| 单词 | superconductivity |
| 例句 | This is a key feature of superconductivity, validates some of the previous observations and provides new information and perspectives on the physics of K3C60 thin films. Photo-induced superconductivity on a chip 2023-11-13T05:00:00Z Let’s pause here for a quick primer on superconductivity. Column: How a scientific 'breakthrough' fell apart amid allegations of plagiarism and fakery 2023-11-10T05:00:00Z On paper, the researchers calculated that this chemical swap should shift the electrons' flat band to zero energy -- a state that automatically leads to superconductivity. Physicists trap electrons in a 3D crystal 2023-11-08T05:00:00Z For decades, researchers have been developing new materials with the dream of finding one that exhibits superconductivity without any refrigeration. Nature Retracts Controversial Room-Temperature Superconductor Study 2023-11-08T05:00:00Z Under that condition, if even a single photon strikes a pixel, it destroys the superconductivity. Highest-resolution single-photon superconducting camera 2023-10-25T04:00:00Z The optical manipulation of materials to produce superconductivity at high temperatures is a key research focus of the MPSD. Photo-induced superconductivity on a chip 2023-11-13T05:00:00Z Some researchers, commenting anonymously, pointed to indications that the data in the paper appeared to be presented inaccurately and that, even if they were genuine, they didn’t show superconductivity. Column: How a scientific 'breakthrough' fell apart amid allegations of plagiarism and fakery 2023-11-10T05:00:00Z Then, exotic behavior such as superconductivity and unique forms of magnetism may emerge. Physicists trap electrons in a 3D crystal 2023-11-08T05:00:00Z “I do not think it will affect the funding for superconductivity research other than more careful reviews, which is not necessarily bad,” he says. Nature Retracts Controversial Room-Temperature Superconductor Study 2023-11-08T05:00:00Z His research into DNA frameworks has explored a range of characteristics and applications, from mechanical properties to superconductivity. Strength is in this glass's DNA 2023-09-27T04:00:00Z After travelling through the solid at around half the speed of light, the current pulse reached another switch which served as a detector to reveal important information, such as the characteristic electrical signatures of superconductivity. Photo-induced superconductivity on a chip 2023-11-13T05:00:00Z A paper published in Nature in May by a team of Chinese physicists re-created Dias’ compound and reported the “absence of near-ambient superconductivity” in the material, flatly contradicting Dias’ claim. Column: How a scientific 'breakthrough' fell apart amid allegations of plagiarism and fakery 2023-11-10T05:00:00Z Background subtraction is sometimes done in high-pressure superconductivity studies, but the practice is controversial because it can give the false appearance of zero resistance. Another retraction looms for embattled physicist behind blockbuster superconductivity claims 2023-09-27T04:00:00Z “Actually, it seems more easy to get funding for the research of superconductivity since some government officials seem to be influenced by the expectation of a room-temperature superconductor,” he says. Nature Retracts Controversial Room-Temperature Superconductor Study 2023-11-08T05:00:00Z A good example is superconductivity in a metal, which is described by quantum field theory. Bizarre Quantum Theory Explains Why Your Coffee Takes So Long to Drip through a Narrow Filter 2023-09-25T04:00:00Z Last year, Nature retracted a 2020 paper by Dias and colleagues that claimed evidence for superconductivity at near–room temperature in a mixture of carbon, sulfur, and hydrogen. RSV vaccine, scientific advisory panels, and a biodiversity hot spot at risk 2023-08-23T04:00:00Z This case is merely a pothole in the quest for room-temperature, commercially practical superconductivity, which will continue. Column: How a scientific 'breakthrough' fell apart amid allegations of plagiarism and fakery 2023-11-10T05:00:00Z They also argued that another key piece of data presented as evidence of superconductivity, the heat capacity of the sample, was a “flawed measurement.” Another retraction looms for embattled physicist behind blockbuster superconductivity claims 2023-09-27T04:00:00Z The retracted paper did not involve superconductivity, but it added to accusations against Dr. Dias of research misconduct, including the fabrication and falsification of data. Superconductor Scientist Faces Investigation as a Paper Is Retracted 2023-08-15T04:00:00Z Though not a guarantee of superconductivity, the image indicates the material is displaying at least one promising, tell-tale sign of it. Energy breakthrough or resistance letdown? Here's what's so super about superconductors 2023-08-10T04:00:00Z The scientists who study superconductivity and solid state physics have been quieter. LK-99 Is the Superconductor of the Summer 2023-08-03T04:00:00Z One is the effectiveness of science’s self-corrective process: Researchers into superconductivity raised questions about the Dias paper starting almost immediately after its publication. Column: How a scientific 'breakthrough' fell apart amid allegations of plagiarism and fakery 2023-11-10T05:00:00Z These materials were literally and figuratively electrifying, sparking a jolt of enthusiasm among scientists and the public about the possibilities of warmer superconductivity. Viral New Superconductivity Claims Leave Many Scientists Skeptical 2023-07-27T04:00:00Z On the same day Onnes discovered both the phase transition to a state of superconductivity in mercury and the phase transition to the state of superfluidity in helium. The Most Surprising Discoveries in Physics 2023-07-27T04:00:00Z By the end of July, two independent research teams were unable to replicate LK-99's superconductivity, and more question have risen since. Energy breakthrough or resistance letdown? Here's what's so super about superconductors 2023-08-10T04:00:00Z “It is too soon to conclude anything about superconductivity,” said Sankar Das Sarma, director of the Condensed Matter Theory Center at the University of Maryland. LK-99 Is the Superconductor of the Summer 2023-08-03T04:00:00Z In it, he denies any misconduct and makes clear his commitment to room-temperature superconductivity research. Controversial Physicist Faces Mounting Accusations of Scientific Misconduct 2023-07-26T04:00:00Z Extraordinary claims that did not survive scrutiny have long plagued the field of superconductivity. Viral New Superconductivity Claims Leave Many Scientists Skeptical 2023-07-27T04:00:00Z The retracted paper does not involve superconductivity but rather describes how a relatively mundane material, manganese sulfide, shifts its behavior from an insulator to a metal and then back to an insulator under increasing pressure. A Looming Retraction Casts a Shadow Over a Field of Physics 2023-07-26T04:00:00Z The claim was met with skepticism because several scientific controversies have swirled around Dr. Dias, and other scientists trying to replicate the results had failed to detect any signs of superconductivity. New Study Bolsters Room-Temperature Superconductor Claim 2023-06-23T04:00:00Z “I’m not describing superconductivity in these calculations, for sure,” she said. LK-99 Is the Superconductor of the Summer 2023-08-03T04:00:00Z PRL’s decision follows allegations that Dias plagiarized substantial portions of his PhD thesis and a separate retraction of one of Dias’s papers on room-temperature superconductivity by Nature last September. Controversial Physicist Faces Mounting Accusations of Scientific Misconduct 2023-07-26T04:00:00Z All of this means that strong skepticism is the default for new reports of room-temperature superconductivity—especially ones that are as yet largely unvetted by peer review. Viral New Superconductivity Claims Leave Many Scientists Skeptical 2023-07-27T04:00:00Z “There really does look like there’s high-pressure, near-room-temperature superconductivity,” the reviewer said. A Looming Retraction Casts a Shadow Over a Field of Physics 2023-07-26T04:00:00Z But, she added, “It’s really unclear whether this is an indication of superconductivity or simply that he has found some interesting electronic transmission of some type.” New Study Bolsters Room-Temperature Superconductor Claim 2023-06-23T04:00:00Z That in turn appeared to shift the electronic structure to one that could be conducive to superconductivity. LK-99 Is the Superconductor of the Summer 2023-08-03T04:00:00Z Many physicists regarded the claim warily because 6 months earlier, Nature had retracted a separate room-temperature superconductivity claim from Dias’s group, amid allegations of data manipulation. Plagiarism allegations pursue physicist behind stunning superconductivity claims 2023-04-12T04:00:00Z Electrons syncing up inside a metal give rise to superconductivity at low temperatures, for instance, and—physicists speculate—high-temperature superconductivity, exotic fractional electron materials, and more. Quantum Light Could Probe Chemical Reactions in Real Time 2023-03-16T04:00:00Z In the 1980s researchers found superconductivity in a category of materials called cuprates, which work at higher temperatures yet still require cooling with liquid nitrogen. Controversy Surrounds Blockbuster Superconductivity Claim 2023-03-10T05:00:00Z However, Dr. Boeri said that while other hydrides fit with the standard theory of superconductivity, Dr. Dias’s substance does not. New Study Bolsters Room-Temperature Superconductor Claim 2023-06-23T04:00:00Z The features could facilitate strong interactions between a lot of electrons, which could give rise to superconductivity — but not always. LK-99 Is the Superconductor of the Summer 2023-08-03T04:00:00Z In the meantime, several research groups have failed to replicate Dias’s latest superconductivity claim. Plagiarism allegations pursue physicist behind stunning superconductivity claims 2023-04-12T04:00:00Z Others found fault with the way the U of R group measured the material’s magnetic behavior, a key signature of superconductivity. ‘Revolutionary’ blue crystal resurrects hope of room temperature superconductivity 2023-03-08T05:00:00Z The authors, he notes, used multiple tests of superconductivity, which provided an “extraordinary richness of data.” Controversy Surrounds Blockbuster Superconductivity Claim 2023-03-10T05:00:00Z The standard theory explaining superconductivity predicts that hydrogen should be a superconductor at higher temperatures if it could be squeezed hard enough. A Room-Temperature Superconductor Discovery Aims to Overcome Resistance 2023-03-08T05:00:00Z By the 1970s, researchers had created superconductivity conditions in elements at about minus-424 degrees. K. Alexander Müller, Nobel laureate and superconductor trailblazer, dies at 95 2023-01-19T05:00:00Z Faith in the result may be diminishing, but interest in room-temperature superconductivity remains hot. Plagiarism allegations pursue physicist behind stunning superconductivity claims 2023-04-12T04:00:00Z In the conventional theory of superconductivity, vibrations in a material’s crystalline lattice act as glue between pairs of electrons, enabling them to conduct without resistance. ‘Revolutionary’ blue crystal resurrects hope of room temperature superconductivity 2023-03-08T05:00:00Z Given the past controversies, Dias and Salamat took pains to test the new material thoroughly for their new paper, performing three different categories of experiments that suggest superconductivity had occurred. Controversy Surrounds Blockbuster Superconductivity Claim 2023-03-10T05:00:00Z Notably, Dr. Hirsch has been saying that there cannot be superconductivity in any of these high-pressure materials because hydrogen cannot be a superconductor. A Room-Temperature Superconductor Discovery Aims to Overcome Resistance 2023-03-08T05:00:00Z “Nobody expected to find superconductivity in such compounds.” K. Alexander Müller, Nobel laureate and superconductor trailblazer, dies at 95 2023-01-19T05:00:00Z “Nobody expected to find superconductivity in such compounds,” he said. K. Alex Müller, Innovator in Ceramic Superconductors, Dies at 95 2023-01-18T05:00:00Z But Dias speculates it “provides the stability for superconductivity to occur at lower pressure.” ‘Revolutionary’ blue crystal resurrects hope of room temperature superconductivity 2023-03-08T05:00:00Z It could point to alternate theories for how superconductivity arises in hydride materials. Controversy Surrounds Blockbuster Superconductivity Claim 2023-03-10T05:00:00Z “It underlies chemistry, it underlies superconductivity, it’s a very fundamental fact.” Quantum Particles Aren’t Spinning. So Where Does Their Spin Come From? 2022-11-22T05:00:00Z For a specific twist angle between the crystal lattices, light is forced to travel in just one specific direction, without expanding in circular ripples—the analogue of superconductivity for photons. Engineered Metamaterials Can Trick Light and Sound into Mind-Bending Behavior 2022-11-18T05:00:00Z On Monday Nature retracted the study, citing data issues other scientists have raised over the past 2 years that have undermined confidence in one of two key signs of superconductivity Dias’s team had claimed. ‘Something is seriously wrong’: Room-temperature superconductivity study retracted 2022-09-26T04:00:00Z Has the quest for room temperature superconductivity finally succeeded? ‘Revolutionary’ blue crystal resurrects hope of room temperature superconductivity 2023-03-08T05:00:00Z But a reluctance to trust results until they are replicated is not unusual in the field of superconductivity. Controversy Surrounds Blockbuster Superconductivity Claim 2023-03-10T05:00:00Z Understanding how they work may help make them more practical or may result in surprises as unexpected as the discovery of superconductivity itself. College Physics for AP Courses 2015-08-12T00:00:00Z Any phonons would slightly warm the tungsten, reducing its superconductivity and leading to a noticeable spike in its resistance. To crack the mystery of dark matter, physicists turn to supersensitive quantum sensors 2022-04-27T04:00:00Z Adding other elements to the hydrogen—creating a hydride structure—can increase the “chemical pressure,” reducing the need for external pressure and making superconductivity reachable in small laboratory vises called diamond anvil cells. ‘Something is seriously wrong’: Room-temperature superconductivity study retracted 2022-09-26T04:00:00Z I began as a condensed-matter theorist investigating materials’ quantum-mechanical behavior, such as superconductivity; at the time I was oblivious to how that would eventually lead me to quantum computation. How to Fix Quantum Computing Bugs 2022-04-19T04:00:00Z A debate over claims of room temperature superconductivity has now boiled over into the realm of scientific publishing. Preprint server removes ‘inflammatory’ papers in superconductor controversy 2022-03-14T04:00:00Z Furthermore, Dias notes that Hirsch has for years pushed his own theory of superconductivity, which departs from the accepted understanding of the phenomenon. Criticism of room temperature superconductor ‘temporarily removed’ from journal 2021-11-16T05:00:00Z He asserts that Hirsch isn’t an expert in high-pressure physics and that he has a history of claiming that the Nobel Prize–winning “BCS theory” underlying superconductivity is incorrect. Breakthrough or bust? Claim of room-temperature superconductivity draws fire 2021-10-21T04:00:00Z Hirsch, a firebrand who has criticized other hydride superconductivity claims, has made stronger accusations. ‘Something is seriously wrong’: Room-temperature superconductivity study retracted 2022-09-26T04:00:00Z My experience with superconductivity was suddenly in demand. How to Fix Quantum Computing Bugs 2022-04-19T04:00:00Z “I’m old fashioned,” says Paul Chu, a physicist at the University of Houston and a veteran of battles over superconductivity in the cuprates. Thanks to a bit of diamond smashing, practical superconductivity could be close to reality 2021-08-26T04:00:00Z So, it’s likely the saga surrounding room-temperature superconductivity will play on. Criticism of room temperature superconductor ‘temporarily removed’ from journal 2021-11-16T05:00:00Z Hirsch, meanwhile, is mounting a broader attack: on claims for superconductivity in any hydride. Breakthrough or bust? Claim of room-temperature superconductivity draws fire 2021-10-21T04:00:00Z He also noted suspicious similarities to data in a 2009 Physical Review Letters paper on superconductivity in europium under high pressures. ‘Something is seriously wrong’: Room-temperature superconductivity study retracted 2022-09-26T04:00:00Z The electronic “flatlands” that these measurements uncovered are promising test beds for theories of superconductivity, says Nandini Trivedi, a physicist at the Ohio State University, who was not involved with the work. Electrons Can Form Bizarre 2-D ‘Flatland’ in Superconductor 2021-07-06T04:00:00Z And tiny wires positioned between the diamonds track the material’s electrical resistance, to detect superconductivity’s hallmark sharp plunge to zero. Thanks to a bit of diamond smashing, practical superconductivity could be close to reality 2021-08-26T04:00:00Z The superconductivity laboratory at the University of Rochester, New York.Credit: First room-temperature superconductor excites — and baffles — scientists 2020-10-13T04:00:00Z The result: the first ever evidence of the Meissner effect in hydrides, which the team calls “unambiguous evidence” that superconductivity in hydrides is real. Breakthrough or bust? Claim of room-temperature superconductivity draws fire 2021-10-21T04:00:00Z At conferences this summer, Dias has presented claims of superconductivity in new hydride compounds. ‘Something is seriously wrong’: Room-temperature superconductivity study retracted 2022-09-26T04:00:00Z Despite these remaining issues, there is no doubt that the authors’ work opens the door to a new era of superconductivity research. One-way supercurrent achieved in an electrically polar film 2020-08-18T04:00:00Z That’s why proving superconductivity in hydrides—which show promise for superconductivity at lower pressures—is a much more important challenge. Thanks to a bit of diamond smashing, practical superconductivity could be close to reality 2021-08-26T04:00:00Z The researchers also found some evidence that the crystal expelled its magnetic field at the transition temperature, a crucial test of superconductivity. First room-temperature superconductor excites — and baffles — scientists 2020-10-13T04:00:00Z Only one thing seems certain to emerge from the controversy over room-temperature superconductivity: more heat. Breakthrough or bust? Claim of room-temperature superconductivity draws fire 2021-10-21T04:00:00Z Now, physicists have added another material to this sandwich which stabilises that superconductivity, a result that may complicate physicists’ understanding of magic angles. Graphene’s magic angle reveals a new twist 2020-07-14T04:00:00Z He completed his PhD in the field of superconductivity. Robert May (1936–2020) 2020-05-11T04:00:00Z High-temperature superconductivity has still not been achieved, but many think that RVB theory contains the seeds of how it might be. Philip W. Anderson (1923–2020) 2020-04-30T04:00:00Z May attended Sydney Boys High School and the University of Sydney, where he completed a PhD in superconductivity. Robert May, former UK chief scientist and chaos theory pioneer, dies aged 84 2020-04-29T04:00:00Z During the 1960s and ’70s, Dr. Anderson explored the theory of superconductivity, in which certain alloys and metals lose all resistance to electrical currents at temperatures near absolute zero. Philip W. Anderson, Nobel Laureate in Physics, Is Dead at 96 2020-03-30T04:00:00Z In the late 1980s experimenters discovered a class of complex materials that contains copper and oxygen and can superconduct at temperatures far above those predicted by the conventional theory of superconductivity. Philip Anderson, legendary theorist whose ideas shaped modern physics, dies 2020-03-30T04:00:00Z A new moon for Neptune, superconductivity near room temperature and the micronutrient richness of global fish catches are among the papers explored in Nature News & Views articles this year. The conceptual mistake that lies at the heart of economics 2019-12-15T05:00:00Z In 1958, Anderson discovered a remarkable parallel between magnetism and superconductivity. Philip W. Anderson (1923–2020) 2020-04-30T04:00:00Z Therefore, the nature of unconventional superconductivity in strontium ruthenate must be considered unresolved. Superconductivity mystery turns 25 2019-12-08T05:00:00Z This seemingly miraculous property, superconductivity, arises directly from quantum mechanics, and underlies many contemporary technologies, such as magnetic resonance imaging body scanners and particle accelerators. J. Robert Schrieffer (1931–2019) 2019-10-07T04:00:00Z In contrast, Anderson expounded the concept of emergence, which stated that as any system grew larger, new phenomena—such as antiferromagnetism and superconductivity—could emerge that could not be predicted from the fundamental interactions. Philip Anderson, legendary theorist whose ideas shaped modern physics, dies 2020-03-30T04:00:00Z However, some theoretical work has suggested that this effect is too small to account for the high-temperature superconductivity of the cuprates. Superconductivity seen in a non-magnetic nickel oxide 2019-08-27T04:00:00Z Anderson realized that there were still-deeper parallels between superconductivity and particle physics. Philip W. Anderson (1923–2020) 2020-04-30T04:00:00Z These systems are thrilling physicists with fundamental insights into some of the quantum world’s most exotic electronic effects, and might one day lead to applications in quantum computing and superconductivity — electricity conducted without resistance. Meet the crystal growers who sparked a revolution in graphene electronics 2019-08-20T04:00:00Z His explanation of how superconductivity works earned him a share of the 1972 Nobel Prize in Physics. J. Robert Schrieffer (1931–2019) 2019-10-07T04:00:00Z He also accidentally discovered superconductivity, the ability of a substance to carry electric current with no resistance. Racing toward Absolute Zero 2019-08-16T04:00:00Z The key to understanding superconductivity in a given material is to identify the mechanism that provides the ‘pairing glue’. Superconductivity seen in a non-magnetic nickel oxide 2019-08-27T04:00:00Z It explained conventional superconductivity as the result of vibrations that cause a material’s electrons, which normally repel each other, to pair up. Milky Way map, arrested biologist and missile-treaty withdrawal 2019-08-06T04:00:00Z And in July, researchers reported signs of superconductivity when three sheets of graphene are stacked atop each other — no twisting needed3. Meet the crystal growers who sparked a revolution in graphene electronics 2019-08-20T04:00:00Z Physicists call this phenomenon noninteracting behavior, and in graphene, it unfortunately preempts the appearance of more fundamental quantum effects such as superconductivity. New Research Reveals how Electrons Interact in Twisted Graphene 2019-07-31T04:00:00Z Because of this lab’s work, YFe2Ge2 is now considered a reference material for investigating superconductivity in compounds with a similar iron structure. Racing toward Absolute Zero 2019-08-16T04:00:00Z Over the past 30 years or so, researchers have looked for superconductivity in other compounds that have planes containing spin-1/2 ions. Superconductivity seen in a non-magnetic nickel oxide 2019-08-27T04:00:00Z Many electrical devices used in medicine and other fields can employ extremely high currents, by use of equipment cooled to temperatures at which superconductivity sets in. John Robert Schrieffer, Nobel laureate who studied superconductivity, dies at 88 2019-07-29T04:00:00Z It is considered the first successful microscopic theory of superconductivity - the ability of certain materials to conduct electricity with practically zero resistance. Nobel Prize-winning physicist Schrieffer dies in Florida 2019-07-27T04:00:00Z But near the electron concentration where superconductivity emerges, we found that the electron energy levels of twisted bilayer graphene suddenly become unexpectedly broad, which is a telltale sign of strong interactions. New Research Reveals how Electrons Interact in Twisted Graphene 2019-07-31T04:00:00Z Supercooling techniques such as the ones used in dilution refrigeration are critical for a wide range of disciplines: gravitational wave research, superconductivity, spintronics, quantum computing and other up-and-coming technologies. Racing toward Absolute Zero 2019-08-16T04:00:00Z It is considered the first successful microscopic theory of superconductivity — the ability of certain materials to conduct electricity with practically zero resistance. Nobel Prize-winning physicist Schrieffer dies in Florida 2019-07-27T04:00:00Z Although the phenomenon of superconductivity had been long known, it continued to mystify scientists. John Robert Schrieffer, Nobel laureate who studied superconductivity, dies at 88 2019-07-29T04:00:00Z When they added three electrons to each cell and dropped the temperature below 2 kelvins, they noticed a sharp drop in electrical resistance, a sign of superconductivity, which they report today in Nature. Trilayer graphene shows signs of superconductivity 2019-07-17T04:00:00Z The story line is the same in superconductivity, as new materials lead to ever more powerful magnets. The "Woodstock of Physics" Is Finally Living Up to Its Promise 2019-07-12T04:00:00Z The common features of these hydrogen sulfide and lanthanum hydride superconductors are that they are rich in hydrogen and that superconductivity emerges only under pressures above about one million times atmospheric pressure. Superconductivity near room temperature 2019-05-21T04:00:00Z At her first ever conference, Dr Pullan was casually overlooked by people who assumed her husband, a mathematician, would be there to discuss the topic of superconductivity. When women experts are not taken seriously 2019-05-20T04:00:00Z “Well,” the usually taciturn Bardeen was said to have declared, “I think we’ve explained superconductivity.” John Robert Schrieffer, Nobel laureate who studied superconductivity, dies at 88 2019-07-29T04:00:00Z They also noticed that when they applied an external magnetic field to their sample, the near-zero electrical resistance vanished, another sign of superconductivity. Trilayer graphene shows signs of superconductivity 2019-07-17T04:00:00Z It was thought that random fluctuations, such as those occurring in low-temperature systems, would prevent order among the atoms and molecules and thereby preclude such phenomena as superconductivity. David Thouless, Nobel-winning physicist who explored strange states of matter, dies at 84 2019-04-13T04:00:00Z The authors overcame these experimental challenges and uncovered crucial evidence that confirms the high-temperature superconductivity in lanthanum hydride compounds. Superconductivity near room temperature 2019-05-21T04:00:00Z And the attraction between electrons that leads to superconductivity in metals arises from the exchange of vibrations in the surrounding crystal lattice2. New interactions seen in an ultracold gas 2019-04-02T04:00:00Z I’m not talking about the science of materials, or high-temperature superconductivity, which is awesome and super important, but that’s not the kind of science I’m doing. Atheism Is Inconsistent with the Scientific Method, Prize-Winning Physicist Says 2019-03-20T04:00:00Z Anderson focused on fascinating properties of matter, such as the metal-insulator transition or superconductivity. The Science of Innovation 2019-03-19T04:00:00Z “Using sweet partner dancing for the Cooper Pairs of shy electrons and aggressive metalheads as the spin impurities, Pramodh was able to create an intuitive visual representation for the nonlocal electrodynamics of superconductivity,” Meade says. The winner of this year’s ‘Dance Your Ph.D.’ contest turned physics into art 2019-02-15T05:00:00Z Drozdov et al. detected the first two of these signatures of superconductivity. Superconductivity near room temperature 2019-05-21T04:00:00Z In many of these, electric current runs without resistance at temperatures well above what the conventional theory of superconductivity generally allows. How ‘magic angle’ graphene is stirring up physics 2019-01-01T05:00:00Z Such a drop is the hallmark of a phase transition to superconductivity that occurs when the material is cooled below a threshold temperature. First hint of near-room-temperature superconductor tantalizes physicists 2018-12-18T05:00:00Z Here’s how it works: The key insight in all these applications, from superconductivity to financial markets, is to start with a model of the underlying system that is just simple enough. The Science of Innovation 2019-03-19T04:00:00Z Whether topological superconductivity is an intrinsic feature of solid-state materials remains an open question. The heat is on for Majorana fermions 2018-07-10T04:00:00Z What is the practical importance of superconductivity in materials synthesized in minuscule quantities at more than one million times atmospheric pressure? Superconductivity near room temperature 2019-05-21T04:00:00Z The MIT experiments showed hints of this unconventional superconductivity. How ‘magic angle’ graphene is stirring up physics 2019-01-01T05:00:00Z Hemley says that in as-yet unpublished follow-up work, his team detected another important sign of superconductivity: the material expelled existing magnetic fields from itself. First hint of near-room-temperature superconductor tantalizes physicists 2018-12-18T05:00:00Z Unfortunately, the superconductivity thereby induced does not last much longer. What Are the Limits of Manipulating Nature? 2018-05-25T04:00:00Z Starting in the 1950s, Feynman ventured into many other areas of theoretical physics: superfluids, superconductivity, gravitation and the constituents of protons and neutrons, which he called partons. Richard Feynman at 100 2018-05-07T04:00:00Z In the next few years, experiments will probably focus on searching for superconductivity in other pressurized hydrogen-rich materials. Superconductivity near room temperature 2019-05-21T04:00:00Z Studying the switch to superconductivity means measuring what happens as more electrons are added to the material. How ‘magic angle’ graphene is stirring up physics 2019-01-01T05:00:00Z “This is just the beginning of a new era of superconductivity,” says Hemley. First hint of near-room-temperature superconductor tantalizes physicists 2018-12-18T05:00:00Z The original incorrectly stated David Hsieh of the California Institute of Technology creates photoinduced superconductivity in a material called a Mott insulator that becomes insulating at very cold temperatures. What Are the Limits of Manipulating Nature? 2018-05-25T04:00:00Z The surest sign of superconductivity is a sudden plunge to zero in electrical resistance when the temperature drops below a critical threshold. Superconducting materials found in meteorites 2018-03-06T05:00:00Z Finally, although graphene shows superconductivity at a very low temperature, it does so with just one-ten-thousandth of the electron density of conventional superconductors that gain the ability at the same temperature. Surprise graphene discovery could unlock secrets of superconductivity 2018-03-04T05:00:00Z So far, there is evidence for both unconventional and conventional superconductivity in graphene. How ‘magic angle’ graphene is stirring up physics 2019-01-01T05:00:00Z Here we report on the realization of intrinsic unconventional superconductivity in a two-dimensional superlattice created by stacking two graphene sheets with a small twist angle. Unconventional superconductivity in magic-angle graphene superlattices 2018-03-04T05:00:00Z Although they have practical applications, versions exhibiting superconductivity at much higher temperatures are widely used. What Are the Limits of Manipulating Nature? 2018-05-25T04:00:00Z To look for superconductivity, Schuller’s team place a small sample within a cavity pumped with microwave radiation. Superconducting materials found in meteorites 2018-03-06T05:00:00Z For example, to explore the root of superconductivity in cuprates, physicists often need to subject the materials to extreme magnetic fields. Surprise graphene discovery could unlock secrets of superconductivity 2018-03-04T05:00:00Z In particular, superconductivity appears when the number of electrons is turned down but not when it is turned up, an asymmetry that is arguably more consistent with a conventional superconductor. How ‘magic angle’ graphene is stirring up physics 2019-01-01T05:00:00Z Their work helps explain why some materials have unexpected electrical properties such as superconductivity, and in future could pave the way for quantum computers. The 2017 Nobel prize in physics - live 2017-10-03T04:00:00Z The quantum critical point, and the strong quantum interactions that can take place around it, can give rise to other exotic states, not just superconductivity. A quantum pioneer unlocks matter’s hidden secrets 2017-09-26T04:00:00Z The pursuit of science for its own sake led to discoveries such as penicillin and superconductivity, and it often created, almost by accident, remarkable benefits for society. What Is Science Good For? 2017-04-21T04:00:00Z “The stunning implication is that cuprate superconductivity was something simple all along. It was just hard to calculate properly,” says Laughlin. Surprise graphene discovery could unlock secrets of superconductivity 2018-03-04T05:00:00Z Google is also working on machines that employ superconductivity, while Microsoft is exploring a form known as topological quantum computing. Quantum computer 'construction plan' drawn up - BBC News 2017-02-01T05:00:00Z It may even be metastable, meaning that like diamond, also formed at high pressures, the metallic hydrogen would maintain its state—and even its superconductivity—once brought back to room temperatures and pressures. Diamond vise turns hydrogen into a metal, potentially ending 80 year quest 2017-01-26T05:00:00Z This flew in the face of convention, which declared that magnetism and superconductivity could never mix. A quantum pioneer unlocks matter’s hidden secrets 2017-09-26T04:00:00Z High-temperature superconductivity was discovered as a phenomenon, with no one knowing the underlying mechanism. Why Vera Rubin Deserved a Nobel 2017-01-04T05:00:00Z Google started working on a form of quantum computing that harnesses superconductivity in 2014. Quantum computers ready to leap out of the lab in 2017 2017-01-02T05:00:00Z The team optimized the system to work at the extremely low temperatures required for superconductivity. Electronics: Quantum bits wired up : Nature : Nature Research 2016-10-25T04:00:00Z Her visionary and methodical approach made it possible to use these ultracold gases as model systems to tease out the quantum principles that lead to behaviours in real materials, such as superconductivity. Deborah S. Jin 1968-2016 : Nature : Nature Research 2016-10-18T04:00:00Z In the past few years, Lonzarich's ideas about the intimate link between superconductivity and magnetism have gained new relevance. A quantum pioneer unlocks matter’s hidden secrets 2017-09-26T04:00:00Z What the three new Laureates did that made them so prize-worthy was, among other things, extend topology and phase changes to the fields of superconductivity and superfluidity. Why 'Exotic Matter' Matters—and Won the Nobel Prize in Physics 2016-10-04T04:00:00Z These include superconductivity — the ability to conduct electricity without resistance — and magnetism in very thin materials. Physics of 2D exotic matter wins Nobel 2016-10-03T04:00:00Z In work that began in the 1970s, they demonstrated that superconductivity - the ability of electrons to whizz through matter with zero resistance - was possible in thin surface layers of materials. British trio win Nobel prize in physics for work on exotic states of matter 2016-10-04T04:00:00Z Jin probed how the exotic superconductivity in these materials reacted to pressure, stress and magnetic fields. Deborah S. Jin 1968-2016 : Nature : Nature Research 2016-10-18T04:00:00Z The group found that stripping a cuprate of its superconductivity with a powerful magnetic field and adding increasing levels of impurities revealed a sharp phase transition — an otherwise hidden quantum critical point8. A quantum pioneer unlocks matter’s hidden secrets 2017-09-26T04:00:00Z In addition he worked on the physics of semiconductors, superconductivity, surface physics and catalysis. Walter Kohn, onetime refugee who became Nobel laureate in chemistry, dies at 93 2016-04-24T04:00:00Z Magnetic and calorimetric measurements at extremely low temperatures and magnetic fields find superconductivity in YbRh2Si2. Emergence of superconductivity in the canonical heavy-electron metal YbRh2Si2 | Science 2016-01-28T05:00:00Z Other materials have produced superconductivity at high temperatures, but the mechanism by which hydrogen sulfide operates has never achieved superconductivity above 40 kelvin. 365 days: Nature’s 10 2015-12-16T05:00:00Z Her research made textbook models a scientific reality, including ideal Fermi gases and the crossover between Bose–Einstein condensation and the Bardeen–Cooper–Schrieffer theory of superconductivity. Deborah S. Jin 1968-2016 : Nature : Nature Research 2016-10-18T04:00:00Z Since the mid-1980s, various theorists had suggested that such magnetically mediated superconductivity could arise, but Lonzarich's team was the first to provide solid experimental proof. A quantum pioneer unlocks matter’s hidden secrets 2017-09-26T04:00:00Z This approach is being gainfully employed solving problems in materials science, superconductivity and quantum computing. The most beautiful theory 2015-11-25T05:00:00Z Magnetic and calorimetric measurements at extremely low temperatures and magnetic fields find superconductivity in YbRh2Si2. Emergence of superconductivity in the canonical heavy-electron metal YbRh2Si2 | Science 2016-01-28T05:00:00Z Xi’s offer to help Chinese colleagues build a world-class lab is a common gesture in international collaborations on superconductivity, which is highly developed in China, Chu says. Feature: Chinese-American scientists in the crosshairs 2015-11-12T05:00:00Z Besides better batteries the other is superconductivity, a phenomenon that removes electrical resistance when certain materials are cooled below a critical temperature. Electrifying flight 2015-09-17T04:00:00Z From the start, one camp thought that magnetic interaction — which can be more resilient to temperature than are interactions caused by distortions in the lattice — might somehow bind electrons together to create superconductivity in cuprates. A quantum pioneer unlocks matter’s hidden secrets 2017-09-26T04:00:00Z Earlier in the case, prosecutors said Xi, an expert in the field of superconductivity, had a decade-long relationship with Chinese government entities and third parties and frequently collaborated with them on research. U.S. seeks to dismiss charges against China-born physicist 2015-09-11T04:00:00Z That is surprising because many scientists assumed that superconductivity at temperatures of more than a few tens of Kelvin required exotic materials that do not exhibit conventional superconductivity. Superconductivity record sparks wave of follow-up physics 2015-08-16T04:00:00Z But it’s far higher than anything ever achieved before and a big step closer to the lofty goal of achieving superconductivity at room temperature. Stinky hydrogen sulfide smashes superconductivity record 2015-08-17T04:00:00Z Once the liquid nitrogen evaporates, the board loses its superconductivity and it’s time to "recharge." I rode the Lexus hoverboard at a skatepark in Spain 2015-08-04T04:00:00Z But the experiments have had an impact well beyond superconductivity. A quantum pioneer unlocks matter’s hidden secrets 2017-09-26T04:00:00Z In the late 1950s, Professor Nambu began investigating superconductivity, the process by which, at very low temperatures, electric current suddenly flows without any resistance. Yoichiro Nambu, Nobel-Winning Physicist, Dies at 94 2015-07-17T04:00:00Z Eremets and his colleagues propose that the superconductivity is likely to originate in the vibrations of the crystal lattice of H3S, which is created when hydrogen sulfide is compressed. Superconductivity record bolstered by magnetic data 2015-06-28T04:00:00Z But even with these discoveries, some physicists still hoped to achieve higher transition temperatures with conventional superconductivity. Stinky hydrogen sulfide smashes superconductivity record 2015-08-17T04:00:00Z It may even result in a better understanding of superconductivity, permitting the invention of a superconductor that works at room temperature. A little bit, better 2015-06-18T04:00:00Z Federal prosecutors said Xi, an expert in the field of superconductivity, had a decade-long relationship with Chinese government entities and third parties and frequently collaborated with them on research. Philadelphia physicist pleads not guilty in China technology transfer 2015-06-05T04:00:00Z Temple University professor Xi Xiaoxing is an expert on superconductivity, which is the ability to conduct electricity without resistance. Physics professor pleads not guilty to giving US secrets to China 2015-06-05T04:00:00Z Bianconi says that many superconductivity researchers were sceptical of the findings when they were presented at a conference of the American Physical Society in San Antonio, Texas, in March. Superconductivity record bolstered by magnetic data 2015-06-28T04:00:00Z Is the incredible pressure really necessary for this kind of superconductivity? Stinky hydrogen sulfide smashes superconductivity record 2015-08-17T04:00:00Z “People like Phil Anderson developed this mechanism for understanding superconductivity. And the guys from high energy saw this kind of solution, and applied it to high energy physics. “That’s where the Higgs actually came from.” New Higgs detection 'closes circle’ 2015-03-03T05:00:00Z Interfaces between different materials — such as magnet–superconductor or oxide–oxide junctions — might exhibit properties such as electrical conductivity, chemical reactivity, superconductivity and ferromagnetism that are not found in their separate constituents. Microscopy: Hasten high resolution 2014-11-25T05:00:00Z Research in superconductivity and other fields was the driving force that put UH on the Tier One playing field it longed to be on. New energy fuels school’s ambitions 2014-11-24T05:00:00Z There is a batch of magnets that performed perfectly in tests above ground, but, for some reason, 'quench' or lose their superconductivity when they reach magnetic fields equivalent to beam energies of just 6.5 TeV. Large Hadron Collider: The big reboot 2014-10-07T04:00:00Z Even so, the discovery is already altering the course of research in superconductivity. Stinky hydrogen sulfide smashes superconductivity record 2015-08-17T04:00:00Z “In the 1960s there were two distinct, basic problems. One was superconductivity and one was the mass of particles,” Prof Frydman explained. New Higgs detection 'closes circle’ 2015-03-03T05:00:00Z Adapting an idea that Philip W. Anderson of Princeton had used to help explain superconductivity, Dr. Higgs suggested that space was filled with an invisible field of energy, a cosmic molasses. A Pioneer as Elusive as His Particle 2014-09-15T04:00:00Z Organized last year, the energy initiative aims to focus resources on the problems UH can address, beginning with superconductivity. New energy fuels school’s ambitions 2014-11-24T05:00:00Z Conversely, the so-called pseudogap, a depression in the density of states around the Fermi level that may or may not be related to superconductivity, gains strength. [Report] Angular Fluctuations of a Multicomponent Order Describe the Pseudogap of YBa2Cu3O6+x 2014-03-20T18:26:13.291Z Such 'molecular movies' will benefit other fields, such as the study of matter at extreme temperatures and pressures, and high-temperature superconductivity. Policy: Crystallography needs a governing body 2014-01-29T18:51:10.458Z Depending on the hole concentration, the charge ordering in this system occurs with the same period as those found in Y-based or La-based cuprates and displays the analogous competition with superconductivity. [Report] Ubiquitous Interplay Between Charge Ordering and High-Temperature Superconductivity in Cuprates 2014-01-23T19:26:11.652Z During this period, for example, physicists first understood the nuclear force that causes radioactivity, and conquered strange phenomena such as superconductivity — both Nobel-prizewinning achievements. History: Shut up and calculate! 2014-01-08T18:21:06.631Z UH essentially closed the loop on superconductivity and brought it all back to Houston. New energy fuels school’s ambitions 2014-11-24T05:00:00Z That changed in February last year, when physicists at Tsinghua University in Beijing reported interface superconductivity at about 80 kelvin — above the temperature of liquid nitrogen. Interface superconductivity found in single crystal 2013-09-25T17:20:25.733Z Strong electron correlations, which cause each valence electron to explicitly affect the response of all other valence electrons in the system, are believed to underlie exotic phenomena such as high-temperature superconductivity. [Perspective] Functional Ion Defects in Transition Metal Oxides 2013-08-22T18:25:51.257Z These results indicate the similarity of charge organization competing with superconductivity across different families of cuprates. [Report] Ubiquitous Interplay Between Charge Ordering and High-Temperature Superconductivity in Cuprates 2014-01-23T19:26:11.652Z Dr. Rohrer and Dr. Binnig, who had both done work in superconductivity and magnetic fields, were initially interested in studying the little-understood and complex atomic structures that make up the surfaces of minerals. Heinrich Rohrer, Physicist Who Won Nobel, Dies at 79 2013-05-22T03:22:41Z Unlike transitions to superconductivity, which happen as temperatures approach absolute zero, the insulating-to-conducting transition typically happens as temperature increases, and sometimes occurs near room temperature. Metal oxide chips show promise 2013-03-06T18:20:29.690Z This does not explain all high-temperature superconductivity, but exploring it further might shed light on mechanisms that do. Interface superconductivity found in single crystal 2013-09-25T17:20:25.733Z This same is true for other collective phenomena like magnetism, superconductivity and superfluidity, as exemplified by the famous Landau theories. What s Wrong with the Brain Activity Map Proposal 2013-03-05T12:45:00.563Z In fact, as the physicist Philip Anderson reminds us, reductionism does not even help us fully understand well-known properties like superconductivity. Why it's hard to explain drug discovery to physicists 2013-03-01T21:45:05.187Z But when Onnes performed the experiment and found superconductivity in a ring consisting of alternating pieces of lead and tin, Einstein sighed: “Yet another glimmer of hope for understanding is dashed.” Newly Published Einstein Writings Show the Prehistory of His Debates with Niels Bohr [Guest Blog] 2013-02-21T17:45:00.450Z I moved to Los Alamos National Laboratory in New Mexico to learn about high-temperature superconductivity. Turning point: Yogesh Joglekar 2013-02-06T18:21:50.893Z Critics say that it is difficult to measure superconductivity along narrow interfaces, let alone inside a crystal. Interface superconductivity found in single crystal 2013-09-25T17:20:25.733Z It is unlikely that we will discover analogs of superconductivity or superfluidity in the brain by measuring every spike from every neuron. What s Wrong with the Brain Activity Map Proposal 2013-03-05T12:45:00.563Z The mastery of the physics is not yet sufficient to enable the construction of a fusion power plant, which requires cutting-edge technologies like superconductivity, high vacuum, and cryogenics. Dot Earth Blog: Exploring whether fusion energy research is still worth the cost comp 2012-10-18T21:24:25Z According to a paper in Advanced Materials, cheap and easily obtainable graphite powder exhibits signs of superconductivity. Warm Currents: Graphite Powder Stirs Up Hints of Room-Temperature Superconductivity 2012-09-17T22:45:00.207Z You did your doctoral research on superconductivity, where electric current flows through a material and the electrons meet almost no resistance, right? A Conversation With Mildred Dresselhaus: Carbon Catalyst for Half a Century 2012-07-02T21:44:49Z It is one of the more counter-intuitive stunts in the repertoire of scientists who study superconductivity. Interface superconductivity found in single crystal 2013-09-25T17:20:25.733Z At first, they found exactly what they predicted: superconductivity stopped as the pressure approached 10 gigapascals. Superconductor Breaks High-Temperature Record 2012-02-22T22:15:22.920Z Give any scientist worth his NaCl a dollop of mercury and a flask of liquid helium and she should be able to demonstrate superconductivity. Cold Fusion: Theory or Fact? 2012-01-21T00:08:55Z View the Quicktime link to what is happening: Magnetic field expulsion Inside each magnetic flux tube superconductivity is locally destroyed. Quantum Levitation-where science videos don't get any cooler! 2011-10-19T15:45:00.203Z I found that the transition was not continuous, that superconductivity was initially enhanced in the presence of magnetic fields, then it would suddenly fall off. A Conversation With Mildred Dresselhaus: Carbon Catalyst for Half a Century 2012-07-02T21:44:49Z But physicists have shown that the stacking effect, called interface superconductivity, can occur at temperatures up to almost 80 kelvin. Interface superconductivity found in single crystal 2013-09-25T17:20:25.733Z "Our theoretical results provide a natural link between the new and old iron-based superconductors, thereby suggesting a universal origin of the superconductivity in these materials." Study Helps Explain Behavior of Superconductors 2011-05-05T19:39:00Z With superconductivity, those tortuous movements are removed; electrons career through a material unimpeded because of the lack of electrical resistance. Super discovery 2011-04-18T11:50:24Z This phenomenon of "superconductivity" was one of the first quantum phenomena to be discovered, although back then quantum theory did not exist. Absolute Hero: Heilke Onnes's Discovery of Superconductors Turns 100 [Slide Show] 2011-04-08T15:15:02.310Z It took nearly half a century before theorists formulated a comprehensive microscopic description of superconductivity. [Introduction to Special Issue] Introduction: Happy 100th, Superconductivity! 2011-04-07T18:25:52.647Z The discovery will rejuvenate work on a family of compounds that first showed high-temperature superconductivity in 2008, but in recent years had seemed to disappoint. Interface superconductivity found in single crystal 2013-09-25T17:20:25.733Z An example is the family of compounds La2-x-yEuySrxCuO4, where a charge and spin stripe order competes with superconductivity. This Week in Science 2011-01-13T19:25:00.650Z In essence, that was the promise of superconductivity a century ago when the phenomenon was first discovered by Dutch physicist Kamerlingh Onnes. Super discovery 2011-04-18T11:50:24Z In subsequent decades theoreticians were able to put quantum physics on a solid foundation and explain superconductivity. Absolute Hero: Heilke Onnes's Discovery of Superconductors Turns 100 [Slide Show] 2011-04-08T15:15:02.310Z Recent experiments in superconductivity, using ceramic instead metal conductors have given us an exciting glimpse into what might be achieved for improving efficiency in the distribution of electric power. The Dawn of Amateur Radio in the U.K. and Greece: a personal view If that is the case, it would be the first time that interface superconductivity has been detected in a stable, stand-alone crystal, instead of at the interface between separate materials that often deteriorate on heating. Interface superconductivity found in single crystal 2013-09-25T17:20:25.733Z If correct, the result would show that interface superconductivity is consistent with a mechanism first advanced in 1973, which helps to explain low-temperature superconductivity. Interface superconductivity found in single crystal 2013-09-25T17:20:25.733Z If the superconductivity was related to interfaces, Paglione says, he would not expect it to disappear when the doping is reduced — which it does. Interface superconductivity found in single crystal 2013-09-25T17:20:25.733Z He says that the superconductivity might not be an interface effect; instead, it could be attributable to a structural change inherent to the arsenic-depleted regions. Interface superconductivity found in single crystal 2013-09-25T17:20:25.733Z Instead, Paglione suggests that strain in certain regions of the crystal enhances superconductivity. Interface superconductivity found in single crystal 2013-09-25T17:20:25.733Z |
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