期刊
APPLIED PHYSICS LETTERS
卷 99, 期 10, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3636399
关键词
dielectric polarisation; dysprosium compounds; holmium compounds; multiferroics
资金
- Natural Science Foundation of China [50832002, 11004027, 51021091]
- National Key Projects for Basic Research of China [2009CB929501, 2009CB623303]
The multiferroic behaviors of Dy1-xHoxMnO3 are investigated in order to reveal the effects of Ho-substitution on the independent collinear Dy spin order and ferroelectric polarization at low temperature. It is demonstrated that a partial Ho-substitution of Dy ions significantly suppresses the independent Dy spin order at low temperature on one hand, and maintains the R-Mn spin coupling on the other hand, thus leading to a remarkable enhancement of the polarization at low temperature. (C) 2011 American Institute of Physics. [doi:10.1063/1.3636399]
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