期刊
PHYSICAL REVIEW LETTERS
卷 109, 期 24, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.109.247606
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资金
- National Science Council, R.O.C. [NSC-101-2119-M-009-003-MY2]
- Ministry of Education [MOE-ATU 101W961]
- Center for Interdisciplinary Science of National Chiao Tung University
- Office of Science, Office of Basic Energy Sciences, Materials Sciences Division of the U.S. Department of Energy [DE-AC02-05CH1123]
- National Science Foundation [DMR-0820404, DMR-1210588]
- DOE Basic Sciences [DOE DE-FG02-07ER46417]
- Army Research Office (ARO) [W911NF-08-2-0032]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1210588, GRANTS:13720640] Funding Source: National Science Foundation
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
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