Local vibrational modes of isolated hydrogen in germanium

被引：33

作者：

Budde, M ^{[1
]}

Nielsen, BB

Cheney, CP

Tolk, NH

Feldman, LC

机构：

[1] Aarhus Univ, Inst Phys & Astron, DK-8000 Aarhus C, Denmark

[2] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 85卷 / 14期

关键词：

D O I：

10.1103/PhysRevLett.85.2965

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Two distinct isolated hydrogen defects are observed in crystalline Ge by in situ infrared absorption spectroscopy. Implantation of protons into Ge at cryogenic temperatures gives rise; to two intense ab: sorption lines at 745 and 1794 cm(-1). The lines originate from distinct defects, each of which contains one H atom located on a [111] axis. The 1794-cm(-1) line is assigned to bond center H in the positive charge state, whereas the 745-cm(-1) line is ascribed to negatively charged H located on a [111] axis close to the tetrahedral site.

引用

页码：2965 / 2968

页数：4

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