Mutual Ferromagnetic-Ferroelectric Coupling in Multiferroic Copper-Doped ZnO
- National Univ. of Singapore (Singapore); University of Illinois
- National Univ. of Singapore (Singapore)
- National Univ. of Singapore (Singapore); National Univ. of Singapore (Singapore). Singapore Synchrotron Light Source
- Institute of Materials Research and Engineering (IMRE) (Singapore)
- Univ. of Illinois at Urbana-Champaign, IL (United States). Frederick Seitz Materials Research Lab. (FS-MRL)
- Brookhaven National Laboratory (BNL), Upton, NY (United States). National Synchrotron Light Source (NSLS)
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:
- Univ. of Illinois at Urbana-Champaign, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); Ministry of Education Singapore
- DOE Contract Number:
- FG02-06ER46285; AC02-98CH10886
- OSTI ID:
- 1958854
- Journal Information:
- Advanced Materials, Journal Name: Advanced Materials Journal Issue: 14 Vol. 23; ISSN 0935-9648
- Publisher:
- Wiley
- Country of Publication:
- United States
- Language:
- English
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