CRYSTAL DYNAMICS OF GREY (ALPHA) TIN AT 90 DEGREES K

被引：48

作者：

PRICE, DL

ROWE, JM

机构：

[1] Argonne National Laboratory, Argonne, IL

来源：

SOLID STATE COMMUNICATIONS | 1969年 / 7卷 / 19期

关键词：

D O I：

10.1016/0038-1098(69)90318-4

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The crystal dynamics of the low temperature semiconducting allotrope of tin, α-Sn, have been studied at 90°K by means of thermal neutron inelastic scattering. From the phonon frequency-wavevector dispersion relation along the [100], [110], and [111] symmetry axes a frequency distribution has been derived and used to calculate several thermodynamic properties. Limited measurements were made at 250°K to investigate the effect of the α → β transition at 286°K - no effect was detected. © 1969.

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页码：1433 / &

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