Current-Induced Switching of Domains in Magnetic Multilayer Devices-Reference-Cited by-同舟云学术

Current-Induced Switching of Domains in Magnetic Multilayer Devices

Published:1999-08-06 Issue:5429 Volume:285 Page:867-870
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Myers E. B.¹,Ralph D. C.¹,Katine J. A.²,Louie R. N.²,Buhrman R. A.²

Affiliation:

1. Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, NY 14853, USA.

2. School of Applied and Engineering Physics, Cornell University, Ithaca, NY 14853, USA.

Abstract

Current-induced switching in the orientation of magnetic moments is observed in cobalt/copper/cobalt sandwich structures, for currents flowing perpendicularly through the layers. Magnetic domains in adjacent cobalt layers can be manipulated controllably between stable parallel and antiparallel configurations by applying current pulses of the appropriate sign. The observations are in accord with predictions that a spin-polarized current exerts a torque at the interface between a magnetic and nonmagnetic metal, due to local exchange interactions between conduction electrons and the magnetic moments.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference19 articles.

1. For reviews of the science and applications of GMR materials see the collection of articles in IBM J. Res. Dev. 42 (January 1998). (available electronically at www.research.ibm.com/journal/rd42-1.html)

2. Current-driven excitation of magnetic multilayers

3. Emission of spin waves by a magnetic multilayer traversed by a current

4. Ya.

5. Bazaliy B. Jones B. A. Zhang S.-C. 57 R3213 (1998).

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