Phonon Spectra of a-SiNx : H/Si Heterostructures Observed by Brillouin Light Scattering
XIA Hua, ZHANG Wei, LI Zhifeng, QU Xuexuan, CHEN Kunji, ZHANG Xingkui
State Key Laboratory of Solid State Microstructures, Department of Physics, Nanjing University, Nanjing 210008
Phonon Spectra of a-SiNx : H/Si Heterostructures Observed by Brillouin Light Scattering
XIA Hua;ZHANG Wei;LI Zhifeng;QU Xuexuan;CHEN Kunji;ZHANG Xingkui
State Key Laboratory of Solid State Microstructures, Department of Physics, Nanjing University, Nanjing 210008
关键词 ：
78.35.+c ,
68.60.Bs
Abstract ： Low-frequency phonon spectra in a- SiNx : H/Si heterostructures have been observed by means of Brillouin light scattering. Measurement of the frequency shift on longitudinal and transverse acoustic phonons as well as on surface phonons enabled us to extract accurately two independent elastic moduli: c11 and c44 deduced from phase velocities of bulk acoustic modes and scattering wavevector, within effective medium approximation.
Key words ：
78.35.+c
68.60.Bs
出版日期: 1993-10-01
:
78.35.+c
(Brillouin and Rayleigh scattering; other light scattering)
68.60.Bs
(Mechanical and acoustical properties)
引用本文:
XIA Hua;ZHANG Wei;LI Zhifeng;QU Xuexuan;CHEN Kunji;ZHANG Xingkui. Phonon Spectra of a-SiNx : H/Si Heterostructures Observed by Brillouin Light Scattering[J]. 中国物理快报, 1993, 10(10): 627-629.
x : H/Si Heterostructures Observed by Brillouin Light Scattering. Chin. Phys. Lett., 1993, 10(10): 627-629.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1993/V10/I10/627
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