単結晶メスバウアースペクトルによるエジリンのM1席のFe3+の電場勾配テンソル

篠田 圭司; 小林 康浩

doi:10.14824/jakoka.2018.0_25

Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences

2018 Annual Meeting of Japan Association of Mineralogical Sciences

Session ID : R1-01

DOI https://doi.org/10.14824/jakoka.2018.0_25

Conference information

Host: Japan Association of Mineralogical Sciences

R1: Characterization and description of minerals

Determination of electric field gradient tensor of Fe³⁺ in M1 site of aegirine by single crystal Mossbauer spectroscopy

*Keiji Shinoda, Yasuhiro Kobayashi

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Keywords: Mossbauer spectroscopy, electric field gradient tensor, aegirine

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Abstract

Electric Field Gradient (EFG) tensor of Fe³⁺ in M1 site of aegirine was determined by Mossbauer spectroscopy using crystallographically oriented single crystal thin sections of aegirine. Asymmetric parameter was nearly equal to 1. The principal axes of EFG tensor of aegirine are almost oriented to a*, b, c-axes. V_xx component of EFG is along b-axis.

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