Complementary 57Fe and 119Sn Mossbauer study of mechanochemical redox reaction

被引：6
|
作者：
Sepelak, V. [1 ]
Isfahani, M. J. Nasr [2 ]
Myndyk, M. [3 ]
Ghafari, M. [1 ]
Feldhoff, A. [4 ]
Becker, K. D. [5 ]
机构：
[1] Karlsruhe Inst Technol, Inst Nanotechnol, D-76344 Eggenstein Leopoldshafen, Germany
[2] Islamic Azad Univ, Lenjan Branch, Dept Phys, Esfahan, Iran
[3] Tech Univ Dresden, Dept Inorgan Chem, D-01062 Dresden, Germany
[4] Leibniz Univ Hannover, Inst Phys Chem & Electrochem, D-30167 Hannover, Germany
[5] Braunschweig Univ Technol, Inst Phys & Theoret Chem, D-38106 Braunschweig, Germany
来源：
HYPERFINE INTERACTIONS | 2011年 / 202卷 / 1-3期
关键词：
Mechanochemistry; Redox reaction; Mossbauer spectroscopy; NONEQUILIBRIUM CATION DISTRIBUTION; CANTED SPIN ARRANGEMENT; STRUCTURAL DISORDER; MAGNETIC-PROPERTIES; NICKEL FERRITE; REDUCTION; MECHANOSYNTHESIS; TRANSFORMATION; DECOMPOSITION; MAGNESIUM;
D O I：
10.1007/s10751-011-0358-9
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：
A non-thermal route to oxide nanocomposites by mechanochemical redox reactions in the alpha-Fe2O3 + SnO system is presented. The important impact of the work, from the methodology point of view, is the combined application of Fe-57 and Sn-119 Mossbauer spectroscopies to the study of the mechanically induced redox processes, resulting in the reduction of alpha-Fe2O3 and the oxidation of SnO. In addition, the obtained product was characterized by X-ray diffraction and transmission electron microscopy.
引用
收藏
页码：39 / 46
页数：8
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