Influence of an external mechanical strain on the character of the magneto-electric effect in epitaxial films of yttrium iron garnet

✍ Scribed by Koronovskyy, V. E.

• Publisher: John Wiley and Sons
• Year: 2006
• Tongue: English
• Weight: 195 KB
• Volume: 203
• Category: Article
• ISSN: 0031-8965
• DOI: 10.1002/pssa.200521142

✦ Synopsis

Abstract

Epitaxial films of yttrium iron garnet (YIG) exhibit electric‐field‐dependent magnetic properties that have been experimentally measured as a function of the applied magnetic field and as a function of strain. The laser polarimeter technique was used for researching the magneto‐electric manifestation – the electromagneto‐optical (EMO) effect. Magnetic‐field dependencies, the acquired EMO effect, testify to an influence of an external mechanical strain not only on the value of the EMO effect, but also on the character of the EMO manifestation in YIG films. These magneto‐electric properties are discussed on the basis of the model of lowering of symmetry in the crystal due to nonuniform deformations of the YIG film. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)