期刊
SCIENCE
卷 327, 期 5969, 页码 1106-1110出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1184028
关键词
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资金
- France-U. K. Partenariat Hubert Curien Alliance program
- French Reseau Thematique de Recherche Avancee Triangle de la Physique
- European Union (EU)
- U. K. Engineering and Physical Sciences Research Council [EP/E026206/I]
- French C-Nano Ile de France
- French Agence Nationale de la Recherche (ANR) Oxitronics
- French ANR Alicante
- European Enabling Science and Technology
- French Microscopie Electronique et Sonde Atomique network
- Comissionat per a Universitats i Recerca (Generalitat de Catalunya)
A current drawback of spintronics is the large power that is usually required for magnetic writing, in contrast with nanoelectronics, which relies on zero-current, gate-controlled operations. Efforts have been made to control the spin-relaxation rate, the Curie temperature, or the magnetic anisotropy with a gate voltage, but these effects are usually small and volatile. We used ferroelectric tunnel junctions with ferromagnetic electrodes to demonstrate local, large, and nonvolatile control of carrier spin polarization by electrically switching ferroelectric polarization. Our results represent a giant type of interfacial magnetoelectric coupling and suggest a low-power approach for spin-based information control.
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