Open Access
Materials Research Express, volume 1, issue 2, pages 25033
Fe3S4and Fe3O4magnetic nanocrystals: magneto-optical and Mössbauer spectroscopy study
C. C. Lin
1
,
Y.T. Tseng
1
,
S. G. Ovchinnikov
2, 3
,
R. Ivantsov
4
,
I. S. EDELMAN
4
,
A. S. Fedorov
2, 3
,
A. A. Kuzubov
5
,
D. V. Fedorov
6
,
S.S. STARCHIKOV
7
,
1
Department of Applied Physics, National Pintung University of Education, Pintung 90003, Taiwan
|
2
L.V. Kirensky Institute of Physics, Siberian Branch of Russian Academy of Sciences, Krasnoyarsk, 660036, Russia
|
4
L V Kirensky Institute of Physics, Siberian Branch of Russian Academy of Sciences,Krasnoyarsk 660036,Russia
|
Publication type: Journal Article
Publication date: 2014-06-04
Journal:
Materials Research Express
scimago Q2
SJR: 0.432
CiteScore: 4.5
Impact factor: 1.8
ISSN: 20531591
Metals and Alloys
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Polymers and Plastics
Biomaterials
Abstract
Iron oxide magnetite (Fe3O4) should be a reasonable analog for conception and understanding of the magnetic properties of iron sulfide greigite (Fe3S4)—one of the most required magnetic materials having numerous applications but being far from the complete understanding now. We present here a comparative study of the Mossbauer effect (ME) and the magnetic circular dichroism (MCD) spectroscopy of Fe3O4 and Fe3S4 nanoparticles. The ME spectrum parameters of Fe3S4 are shown to distinguish strongly from that of Fe3O4, and the MCD spectrum shapes are shown to be absolutely different for two compounds. To clarify the origin of the Fe3S4 MCD spectrum we have performed ab initio band structure calculations and identified the MCD spectrum features with the transitions between calculated energy states.
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