Mutual Ferromagnetic-Ferroelectric Coupling in Multiferroic Copper Doped ZnO
A mutual ferromagnetic and ferroelectric coupling (multiferroic behavior) in Cu-doped ZnO is demonstrated via deterministic control of Cu doping and defect engineering. The coexistence of multivalence Cu ions and oxygen vacancies is important to multiferroic behaviors in ZnO:Cu. The samples show clear ferroelectric and ferromagnetic domain patterns. These domain structures may be written reversibly via electric and magnetic bias.
- Research Organization:
- Brookhaven National Laboratory (BNL), Upton, NY (United States). National Synchrotron Light Source (NSLS)
- Sponsoring Organization:
- DOE - OFFICE OF SCIENCE
- DOE Contract Number:
- DE-AC02-98CH10886
- OSTI ID:
- 1019503
- Report Number(s):
- BNL-95124-2011-JA; KC0204001G; TRN: US1103652
- Journal Information:
- Advanced Materials, Vol. 23, Issue 14; ISSN 0935-9648
- Country of Publication:
- United States
- Language:
- English
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