Orozco, A. ; Ogale, S. B. ; Li, Y. H. ; Fournier, P. ; Li, Eric ; Asano, H. ; Smolyaninova, V. ; Greene, R. L. ; Sharma, R. P. ; Ramesh, R. ; Venkatesan, T. (1999) Oscillatory exchange coupling and giant positive magnetoresistance in TiN/Fe3O4 superlattices Physical Review Letters, 83 (8). pp. 1680-1683. ISSN 0031-9007
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Official URL: http://prl.aps.org/abstract/PRL/v83/i8/p1680_1
Related URL: http://dx.doi.org/10.1103/PhysRevLett.83.1680
Abstract
Oscillatory exchange coupling is observed in TiN/Fe3O4 superlattices over length scales comparable to metallic superlattices. However, the strength of the coupling is almost an order of magnitude stronger than that commonly observed in metallic superlattices. In addition, a unique positive magnetoresistance effect is also seen. These observations are discussed in terms of the carrier confinement effects caused by the half metallicity of the magnetic layers.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 26878 |
| Deposited On: | 08 Dec 2010 13:02 |
| Last Modified: | 11 Jun 2011 11:27 |
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