Orthorhombic BiFeO3

Title:	Orthorhombic BiFeO3
Authors:	Yang, J. C. He, Q. Suresha, S. J. Kuo, C. Y. Peng, C. Y. Haislmaier, R. C. Motyka, M. A. Sheng, G. Adamo, C. Lin, H. J. Hu, Z. Chang, L. Tjeng, L. H. Arenholz, E. Podraza, N. J. Bernhagen, M. Uecker, R. Schlom, D. G. Gopalan, V. Chen, L. Q. Chen, C. T. Ramesh, R. Chu, Y. H. 材料科學與工程學系 Department of Materials Science and Engineering
Issue Date:	14-Dec-2012
Abstract:	A new orthorhombic phase of the multiferroic BiFeO3 has been created via strain engineering by growing it on a NdScO3(110)(o) substrate. The tensile-strained orthorhombic BiFeO3 phase is ferroelectric and antiferromagnetic at room temperature. A combination of nonlinear optical second harmonic generation and piezoresponse force microscopy revealed that the ferroelectric polarization in the orthorhombic phase is along the in-plane < 110 >(pc) directions. In addition, the corresponding rotation of the antiferromagnetic axis in this new phase was observed using x-ray linear dichroism. DOI: 10.1103/PhysRevLett.109.247606
URI:	http://dx.doi.org/10.1103/PhysRevLett.109.247606 http://hdl.handle.net/11536/20828
ISSN:	0031-9007
DOI:	10.1103/PhysRevLett.109.247606
Journal:	PHYSICAL REVIEW LETTERS
Volume:	109
Issue:	24
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End Page:	0
Appears in Collections:	Articles

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