Nitrogen-related local vibrational modes in ZnO:N

被引：446

作者：

Kaschner, A

Haboeck, U

Strassburg, M

Kaczmarczyk, G

Hoffmann, A

Thomsen, C

Zeuner, A

Alves, HR

Hofmann, DM

Meyer, BK

机构：

[1] Tech Univ Berlin, Inst Festkorperphys, D-10623 Berlin, Germany

[2] Univ Giessen, Inst Phys 1, D-35392 Giessen, Germany

来源：

APPLIED PHYSICS LETTERS | 2002年 / 80卷 / 11期

关键词：

D O I：

10.1063/1.1461903

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We study the influence of nitrogen, a potential acceptor in ZnO, on the lattice dynamics of ZnO. A series of samples grown by chemical vapor deposition (CVD) containing different nitrogen concentrations, as determined by secondary ion mass spectroscopy (SIMS), was investigated. The Raman spectra revealed vibrational modes at 275, 510, 582, 643, and 856 cm(-1) in addition to the host phonons of ZnO. The intensity of these additional modes correlates linearly with the nitrogen concentration and can be used as a quantitative measure of nitrogen in ZnO. These modes are interpreted as local vibrational modes. Furthermore, SIMS showed a correlation between the concentration of incorporated nitrogen and unintentional hydrogen, similar to the incorporation of the p-dopant magnesium and hydrogen in GaN during metalorganic CVD. (C) 2002 American Institute of Physics.

引用

页码：1909 / 1911

页数：3

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