Surface Brillouin scattering in ion-implanted chemical vapor deposited diamond.

被引：3
|
作者：
Motochi, I. [1 ]
Mathe, B. A.
Naidoo, S. R.
Derry, T. E.
机构：
[1] Univ Witwatersrand, Mat Phys Res Inst, DST NRF Ctr Excellence Strong Mat, ZA-2050 Johannesburg, South Africa
来源：
MATERIALS TODAY-PROCEEDINGS | 2016年 / 3卷
关键词：
Diamond; ion-implantation; surface Brillouin scattering; surface acoustic wave (SAW); POLYCRYSTALLINE DIAMOND; FILMS;
D O I：
10.1016/j.matpr.2016.02.025
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Acoustic waves occurring within an ion-damaged region of CVD diamond were studied using surface Brillouin scattering (SBS). By indirect scattering, the surface acoustic wave (SAW)-like mode of pure diamond, as well as those of carbon ion implanted diamonds to fluences of 1.0x10(16) ions/cm(2) and 1.5x10(16) ions/cm(2) were measured. Pristine diamond had a shear horizontal wave velocity of approximate to 12500 m/s and the irradiated diamonds showed a shear velocity of approximate to 12300 m/s. A necessary condition for observing Brillouin spectra via indirect scattering in a transparent medium is shown to be an optically smooth back surface. (C) 2016 Published by Elsevier Ltd.
引用
收藏
页码：S145 / S152
页数：8
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