Fe and Mg local environment in the synthetic enstatite-ferrosilite join: an experimental and theoretical XANES and XRD study
Giuli, G; Paris, E; Wu ZY(吴自玉); Wu, ZY; Mottana, A; Seifert, F
刊名EUROPEAN JOURNAL OF MINERALOGY
2002
卷号14期号:2页码:429-436
关键词synthetic orthopyroxenes En-Fs join Fe and Mg XANES theoretical spectra
学科分类Mineralogy
DOI10.1127/0935-1221/2002/0014-0429
通讯作者Univ Camerino, Dipartimento Sci Terra, I-62032 Camerino, Italy ; Univ Camerino, INFM, I-62032 Camerino, Italy ; Chinese Acad Sci, Inst High Energy Phys, Bejing Synchrotron Radiat Facil, Beijing 100039, Peoples R China ; Univ Roma Tre, Dip Sci Geol, Rome, Italy ; Univ Bayreuth, Bayer Geoinst, D-8580 Bayreuth, Germany
文章类型Article
英文摘要Synthetic orthopyroxenes on the join enstatite-ferrosilite (Mg2Si2O6-Fe2Si2O6) have been studied by XANES spectroscopy with the aim to interpret the variation found in the spectra due to the Mg-Fe substitution in the orthopyroxene structure. The experimental Fe K-edge and Mg K-edge spectra show variation of the peak intensities as a function of the chemical composition along the enstatite-ferrosilite (En-Fs) join. At the Fe K-edge, the intensity ratio between the two most intense peaks varies linearly with the enstatite content (En mole %). Theoretical spectra have been calculated both at the Fe and Mg K-edge to interpret the experimental data. The spectra, obtained by locating Fe (or Mg) in M1 and M2 sites and weighting these contributions according to occupancy data obtained by Rietveld structure refinement, reproduce very well the experimental spectra, and allow to discriminate the contributions to the total spectrum due to Fe (Mg) located in each site.
类目[WOS]Mineralogy
研究领域[WOS]Mineralogy
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语种英语
WOS记录号WOS:000174929500019
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被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237448
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
作者单位中国科学院高能物理研究所
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Giuli, G,Paris, E,Wu ZY,et al. Fe and Mg local environment in the synthetic enstatite-ferrosilite join: an experimental and theoretical XANES and XRD study[J]. EUROPEAN JOURNAL OF MINERALOGY,2002,14(2):429-436.
APA Giuli, G,Paris, E,吴自玉,Wu, ZY,Mottana, A,&Seifert, F.(2002).Fe and Mg local environment in the synthetic enstatite-ferrosilite join: an experimental and theoretical XANES and XRD study.EUROPEAN JOURNAL OF MINERALOGY,14(2),429-436.
MLA Giuli, G,et al."Fe and Mg local environment in the synthetic enstatite-ferrosilite join: an experimental and theoretical XANES and XRD study".EUROPEAN JOURNAL OF MINERALOGY 14.2(2002):429-436.
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