Study of olivines from Omolon and Seymchan meteorites using X-ray diffraction and Mössbauer spectroscopy with a high velocity resolution / Oshtrakh M.I., Petrova E.V., Grokhovsky V.I., Chukin A.V., Shtoltz A.K., Semionkin V.A. // AIP Conference Proceedings. - 2012. - V. 1489, l. . - P. 154-163.

ISSN:

0094243X

Type:

Conference Paper

Abstract:

Study of olivine from Omolon and Seymchan meteorites was performed using X-ray diffraction and Mössbauer spectroscopy with a high velocity resolution. X-ray diffraction patterns were measured at room temperature while Mössbauer spectra were measured at 295 and 90 K. The orthorhombic crystal lattice parameters were evaluated for olivine from Omolon and Seymchan. These parameters appeared to be different for olivines from both meteorites. Mössbauer spectral components related to 57Fe in crystallographically non-equivalent sites M1 and M2 in both olivines were determined and its Mössbauer hyperfine parameters were evaluated. Some differences in the tendencies of temperature dependence of spectral parameters and small variations of 57Fe quadrupole splitting in both M1 and M2 sites of olivines from Omolon and Seymchan were found. On the basis of Mössbauer parameters and chemical data, the temperatures of equilibrium cation distribution were evaluated for both olivines. © 2012 American Institute of Physics.

Author keywords:

57Fe in M1 and M2 sites; hyperfine parameters; Mössbauer spectroscopy; olivine; pallasites

Index keywords:

нет данных

DOI:

10.1063/1.4759484

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https://www.scopus.com/inward/record.uri?eid=2-s2.0-84874201928&doi=10.1063%2f1.4759484&partnerID=40&md5=7e3ff365ed39a6a5bc9d91813622cf6f

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Link	https://www.scopus.com/inward/record.uri?eid=2-s2.0-84874201928&doi=10.1063%2f1.4759484&partnerID=40&md5=7e3ff365ed39a6a5bc9d91813622cf6f
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; Department of Theoretical Physics and Applied Mathematics, Institute of Physics and Technology, Ural Federal University, Ekaterinburg, 620002, Russian Federation; Department of Electrophysics, Institute of Physics and Technology, Ural Federal University, Ekaterinburg, 620002, Russian Federation
Author Keywords	57Fe in M1 and M2 sites; hyperfine parameters; Mössbauer spectroscopy; olivine; pallasites
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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
Conference name	International Conference on Mossbauer Spectroscopy in Materials Science - 2012, MSMS 2012
Conference date	11 June 2012 through 15 June 2012
Conference location	Olomouc
ISBN	9780735411012
Language of Original Document	English
Abbreviated Source Title	AIP Conf. Proc.
Source	Scopus