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Title: Crystal and magnetic structure of (1-x)BiFeO3-xSrTiO3 (x=0.2, 0.3, 0.4 and 0.8)
Authors: Goossens, DJ
Weekes, CJ
Avdeev, M
Hutchison, WD
Keywords: Neutron diffraction
Strontium titanates
Antiferromagnetic materials
Ferroelectric materials
Crystal structure
Issue Date: 1-Nov-2013
Publisher: Elsevier
Citation: Goossens, D. J., Weekes, C. J., Avdeev, M., & Hutchison, W. D. (2013). Crystal and magnetic structure of (1-x)BiFeO3-xSrTiO3 (x=0.2, 0.3, 0.4 and 0.8). Journal of Solid State Chemistry, 207, 111-116. doi:10.1016/j.jssc.2013.09.024
Abstract: The effect of doping SrTiO3 into BiFeO3 on the magnetic and crystal structure has been explored using powder neutron diffraction for (1−x)BiFeO3–xSrTiO3(1−x)BiFeO3–xSrTiO3 where x=0.2, 0.3, 0.4, 0.6 and 0.8. While the data are not sensitive to the cycloidal component of the magnetic ordering, the evolution of the collinear antiferromagnetic moment of the G-type antiferromagnetic component with T and x has been explored, as have structural parameters. It is found that for x≤0.4x≤0.4 pure phase samples form in the R3c cell, and for x =0.8 a non-magnetic Pm3¯m phase is obtained. The x=0.6 sample gives a mixed phase. Through the R3c phase the magnetic structure does not change appreciably apart from the reduction of magnetic moment magnitude with the increasing T and/or x. © 2013, Elsevier Inc.
Gov't Doc #: 6106
ISSN: 0022-4596
Appears in Collections:Journal Articles

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