Orthorhombic BiFeO3

J. C. Yang, Q. He, S. J. Suresha, C. Y. Kuo, C. Y. Peng, R. C. Haislmaier, M. A. Motyka, G. Sheng, C. Adamo, H. J. Lin, Z. Hu, L. Chang, L. H. Tjeng, E. Arenholz, N. J. Podraza, M. Bernhagen, R. Uecker, D. G. Schlom, V. Gopalan, L. Q. ChenC. T. Chen, R. Ramesh, Y. H. Chu

Research output: Contribution to journalArticlepeer-review

75 Citations (Scopus)

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.

Original languageEnglish
Article number247606
JournalPhysical review letters
Volume109
Issue number24
DOIs
Publication statusPublished - 2012 Dec 14

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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