| 单词 | crystal lattice |
| 例句 | Although it is chemically still silica, the crystal lattices are more tightly packed and therefore denser. Alpine rock reveals dynamics of plate movements in Earth's interior 2023-10-27T04:00:00Z After growth, electron irradiation detaches individual carbon atoms from the diamond's perfect crystal lattice. A miniature magnetic resonance imager made of diamond 2023-10-19T04:00:00Z And the bandgap -- an energy index influencing the total electrical properties of intrinsic semiconductors -- of the CsPbX3 crystal lattice remained unchanged after deformation, indicating that the electronic structure of the material was unaffected, he added. Successful morphing of inorganic perovskites without damaging their functional properties 2023-10-05T04:00:00Z Physicist Charles D. Brown II shares how his light-based version of graphene lets him study how particles behave in a crystal lattice. Answering Questions about Boring Numbers, Disasters, Fusion, and More 2023-06-01T04:00:00Z Individually each layer is a periodic crystal lattice, in which the underlying molecules are arranged in a repeating pattern. Engineered Metamaterials Can Trick Light and Sound into Mind-Bending Behavior 2022-11-18T05:00:00Z Colored diamonds get their color from structural defects of the crystal lattice and the inclusion of minute quantities of graphite and other materials. College Physics for AP Courses 2015-08-12T00:00:00Z Let us begin our investigation of crystal lattice structure and unit cells with the most straightforward structure and the most basic unit cell. Chemistry 2019-02-14T00:00:00Z They found that under compression, there were continuous slips of partial dislocations on multiple slip systems in the CsPbX3 crystal lattice. Successful morphing of inorganic perovskites without damaging their functional properties 2023-10-05T04:00:00Z This also happens to be the nucleus of a helium atom; helium gas may get trapped in the crystal lattice of a mineral in which alpha decay has taken place. An Introduction to Geology 2017-01-01T00:00:00Z The emerging light-matter interactions are controlled by the twisted symmetry of the crystal lattice, enabling a large rotation of the incoming light polarization over a broad range of wavelengths. Engineered Metamaterials Can Trick Light and Sound into Mind-Bending Behavior 2022-11-18T05:00:00Z The speed of light depends strongly on the type of material, since its interaction with different atoms, crystal lattices, and other substructures varies. College Physics for AP Courses 2015-08-12T00:00:00Z In an NV, a nitrogen atom replaces a carbon atom in the crystal lattice and creates an adjacent, empty site that collects a pair of electrons that can serve as qubit. To crack the mystery of dark matter, physicists turn to supersensitive quantum sensors 2022-04-27T04:00:00Z After its turbulent start, the top few meters of a magnetar would cool enough—still millions of degrees kelvin—to freeze into a crystal lattice of neutrons, electrons, and atomic nuclei. Nature’s most magnetic objects, ripped apart in starquakes, can unleash powerful flashes of light 2021-04-08T04:00:00Z As water solidifies into ice, the molecules must move apart in order to fit into the crystal lattice, causing water to expand and become less dense as it freezes. An Introduction to Geology 2017-01-01T00:00:00Z 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 Until he published his findings, solids were thought to exist as a result of attractive interactions between molecules: the regular arrangement of atoms in a crystal lattice is the configuration that minimizes their energy. Berni Alder (1925–2020) 2020-10-07T04:00:00Z In a 3D crystal, the spacing of the furrows and the gap energies depend on the direction of the wave’s motion with respect to the axes of the crystal lattice. Elusive photonic crystals come a step closer 2020-09-22T04:00:00Z To create the superposition, they would beam microwaves at a single electron bound to a manufactured flaw in the diamond’s crystal lattice of carbon atoms. Tiny Gravitational-Wave Detector Could Search Anywhere in the Sky 2020-06-30T04:00:00Z The water molecules use polarity and hydrogen bonds to pry ions away from the crystal lattice. An Introduction to Geology 2017-01-01T00:00:00Z These engineered crystal lattices transport sound in highly unusual, nonreciprocal ways, reminiscent of how electrons travel with unique features in topological insulators. Engineered Metamaterials Can Trick Light and Sound into Mind-Bending Behavior 2022-11-18T05:00:00Z The microscope relies on minuscule defects in diamond created when a nitrogen atom knocks two carbons out of the crystal lattice; the impurities exist in nature, but can also be manufactured. Diamond microscope reveals slow crawl of Earth’s ancient crust 2020-04-22T04:00:00Z Now researchers have revealed a surprising ordering of the gaps found in their crystal lattices. Daily briefing: How to write a top-notch paper 2020-02-13T05:00:00Z The defect arises when a nitrogen atom replaces a carbon atom in the gem’s crystalline structure, leaving a vacancy in the crystal lattice adjacent to the nitrogen atom. The Quantum Internet Is Emerging, One Experiment at a Time 2019-06-19T04:00:00Z In one reaction, water molecules ionize into positively charged H+ and OH− ions and replace mineral cations in the crystal lattice. An Introduction to Geology 2017-01-01T00:00:00Z Intriguingly, they observed that the thin film of bismuth ferrite undergoes an unexpected phase transition to form a different crystal lattice. How to make the thinnest possible free-standing sheets of perovskite materials 2019-06-04T04:00:00Z The centres of mass remain localized at well-defined and ordered positions in the crystal lattice, but the rotation leads to orientational disorder. Refrigeration based on plastic crystals 2019-03-26T04:00:00Z These include small and large inclusions of other elements in the crystal, physical deformation of the crystal lattice, radiation, or a combination of causes. How Diamonds Gain Color 2019-03-25T04:00:00Z The energies of electrons depend on the specific nature and arrangement of atoms in the crystal lattice, and this is often more complicated in real materials than in idealized models. How 2D semiconductors could extend Moore’s law 2019-03-11T04:00:00Z At high temperatures, atoms may vibrate so vigorously they jump from one position to another within the crystal lattice, which remains intact. An Introduction to Geology 2017-01-01T00:00:00Z Such sliding occurs as a result of defects known as dislocations moving through the crystal lattice. Atomic-scale hardening mechanisms apply on larger scales in ‘architected’ materials 2019-01-15T05:00:00Z Together, the electrons flow back and forth, alternately attracted to the positive ions that make up the crystal lattice and repelled by each other when they get too close to each other. David Pines (1924–2018) 2018-08-19T04:00:00Z Figure 1 | Observed and predicted phases of tellurium. a, The element tellurium ordinarily forms a crystal structure consisting of atomic chains that spiral along one of the axes of the crystal lattice. Two-dimensional tellurium The process, called doping, allows the crystal lattice of silicon to carry more charges, making silicon a much more useful and efficient semiconductor. Elias Burstein, Pioneer in Semiconductors, Dies at 99 2017-06-25T04:00:00Z Some of these electrons get trapped in the crystal lattice of silicate minerals like quartz. An Introduction to Geology 2017-01-01T00:00:00Z Figure 1 | Two hardening mechanisms in polycrystalline materials. a, The smallest repeating unit of a crystal lattice is called a unit cell. Atomic-scale hardening mechanisms apply on larger scales in ‘architected’ materials 2019-01-15T05:00:00Z In the ocean, methane bubbles up from deep seeps, where it is often stored in icelike crystal lattices of water called hydrates. Is methane slowing global warming in the Arctic? 2017-05-08T04:00:00Z The intention was to pack the atoms of hydrogen so close together that they formed a crystal lattice and started to share their electrons - behaviour that is exactly that of a metal. Claim made for hydrogen 'wonder material' - BBC News 2017-01-27T05:00:00Z The team started with a theoretical model of a material: an infinite 2D crystal lattice of atoms. Paradox at the heart of mathematics makes physics problem unanswerable 2015-12-08T05:00:00Z Fission Track: Fission track dating relies on damage to the crystal lattice produced when unstable 238U decays to the daughter product 234Th and releases an alpha particle. An Introduction to Geology 2017-01-01T00:00:00Z The resulting ‘architected’ materials contain substructures that are designed to mimic atomic arrangements in crystal lattices. Atomic-scale hardening mechanisms apply on larger scales in ‘architected’ materials 2019-01-15T05:00:00Z 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 Some suggest nitrogen atoms trapped in the crystal lattices of diamonds. A little bit, better 2015-06-18T04:00:00Z If this liquid rock cools quickly enough, it hardens into a solid—impact glass—before the atoms have time to organize themselves into a neat crystal lattice. Exotic Glass Could Help Unravel Mysteries of Mars 2015-06-12T04:00:00Z These two decay products move in opposite directions from each other through the crystal lattice leaving a visible track of damage. An Introduction to Geology 2017-01-01T00:00:00Z So for the past century, physicists have relied on X-ray crystallography, in which they fire a beam of X-rays through a crystal lattice of identical molecules and record the resulting 'diffraction pattern' of scattered X-rays. X-ray science: The big guns 2014-01-29T18:50:58.094Z In the same way that metamaterials steer light around objects to hide them, they might also steer electrons through crystal lattices with zero resistance, say physicists. Physics Week in Review: November 23, 2013 2013-11-24T12:45:05.920Z Diamond stores qubits in the electron states of impurities in its carbon crystal lattice. Nanothermometer Takes the Temperature of Living Cells 2013-08-01T16:45:00.740Z The performance employs juggling, clowning, and a big dance number—representing the crystal lattices that he studies with atomic microscopy. Dance Your PhD: And The Winner Is... 2012-10-15T06:19:42Z When packed closely with identically shaped particles, the majority of those polyhedrons assembled into a crystal lattice or a crystallike arrangement, the simulations showed. Facet-Lift: Self-Assembling Nanoparticles May Provide Key to New Materials 2012-08-01T10:15:03.960Z The key effect lies in the atomic-scale details of the material—in this case iron and gadolinium—placed on alternating sites in a regular pattern called a crystal lattice. Hot Idea for a Faster Hard Drive 2012-02-07T17:29:10Z To entangle relatively large objects, Walmsley and his colleagues harnessed a collective property of diamonds: the vibrational state of their crystal lattices. Quantum Entanglement Links Two Diamonds 2011-12-01T23:45:00.210Z A metallic glass is an alloy that's been heated up and then cooled down so quickly that it doesn't have a chance to form a crystal lattice. Caltech Researchers Develop Cheap Process for Metallic Glass 2011-05-15T19:21:58Z When a neutron hits metal, it displaces atoms within the crystal lattice. Observatory: For Nuclear Reactors, Metals That Heal Themselves 2010-04-06T00:06:00Z I peered through this crystal lattice into the darkness beyond. A Mountain Boyhood Now in crystallography there are only thirty-two possible classes of crystal lattice construction. Highways in Hiding Wave propagation in periodic structures; electric filters & crystal lattices. U.S. Copyright Renewals, 1974 January - June A metallic glass is an alloy that’s been heated up and then cooled down so quickly that it doesn’t have a chance to form a crystal lattice. Caltech Researchers Develop Cheap Process for Metallic Glass 2011-05-15T19:21:58Z The atoms in the crystal lattice of the tungsten appeared on the fluorescent screen as points of light, arranged in geometric pattern. Autobiography of a Yogi We have no real control over the arrangement of atoms in a crystal lattice. Highways in Hiding |
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