Unusual Magnetism Due to a Random Distribution of Cations in alpha -LiFeO sub( 2)

The magnetic behavior of disordered alpha -LiFeO ... is studied by Mossbauer spectroscopy, dc and ac susceptibilities. The ... Fe Mossbauer spectrum of alpha -LiFeO ... can be fitted by two doublets with similar isomer shifts but different quadruple splittings due to different electric field gradien...

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Veröffentlicht in:Journal of the Physical Society of Japan 2011-09, Vol.80 (9), p.1-1
Hauptverfasser: Du, Fei, Bie, Xiaofei, Ehrenberg, Helmut, Liu, Lina, Gao, Chunge, Wei, Yingjin, Chen, Gang, Chen, Hong, Wang, Chunzhong
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container_issue 9
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container_title Journal of the Physical Society of Japan
container_volume 80
creator Du, Fei
Bie, Xiaofei
Ehrenberg, Helmut
Liu, Lina
Gao, Chunge
Wei, Yingjin
Chen, Gang
Chen, Hong
Wang, Chunzhong
description The magnetic behavior of disordered alpha -LiFeO ... is studied by Mossbauer spectroscopy, dc and ac susceptibilities. The ... Fe Mossbauer spectrum of alpha -LiFeO ... can be fitted by two doublets with similar isomer shifts but different quadruple splittings due to different electric field gradients at the Fe ... cores. The effective moment of alpha -LiFeO ... is lower than that theoretical expected because of the formation of short-range antiferromagnetic clusters. The frequency dependence of the ac peaks at 88 K, irreversibility behavior and its evolution with the increasing strength of a superimposed dc field confirm a cluster spin glass state of alpha -LiFeO ... . (ProQuest: ... denotes formulae/symbols omitted.)
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source Alma/SFX Local Collection
subjects Clusters
Direct current
Evolution
Iron
Magnetic permeability
Magnetism
Mossbauer spectroscopy
Spin glass
title Unusual Magnetism Due to a Random Distribution of Cations in alpha -LiFeO sub( 2)
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