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Microstructure and oxidation states in multiferroic Lu2(Fe,Mn)3O7
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Ma, Chao, Qin, Yuanbin, Yang, Huaixin, Tian, Huanfang, Li, Jianqi, Sardar, Kripasindhu, Walton, Richard I., Su, Dong, Wu, Lijun and Zhu, Yimei (2012) Microstructure and oxidation states in multiferroic Lu2(Fe,Mn)3O7. Journal of Applied Physics, Volume 112 (Number 9). Article number 094105. doi:10.1063/1.4764309 ISSN 0021-8979.
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Official URL: http://dx.doi.org/10.1063/1.4764309
Abstract
Microstructural features and oxidation states in multiferroic Lu2Fe2.1Mn0.9O7 have been investigated by neutron diffraction,transmission electron microscopy(TEM), and x-rayabsorption near edge spectroscopy. Our experimental results demonstrate the disordered distribution of Mn atoms in the FeO double (W) layers, indicating that structural modulations originate from the charge disproportionation, which is evidenced by the mixed-valence states of Fe ions.TEM measurements clearly reveal Mn doping induced chemical inhomogeneity and local distortions which are associated with the charge disproportionation in the W layers. In addition, the polarization is discussed in association with the lattice distortions and charge disproportionation.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||
Journal or Publication Title: | Journal of Applied Physics | ||||
Publisher: | American Institute of Physics | ||||
ISSN: | 0021-8979 | ||||
Official Date: | 2012 | ||||
Dates: |
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Volume: | Volume 112 | ||||
Number: | Number 9 | ||||
Page Range: | Article number 094105 | ||||
DOI: | 10.1063/1.4764309 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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