First-principles, UV Raman, X-ray diffraction and TEM study of the structure and lattice dynamics of the diamond-lonsdaleite system

被引:30
作者
Denisov, V. N. [1 ,2 ]
Mavrin, B. N. [2 ]
Serebryanaya, N. R. [1 ,2 ]
Dubitsky, G. A. [1 ]
Aksenenkov, V. V. [1 ]
Kirichenko, A. N. [1 ]
Kuzmin, N. V. [1 ]
Kulnitskiy, B. A. [1 ]
Perezhogin, I. A. [1 ]
Blank, V. D. [1 ,2 ]
机构
[1] Technol Inst Superhard & Novel Carbon Mat, Troitsk 142190, Moscow Region, Russia
[2] RAS, Inst Spect, Troitsk 142190, Moscow Region, Russia
关键词
Diamond-lonsdaleite system; X-ray; TEM; UV Raman spectra; Ab initio; HEXAGONAL DIAMOND;
D O I
10.1016/j.diamond.2011.05.013
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We report the results of the study of the polycrystalline powder of the diamond-lonsdaleite system by X-ray diffractometry, transmission electron microscopy and UV Raman spectroscopy. The measured data of structural parameters are in good agreement with ab initio calculations. We show that the Raman spectrum is proportional to the phonon density of states of the diamond-lonsdaleite system. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码:951 / 953
页数:3
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