Structural, elastic and vibrational properties of celestite, SrSO4, from synchrotron x-ray diffraction, thermal diffuse scattering and Raman scattering
Structural, elastic and vibrational properties of celestite, SrSO4, from synchrotron x-ray diffraction, thermal diffuse scattering and Raman scattering
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来自同步加速器 X 射线衍射、热漫散射和拉曼散射的天青石 SrSO4 的结构、弹性和振动特性
DOI:
10.1088/1361-648x/aaf0ef
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
Winkler B
中科院分区:
文献类型:
--
作者:
Girard A;Stekiel M;Spahr D;Morgenroth W;Wehinger B;Milman V;Tra Nguyen- Thanh;Mirone A;Minelli A;Paolasini L;Bosak A;Winkler B
In order to resolve inconsistencies encountered in published data for SrSO, the elasticity and the phase stability of celestite has been studied using thermal diffuse scattering, high pressure powder synchrotron x-ray diffraction, Raman scattering and DFT calculations. The structure of SrSO is found to be stable up to 62 GPa at ambient temperature. The preferred values for the components of the elastic stiffness tensor have been determined using x-ray thermal diffuse scattering and are (in GPa):,,,,,,,,. The preferred value for the bulk modulus is GPa. This work shows that thermal diffuse scattering collected at two temperatures allows the determination of the full elastic tensor of crystals with low space group symmetry.
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影响因子:
0.5
作者:
E. Goldish
通讯作者:
E. Goldish
影响因子:
3.4
作者:
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影响因子:
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通讯作者:
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