Simultaneous occurrence of multiferroism and short-range magnetic order in
- Renmin Univ. of China, Beijing (China); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Kentucky, Lexington, KY (United States)
- Renmin Univ. of China, Beijing (China)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Kentucky, Lexington, KY (United States)
- Univ. of Science and Technology of China, Hefei (China); Chinese Academy of Sciences (CAS), Hefei (China); Collaborative Innovation Center of Advanced Microstructures, Nanjing (China)
- Australian Nuclear Science and Technology Organisation (ANSTO), Menai, NSW (Australia). Bragg Inst.
In this paper, we present a combined neutron scattering and magnetization study on the multiferroic DyFeO3, which shows a very strong magnetoelectric effect. Applying magnetic field along the c axis, the weak ferromagnetic order of the Fe ions is quickly recovered from a spin reorientation transition, and the long-range antiferromagnetic order of Dy becomes a short-range one. We found that the short-range order concurs with the multiferroic phase and is responsible for its sizable hysteresis. In conclusion, our H-T phase diagram suggests that the strong magnetoelectric effect in DyFeO3 has to be understood with not only the weak ferromagnetism of Fe but also the short-range antiferromagnetic order of Dy.
- Research Organization:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- AC05-00OR22725
- OSTI ID:
- 1324120
- Alternate ID(s):
- OSTI ID: 1245885
- Journal Information:
- Physical Review B, Vol. 93, Issue 14; ISSN 2469-9950
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Web of Science
Improper electric polarization in simple perovskite oxides with two magnetic sublattices
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An experimental and theoretical study of magnetocaloric effect in Nd 0.5 Dy 0.5 FeO 3
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