Journal
PHYSICAL REVIEW B
Volume 80, Issue 14, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.80.140415
Keywords
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Funding
- DOE [DE-FG03-02ER45985]
- NSF [DMR0906025]
- Welch Foundation [F-1255]
- NSFC [10740420252]
- K. C. Wong Education Foundation, Hong Kong
- China Postdoctoral Science Foundation
- Office of Naval Research [N000 14-061-0362]
- Texas Advance Computing Center
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [0906025] Funding Source: National Science Foundation
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Ferromagnet/ferroelectric/normal-metal superlattices are proposed to realize the large room-temperature magnetoelectric effect. Spin-dependent electron screening is the fundamental mechanism at the microscopic level. We also predict an electric control of magnetization in this structure. The naturally broken inversion symmetry in our tricomponent structure introduces a magnetoelectric coupling energy of PM2. Such a magnetoelectric coupling effect is general in ferromagnet/ferroelectric heterostructures, independent of particular chemical or physical bonding, and will play an important role in the field of multiferroics.
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