全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

镁铝石榴子石的高压X射线衍射研究

DOI: 10.11858/gywlxb.2008.03.014, PP. 305-308

Keywords: 镁铝石榴子石,金刚石压腔装置(DAC),同步辐射,角散X射线衍射

Full-Text   Cite this paper   Add to My Lib

Abstract:

对于天然镁铝石榴子石(Pyrope),在0~25.3GPa压力条件下,在美国布鲁克海汶(Brookhaven)国家实验室国家同步辐射实验站,利用金刚石压腔装置(DAC),进行了角散X射线粉末衍射的高压原位测量,获得了天然镁铝石榴子石随压力变化的衍射图谱。采用MaterialsStudio软件的Refinement模块对衍射图谱进行了分析,得到了镁铝石榴子石的晶胞参数及其随压力的变化,进而利用Birch-Murnaghan状态方程进行数值拟合,得到了镁铝石榴子石的零压体弹模量B0=199GPa(B′0=4)。

References

[1]  Xie H S. Materials Science of the Earth's Interior [M]. Beijing: Sciences Press, 1997: 152-155. (in Chinese)
[2]  谢鸿森. 地球深部物质科学导论 [M]. 北京: 科学出版社, 1997: 152-155.
[3]  Webb S L. The Elasticity of the Upper Mantle Orthosilicates Olivine and Garnet to 3 GPa [J]. Phys Chem Minerals, 1989, 16: 684-692.
[4]  Leitner B J, Weidner D J, Liebermann R G. Elasticity of Single Crystal Pyrope and Implications for Garnet Solid Solution Series [J]. Phys Earth Planet Inter, 1980, 22: 111-121.
[5]  Sato Y, Akaogi M, Akimoto S. Hydrostatic Compression of the Synthetic Garnets Pyrope Andalmandine [J]. J Geophys Res, 1978, 83: 335-338.
[6]  Levien L, Prewitt C T. Compression of Pyrope [J]. AM Mineral, 1979, 64: 805-808.
[7]  D'Arco P, Fava F F, Dovesi R, et al. Structural and Electronic Properties of Pyrope Garnet (Mg3Al2Si3O12): An Ab Initio Study [J]. J Phys: Condens Matter, 1996, 8: 8815-8828.
[8]  Song M S, Xie H S, Xu Y S. The Property, State and Evolvement of the Mantle Matter and the Development of Phase Transition Dynamics [J]. Geology Earth Chemistry, 1995, 6: 76-79. (in Chinese)
[9]  宋茂双, 谢鸿森, 徐有生. 地幔物质的性质、状态与演化及相变动力学研究进展 [J]. 地质地球化学, 1995, 6: 76-79.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133