Piezomagnetoelectric Effect of Spin Origin in Dysprosium Orthoferrite
Taro Nakajima1, Yusuke Tokunaga1,2, Yasujiro Taguchi1
1RIKEN Center for Emergent Matter Science (CEMS), Saitama 351-0198, Japan.
Abstract:
The piezomagnetoelectric effect, namely, the simultaneous induction of both the ferromagnetic moment and electric polarization by an application of uniaxial stress, was demonstrated in the nonferroelectric antiferromagnetic ground state of DyFeO(3). The induced electric polarization and ferromagnetic moment are coupled with each other, and monotonically increase with increasing uniaxial stress. The present work provides a new guiding principle for designing multiferroics where its magnetic symmetry is broken by external uniaxial stress.
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