| 掺Fe和掺Cr的LiNbO3单晶的全部弹性和压电参数的布里渊散射测量 |
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| 引用本文： | 蒋最敏,刘玉龙,张鹏翔.掺Fe和掺Cr的LiNbO3单晶的全部弹性和压电参数的布里渊散射测量[J].物理学报,1987,36(7):951-955. |
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| 作者姓名： | 蒋最敏 刘玉龙 张鹏翔 |
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| 作者单位： | 中国科学院物理研究所 |
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| 摘 要： | 本文测量了抛光球形单晶样品某一晶面内的布里渊散射。从得到的声速各向异性求出Fe:LiNbO3和Cr:LiNbO3晶体的全部弹性和压电参数,同纯LiNbO3进行了比较,讨论指出:若干弹性张量组元的正、负号不确定是由坐标系的选择造成的。
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| 收稿时间： | 1986-07-24 |
MEASUREMENTS OF THE WHOLE SET OF THE ELASTIC AND PIEZOELECTRIC PARAMETERS OF THE SINGLE CRYSTALS Fe:LiNbO3 AND Cr:LiNbO3 BY BRILLOUIN SCATTERING OF LIGHT |
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| JIANG ZUI-MIN,LIU YU-LONG and ZHANG PENG-XIANG.MEASUREMENTS OF THE WHOLE SET OF THE ELASTIC AND PIEZOELECTRIC PARAMETERS OF THE SINGLE CRYSTALS Fe:LiNbO3 AND Cr:LiNbO3 BY BRILLOUIN SCATTERING OF LIGHT[J].Acta Physica Sinica,1987,36(7):951-955. |
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| Authors: | JIANG ZUI-MIN LIU YU-LONG and ZHANG PENG-XIANG |
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| Abstract: | Brillouin scattering of light from certain crystal plane of polished single crystal spheres was measured. From the obtained data of sound velocity anisotropy, all the elastic and piezoelectric parameters of the single crystals of Fe and Cr doped LiNbO3 were deduced. The results were compared with pure LiNbO3. Discussion indicated that the sign uncertainty of some elements of the elastic tensor was due to the choice of the coordinates. |
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