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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Negative magnetostrictive magnetoelectric coupling of BiFeO3
Physical Review B - Condensed Matter and Materials Physics, Volume 88, No. 6, Article 060103, Year 2013
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Description
How magnetoelectric coupling actually occurs on a microscopic level in multiferroic BiFeO3 is not well known. By using high-resolution single crystal neutron diffraction techniques, we have determined the electric polarization of each individual element of BiFeO3, and concluded that magnetostrictive coupling suppresses the electric polarization at the Fe site below TN. This negative magnetoelectric coupling appears to outweigh the spin current contributions arising from the cycloid spin structure, which should produce positive magnetoelectric coupling. ©2013 American Physical Society.
Authors & Co-Authors
Lee, Sanghyun
South Korea, Daejeon
Korea Basic Science Institute
South Korea, Seoul
Seoul National University
South Korea, Seoul
Sungkyunkwan University
Fernàndez-Dìaz, Marìa Teresa
France, Grenoble
Institut Laue-langevin
Kimura, Hiroyuki
Japan, Sendai
Tohoku University
Adroja, Devashibhai Thakarshibhai
United Kingdom, Didcot
Rutherford Appleton Laboratory
Lee, Seongsu
South Korea, Daejeon
Korea Atomic Energy Research Institute
Park, Junghwan
South Korea, Seoul
Seoul National University
South Korea, Seoul
Sungkyunkwan University
Park, Je-geun
South Korea, Daejeon
Korea Basic Science Institute
South Korea, Seoul
Seoul National University
Statistics
Citations: 57
Authors: 7
Affiliations: 9
Identifiers
Doi:
10.1103/PhysRevB.88.060103
ISSN:
1550235X