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DOI: 10.1002/2016GL067970
论文题名:
Dynamical and elastic properties of MgSiO3 perovskite (bridgmanite)
作者: Wehinger B.; Bosak A.; Nazzareni S.; Antonangeli D.; Mirone A.; Chaplot S.L.; Mittal R.; Ohtani E.; Shatskiy A.; Saxena S.; Ghose S.; Krisch M.
刊名: Geophysical Research Letters
ISSN: 0094-9182
EISSN: 1944-8913
出版年: 2016
卷: 43, 期:6
起始页码: 2568
结束页码: 2575
语种: 英语
英文关键词: bridgmanite ; elasticity ; lattice dynamics ; MgSiO3 ; perovskite ; phonons
Scopus关键词: Calculations ; Dynamics ; Elasticity ; Geochemistry ; Lattice vibrations ; Perovskite ; Phonons ; Single crystals ; X ray scattering ; Ab initio calculations ; Bridgmanite ; Experimental evidence ; High Pressure and High Temperature conditions ; Inelastic X ray scattering ; MgSiO<sub>3</sub> ; Phonon dispersion relations ; Vibrational density of state ; Crystal lattices ; chemical compound ; crystal property ; elasticity ; experimental study ; high pressure ; high temperature ; lattice dynamics ; perovskite
英文摘要: We report on the lattice dynamics of MgSiO3 perovskite (bridgmanite). Phonon spectroscopy was performed employing inelastic X-ray scattering from single crystals, and the results were confronted to ab initio calculations. We observe a remarkable agreement between experiment and theory, and provide accurate results for phonon dispersion relations, the vibrational density of states, and the full elasticity tensor. The present work constitutes an important milestone fully validating the lattice dynamics calculation against precise experimental evidence and marks a starting point to extend this kind of combined studies to the high-pressure and high-temperature conditions directly relevant for the physical properties and chemical composition of Earth's lower mantle. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84963604314&doi=10.1002%2f2016GL067970&partnerID=40&md5=fc840dceaa88e9535627c4b85b077783
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被引频次[WOS]:12   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/10145
Appears in Collections:科学计划与规划
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作者单位: Department of Quantum Matter Physics, University of Geneva, Geneva, Switzerland

Recommended Citation:
Wehinger B.,Bosak A.,Nazzareni S.,et al. Dynamical and elastic properties of MgSiO3 perovskite (bridgmanite)[J]. Geophysical Research Letters,2016-01-01,43(6).
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