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Introduction to Modern Solid State Physics - Galperin Y.M.

 
Название: Introduction to Modern Solid State Physics
Автор: Galperin Y.M.
Категория: Физика
Тип: Книга
Дата: 21.10.2008 21:39:24
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Описание: In this Chapter the general static properties of crystals, as well as possibilities to observe crystal structures, are reviewed. We emphasize basic principles of the crystal structure description. More detailed information can be obtained, e.g., from the books [1, 4, 5]. 1.1 Periodicity: Crystal Structures Most of solid materials possess crystalline structure that means spatial periodicity or translation symmetry. All the lattice can be obtained by repetition of a building block called basis. We assume that there are 3 non-coplanar vectors ai, a2, and ag that leave all the properties of the crystal unchanged after the shift as a whole by any of those vectors. As a result, any lattice point R' could be obtained from another point R as R' = R + m-iai + m2a2 + maaa
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