Reviews of topical problems

Deformation effects in layer crystals

A unit cell of a layer crystal may contain several layers and the atoms in these layers may interact with one another in different ways. The dependences of the forces of the interaction between the atoms on the distances separating them are also different. The deformation effects in crystals of this kind are unusual. This review reports experimental results obtained in studies of vibrational and electronic spectra of graphite and of layer semiconductors (mainly III--VI compounds) under conditions of elastic deformation at various temperatures. An analysis is made of the results of experimental investigations of thermal expansion of layer crystals. In each case a discussion is given of models which, on the whole, can provide a satisfactory explanation of the nature of the characteristic features of the observed effects.

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Fulltext is also available at DOI: 10.1070/PU1988v031n05ABEH003546
PACS: 62.20.Fe, 62.20.Dc, 65.40.De, 63.20.−e, 61.66.Fn, 71.20.Nr (all)
DOI: 10.1070/PU1988v031n05ABEH003546
Citation: Belen’kii G L, Salaev E Yu, Suleimanov R A "Deformation effects in layer crystals" Sov. Phys. Usp. 31 434–455 (1988)
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Оригинал: Беленький Г Л, Салаев Э Ю, Сулейманов Р А «Деформационные явления в слоистых кристаллах» УФН 155 89–127 (1988); DOI: 10.3367/UFNr.0155.198805c.0089

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