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Re-entrant spin glass behavior in orthorhombic LiMnO2

Zhao Li-Zhu Chen Gang Li Feng-Yan Du Fei Wei Ying-Jin Huang Zu-Fei Wang Chun-Zhong

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Re-entrant spin glass behavior in orthorhombic LiMnO2

Zhao Li-Zhu, Chen Gang, Li Feng-Yan, Du Fei, Wei Ying-Jin, Huang Zu-Fei, Wang Chun-Zhong
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  • Orthorhombic LiMnO2 (o-LiMnO2) are synthesized by hydrothermal technique. Two samples were obtained which crystallize in orthorhombic structure with space group Pmnm. From rietveld refinements,the samples exhibit respectively a spot of cationic disorder on the lithium and manganese sites 4% and 8%,which,however,has no great influence on the magnetism. We have investigated the static and dynamical response of clusters in o-LiMnO2 oxide,and a sequenceof transformations of magnetic states,i.e. antiferromagnetic to ferromagnetic state at T≤TC≈118K and ferromagnetic to canted spin glass state at T≤Tf≈50K are observed.
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Publishing process
  • Received Date:  13 February 2007
  • Accepted Date:  20 March 2007
  • Published Online:  05 May 2007

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