Journal
CURRENT APPLIED PHYSICS
Volume 15, Issue 2, Pages 120-123Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cap.2014.12.001
Keywords
BaTiO3; Single phase multiferroics; Rietveld refinement analysis; Microstructure analysis (TEM, HRTEM, SEAD)
Funding
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology [NRF-2012R1A1A2008845]
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We report on the structural, magnetic and ferroelectric properties of Fe doped Ba0.95Bi0.05TiO3 (Ba0.95Bi0.05Ti1-yFeyO3 (0 <= y <= 0.1)) ceramics prepared by solid state reaction. Rietveld analysis shows that compounds with y <= 0.07 have a single phase-tetragonal structure (space group P4mm), and the tetragonality (c/a) decreases as x increases. Ba0.95Bi0.05Ti0.93Fe0.07O3 ceramic shows ferromagnetic order with a Curie temperature of about 700 K and ferroelectric order at room temperature. These results indicate that the Ba0.95Bi0.05Ti0.93Fe0.07O3 can be useful as a multiferroic material. (C) 2014 Elsevier B.V. All rights reserved.
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