期刊
ADVANCED MATERIALS
卷 23, 期 14, 页码 1635-+出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201004519
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资金
- NRF-CRP [R284-000-056-281]
- Ministry of Education (Singapore) [R265-000-257-112]
- NUS YIA
- NUS cross faculty
- FRC
- NUS [C-380-003-003-001, A*STAR/MOE RP 3979908M, A*STAR 12 105 0038]
- Office of Basic Energy Sciences, U.S. Department of Energy [DE-FG02-06ER46285]
- NSLS [DE-AC02-98CH10886]
- [NRF2008NRF-CRP002-024]
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.
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