VIBRATIONAL FREQUENCIES OF SI-P-H COMPLEXES IN CRYSTALLINE SILICON - A THEORETICAL-STUDY

被引:20
作者
BONAPASTA, AA [1 ]
GIANNOZZI, P [1 ]
CAPIZZI, M [1 ]
机构
[1] UNIV ROME LA SAPIENZA,DEPARTIMENTO FIS,I-00185 ROME,ITALY
来源
PHYSICAL REVIEW B | 1990年 / 42卷 / 05期
关键词
D O I
10.1103/PhysRevB.42.3175
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Atomic complexes formed by silicon, hydrogen, and phosphorus in crystalline silicon have been studied by using the pseudopotential-density-functional method in a supercell approach. The bending and the stretching H mode energies have been estimated for the stable and the metastable sites of the H atom. Their values for the stable H site (i.e., the antibonding silicon one) are in very good agreement with those of two infrared-absorption lines. © 1990 The American Physical Society.
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页码:3175 / 3178
页数:4
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