Journal
SCRIPTA MATERIALIA
Volume 130, Issue -, Pages 161-164Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2016.11.034
Keywords
Multiferroic; BiFeO3; Structural properties; Magnetism
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Funding
- Brazilian funding agencies CAPES [88881.0658506/2014-01, 88881.068509/2014-01]
- CNPq [446565/2014-8, 445837/2014-4, 474554/2013-9, 200977/2015-6]
- NSF/ECCS [1002380]
- ONR [W911NF-12-1-0082]
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A structurally correlated magnetization enhancement is reported for Mn doped 0.9BiFeO(3)-0.1BaTiO(3) corn pounds. X-ray diffraction and Rietveld refinement studies revealed a distorted perovskite structure with the coexistence of rhombohedral and monoclinic symmetries. Mossbauer spectroscopy results showed a magnetic spectral signature of ordered Fe3+ ions for the rhombohedral phase of the undoped sample, and for both rhombohedral and monoclinic phases of the Mn doped samples. A significant magnetization increase (reaching 0.50 emu/g), associated to the magnetic ordering of the Cm phase and to the retention of the Mn3+ valence state, was observed for Mn doped samples. (C) 2016 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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