ACOUSTIC PHONONS IN A-SI-H/A-SIN X-H SUPERLATTICES

被引：0

作者：

HOTZ, R

机构：

[1] Theoretische Physik, Universität des Saarlandes

来源：

MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 1990年 / 5卷 / 02期

关键词：

D O I：

10.1016/0921-5107(90)90049-H

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

For an ideal periodic arrangement of layers we derived the stop bands for all angles of incidence and mode polarizations. By counting superlattice modes we obtained their density of states and contribution to the low temperature specific heat. For a realistic system with layer widths differing from those of a perfect periodic arrangement, the band structure is shown to disappear gradually with increasing frequency. © 1990.

引用

页码：167 / 171

页数：5

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