57Fe hyperfine interactions in M1 and M2 sites of olivine from Omolon meteorite: study using Mossbauer spectroscopy

被引：7

作者：

Patrusheva, D. G. ^{[1
]}

Oshtrakh, M. I. ^{[1
]}

Petrova, E. V. ^{[1
]}

Grokhovsky, V. I. ^{[1
]}

Semionkin, V. A. ^{[1
,2
]}

机构：

[1] Ural Fed Univ, Fac Phys Tech & Devices Qual Control, Ekaterinburg 620002, Russia

[2] Ural Fed Univ, Fac Expt Phys, Ekaterinburg 620002, Russia

来源：

HYPERFINE INTERACTIONS | 2010年 / 197卷 / 1-3期

关键词：

Mossbauer spectroscopy with a high velocity resolution; Hyperfine parameters; Olivine; Fe-57 in non-equivalent M1 and M2 sites; Omolon meteorite; HIGH-VELOCITY RESOLUTION; (MG-0.5 FE-0.5(2+))(2)SIO4 FA(50); ORDINARY CHONDRITES; MG; FE2+-OLIVINE;

D O I：

10.1007/s10751-010-0188-1

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

Study of olivine (Fe, Mg)(2)SiO4 from Omolon meteorite was performed using Mossbauer spectroscopy with a high velocity resolution at 295 and 90 K. Components related to Fe-57 in crystallographically non-equivalent M1 and M2 sites in olivine were determined and its Mossbauer hyperfine parameters were evaluated at both temperatures. A Fe2+-Mg2+ distribution coefficient and a temperature of cation equilibrium distribution for olivine from Omolon were evaluated on the basis of Mossbauer parameters.

引用

页码：295 / 300

页数：6

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