Bibliographic Details
| Title: |
Interfacial Magnetoelectric Coupling in Tri-component Superlattices |
| Authors: |
Lee, Jaekwang, Sai, Na, Cai, Tianyi, Niu, Qian, Demkov, Alexander A. |
| Source: |
Phys. Rev. B 81, 144425 (2010) |
| Publication Year: |
2009 |
| Collection: |
Condensed Matter |
| Subject Terms: |
Condensed Matter - Materials Science |
| More Details: |
Using first-principles density functional theory, we investigate the interfacial magnetoelectric coupling in a tri-component superlattice composed of a ferromagnetic metal (FM), ferroelectric (FE), and normal metal (NM). Using Fe/FE/Pt as a model system, we show that a net and cumulative interfacial magnetization is induced in the FM metal near the FM/FE interface. A carefully analysis of the magnetic moments in Fe reveals that the interfacial magnetization is a consequence of a complex interplay of interfacial charge transfer, chemical bonding, and spin dependent electrostatic screening. The last effect is linear in the FE polarization, is switchable upon its reversal, and yields a substantial interfacial magnetoelectric coupling.
Comment: 5 pages, 6 figures |
| Document Type: |
Working Paper |
| DOI: |
10.1103/PhysRevB.81.144425 |
| Access URL: |
http://arxiv.org/abs/0912.3492 |
| Accession Number: |
edsarx.0912.3492 |
| Database: |
arXiv |
