Mössbauer spectroscopy with a high velocity resolution applied for the study of meteoritic iron-bearing minerals / Oshtrakh M.I., Grokhovsky V.I., Petrova E.V., Larionov M.Y., Goryunov M.V., Semionkin V.A. // Journal of Molecular Structure. - 2013. - V. 1044, l. . - P. 268-278.

ISSN:

00222860

Type:

Conference Paper

Abstract:

Mössbauer spectroscopy with a high velocity resolution was applied for study of iron-bearing minerals in different meteorites. The possibility of technique to reveal small variations in Mössbauer hyperfine parameters of the 57Fe in the non-equivalent M1 and M2 sites in olivines from Farmington L5 and Tsarev L5 ordinary chondrites and from Omolon and Seymchan pallasites was demonstrated. The necessity of accounting for the Fe and Ni occupation probabilities in the local microenvironments for non-equivalent sites M1, M2 and M3 in schreibersite, an iron nickel phosphide from Sikhote-Alin iron meteorite, in the fit of its Mössbauer spectra was shown. Variations in Mössbauer parameters of metal samples from visually different areas at the saw-cut surface of Chinga iron meteorite fragment with unknown origin were observed; these variations may be related to different metal phase composition and local variations of Ni concentration in the metal phases in these areas. © 2012 Elsevier B.V. All rights reserved.

Author keywords:

Iron-bearing phases; Meteorites; Mössbauer spectroscopy with a high velocity resolution

Index keywords:

Hyperfine parameters; Iron-bearing minerals; Iron-bearing phases; Microenvironments; Non-equivalent sites; Occupation probability; Ordinary chondrites; Ssbauer spectroscopies; Iron; Meteorites; Nickel

DOI:

10.1016/j.molstruc.2012.09.059

Смотреть в Scopus:

https://www.scopus.com/inward/record.uri?eid=2-s2.0-84878341051&doi=10.1016%2fj.molstruc.2012.09.059&partnerID=40&md5=0a583222dec36223d43c1de9e53a25ee

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Link	https://www.scopus.com/inward/record.uri?eid=2-s2.0-84878341051&doi=10.1016%2fj.molstruc.2012.09.059&partnerID=40&md5=0a583222dec36223d43c1de9e53a25ee
Affiliations	Department of Physical Techniques and Devices for Quality Control, Institute of Physics and Technology, Ural Federal University, Ekaterinburg 620002, Russian Federation; Department of Experimental Physics, Institute of Physics and Technology, Ural Federal University, Ekaterinburg 620002, Russian Federation
Author Keywords	Iron-bearing phases; Meteorites; Mössbauer spectroscopy with a high velocity resolution
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Correspondence Address	Oshtrakh, M.I.; Department of Physical Techniques and Devices for Quality Control, Institute of Physics and Technology, Ural Federal University, Ekaterinburg 620002, Russian Federation; email: oshtrakh@mail.utnet.ru
CODEN	JMOSB
Language of Original Document	English
Abbreviated Source Title	J. Mol. Struct.
Source	Scopus