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- Oh, Yoon Seok
- Laboratory for Strong Correlation in Quantum Materials
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Electric field control of nonvolatile four-state magnetization at room temperature
- Author(s)
- Chun, Sae Hwan, Chai, Yi Sheng, Jeon, Byung-Gu, Kim, Hyung Joon, Oh, Yoon Seok, Kim, Ingyu, Kim, Hanbit, Jeon, Byeong Jo, Haam, So Young, Park, Ju-Young, Lee, Suk Ho, Chung, Jae-Ho, Park, Jae-Hoon, Kim, Kee Hoon
- Issued Date
- 2012-04
- Citation
- PHYSICAL REVIEW LETTERS, v.108, no.17, pp.177201
- Abstract
- We find the realization of large converse magnetoelectric (ME) effects at room temperature in a magnetoelectric hexaferrite Ba 0.52Sr 2.48Co 2Fe 24O 41 single crystal, in which rapid change of electric polarization in low magnetic fields (about 5 mT) is coined to a large ME susceptibility of 3200ps/m. The modulation of magnetization then reaches up to 0.62μ B/f.u. in an electric field of 1.14MV/m. We find further that four ME states induced by different ME poling exhibit unique, nonvolatile magnetization versus electric field curves, which can be approximately described by an effective free energy with a distinct set of ME coefficients. © 2012 American Physical Society.
- Publisher
- AMER PHYSICAL SOC
- ISSN
- 0031-9007
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