The 57Fe hyperfine interactions in the iron-bearing phases in some LL ordinary chondrites

被引：4
作者：
Oshtrakh, M. I. [1 ,2 ]
Maksimova, A. A. [1 ]
Grokhovsky, V. I. [1 ]
Petrova, E. V. [1 ]
Semionkin, V. A. [1 ,2 ]
机构：
[1] Ural Fed Univ, Inst Phys & Technol, Dept Phys Tech & Devices Qual Control, Ekaterinburg 620002, Russia
[2] Ural Fed Univ, Inst Phys & Technol, Dept Expt Phys, Ekaterinburg 620002, Russia
来源：
HYPERFINE INTERACTIONS | 2016年 / 237卷
关键词：
Mossbauer spectroscopy; LL ordinary chondrites; Hyperfine interactions; HIGH-VELOCITY RESOLUTION; MOSSBAUER-SPECTROSCOPY; METEORITE;
D O I：
10.1007/s10751-016-1343-0
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：
The study of several LL ordinary chondrites such as NWA 6286 LL6, NWA 7857 LL6 and Chelyabinsk LL5 fragments with different lithology was carried out using scanning electron microscopy with energy dispersion spectroscopy, X-ray diffraction and Fe-57 Mossbauer spectroscopy with a high velocity resolution at 295 K. Small variations in the Fe-57 hyperfine parameters were revealed for the M1 and M2 sites in olivine, orthopyroxene and clinopyroxene as well as for alpha-Fe(Ni, Co), alpha(2)-Fe(Ni, Co) and gamma-Fe(Ni, Co) phases, and for troilite in different samples of studied LL ordinary chondrites.
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页数：8
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