Assault
发表于 2025-3-28 18:04:33
The Big Surprise: High-Temperature Superconductivity,grain boundary is used in SQUIDs. The intrinsic Josephson effect in small multi-layer crystals is explored as a source of terahertz radiation. Major events were the discovery of superconductivity in MgB. in 2001 and in iron-pnictides in 2008.
Accessible
发表于 2025-3-28 22:47:00
Nanostructures: Superlattices, Quantum Wires, and Quantum Dots,e the concentration of charge carriers can be varied strongly by means of an attached gate electrode. Quantum dots find increasing use in optoelectronics. Topological insulators show surprising current-carrying edge or surface states.
modest
发表于 2025-3-29 02:51:36
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厌烦
发表于 2025-3-29 06:04:29
Kathrin Brockmann,Eva Strickmanntheory, the BCS theory, explains superconductivity in terms of a macroscopic quantum state formed by pairs of electrons (Cooper pairs) attracted to each other because of their interaction with phonons. The motion of the magnetic flux quanta, caused by the Lorentz force, represents the mechanism limiting the current flowing without resistance.
启发
发表于 2025-3-29 08:09:59
The Winner: Superconductors,theory, the BCS theory, explains superconductivity in terms of a macroscopic quantum state formed by pairs of electrons (Cooper pairs) attracted to each other because of their interaction with phonons. The motion of the magnetic flux quanta, caused by the Lorentz force, represents the mechanism limiting the current flowing without resistance.
暖昧关系
发表于 2025-3-29 13:45:37
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Longitude
发表于 2025-3-29 15:57:20
Well Ordered Lattice Structures in Crystals,lection at a mirror plane, and inversion at a point result in the 32 crystallographic point groups. The diffraction of X-rays by a crystal, initiated in 1912 by Max von Laue, represented the first experimental proof of the regular lattice structure of a crystal. The elements of diffraction theory, i