Study of rhabdite (iron nickel phosphide) microcrystals extracted from Sikhote-Alin iron meteorite by magnetization measurements and Mossbauer spectroscopy

被引：12

作者：

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

Larionov, M. Yu ^{[1
]}

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

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

机构：

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

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

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2011年 / 130卷 / 1-2期

关键词：

Magnetic materials; Mossbauer spectroscopy; Magnetization measurements; Magnetic properties; HIGH-VELOCITY RESOLUTION; CRYSTAL-STRUCTURE; SCHREIBERSITE;

D O I：

10.1016/j.matchemphys.2011.06.056

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Study of rhabdite (iron nickel phosphide) microcrystals extracted from Sikhote-Alin iron meteorite was made using scanning electron microscopy. X-ray diffraction, magnetic measurements and Mossbauer spectroscopy with a high velocity resolution at various temperatures. The Curie temperature for iron nickel phosphide microcrystals was evaluated in the range of 345-355K. On the basis of Mossbauer data the temperature dependences of magnetic hyperfine fields for Fe atoms in the M1, M2 and M3 sites of rhabdite were shown as well as Fe and Ni occupancies of these sites were evaluated. (C) 2011 Elsevier B.V. All rights reserved.

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收藏

页码：373 / 380

页数：8

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