Experimental and theoretical studies of lattice dynamics of Mg-doped InN

被引：13

作者：

Davydov, V. Yu.

Klochikhin, A. A.

Smirnov, M. B.

Smirnov, A. N.

Goncharuk, I. N.

Kurdyukov, D. A.

Lu, Hai

Schaff, William J.

Lee, H.-M.

Lin, H.-W.

Gwo, S.

机构：

[1] AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia

[2] Inst Nucl Phys, St Petersburg, Russia

[3] St Petersburg State Univ, Fock Inst Phys, St Petersburg 198504, Russia

[4] Cornell Univ, Dept Elect & Comp Engn, Ithaca, NY 14853 USA

[5] Natl Tsing Hua Univ, Dept Phys, Hsinchu 300, Taiwan

来源：

APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 11期

基金：

俄罗斯基础研究基金会;

关键词：

D O I：

10.1063/1.2785137

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Raman studies of Mg-doped InN films with a Mg content from N-Mg=3.3x10(19) to 5.5x10(21) cm(-3) are reported. Raman and secondary ion mass spectroscopy data on the Mg content have been found to correlate well. Lattice dynamics of hexagonal InN with substitutional impurities and vacancies has been investigated in the framework of the cluster approach. Energy positions of local vibrational modes in InN have been calculated and compared with experimental findings. It is concluded that Raman spectroscopy is a good tool for quantitative characterization of Mg-doped InN.

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页数：3

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