notion
发表于 2025-3-28 17:55:57
Less Can Be More: Semiconductors, discussed. After its invention in 1947, the transistor underwent many evolutionary stages during its miniaturization. Our discussion includes photovoltaics, the light-emitting diode (LED), and the semiconductor laser.
POLYP
发表于 2025-3-28 22:49:46
Circling Electrons in High Magnetic Fields,scillations yield information about the extreme cross-sections of the Fermi surface perpendicular to the magnetic field direction. The de Haas–van Alphen effect is discussed. In the restricted geometry of a two-dimensional electron gas, new quantum effects appear, such as the integer and the fractional quantum Hall effect.
STRIA
发表于 2025-3-29 02:57:29
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.
Missile
发表于 2025-3-29 03:40:29
Spectacular Advances,ns of mechanical scanning techniques, and scanning electron and laser microscopy became available. Material fatigue, radiation damage, and the preparation of single crystals developed into important subjects. The invention of the transistor represented perhaps the ultimate highlight.
CBC471
发表于 2025-3-29 08:03:18
Well Ordered Lattice Structures in Crystals,in 1912 by Max von Laue, represented the first experimental proof of the regular lattice structure of a crystal. The elements of diffraction theory, including the reciprocal lattice and Brillouin zones, are explained. The chapter ends with a discussion of quasi-crystals and the different types of bonding.
档案
发表于 2025-3-29 13:00:46
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缓和
发表于 2025-3-29 18:15:01
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disciplined
发表于 2025-3-29 21:25:52
Textbook 20193rd editionions, including an up-to-date discussion of topological materials, a rapidly developing area at the forefront of solid-state physics. Primarily concentrating on the electric and magnetic properties of materials, the book will benefit undergraduate students in the fields of physics, materials science, and electrical engineering..
激怒
发表于 2025-3-30 03:21:36
The New Grotesque in Jess Walter’s 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.