originality 发表于 2025-3-23 11:53:24
Nanostructures: Superlattices, Quantum Wires, and Quantum Dots,ices and Bloch oscillations, we turn to the Landauer transmission channels and the quantized conductance of quantum wires. The fullerenes are carbon molecules consisting of different distinct numbers of carbon atoms. Their outgrowth in form of carbon nanotubes represents a promising structure for mo巫婆 发表于 2025-3-23 17:01:37
Defects in the Crystal Lattice: Useful or Harmful?, vacancies. Other examples of defects are color centers in ionic crystals and radiation damage in nuclear reactors. Understanding the role of dislocations in the mechanical properties of materials represented a great advance. Today, nondestructive materials testing has developed into an important fi僵硬 发表于 2025-3-23 19:15:03
Permanent Movement in the Crystal Lattice,st by Albert Einstein, the energy spectrum of the phonons is given by Planck’s radiation law, resulting in a distinct deviation from the classic law of Dulong and Petit. Subsequently, the Einstein model, based on a single phonon frequency, was extended by Peter Debye by including the complete phonon spectrum.esoteric 发表于 2025-3-24 01:04:44
,Electric Conductor or Insulator?—Energy Bands,y forbidden energy gaps. The approximations with bound electrons (F. Bloch) and with nearly-free electrons (R. Peierls) are discussed. Depending on how the energy states within the bands are occupied by electrons, we deal with electrical conductors, semiconductors, or insulators.synchronous 发表于 2025-3-24 02:47:32
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https://doi.org/10.1007/978-3-030-31420-0Meissner-Ochsenfeld Effect; Josephson Effect; Josephson Electronics; High-Tempeature Superconductors; ToEngulf 发表于 2025-3-24 18:02:36
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https://doi.org/10.1057/9781137443212lection 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