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Local magneto-electric effects from separate areas of magnetic domains of yttrium iron garnets

✍ Scribed by Koronovskyy, Vadim ;Gorchinskii, Nikolai

Book ID
105366531
Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
204 KB
Volume
208
Category
Article
ISSN
0031-8965

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✦ Synopsis

Abstract

Magneto‐electric properties (electromagneto‐optical effect (EMOE)) of separate magnetic domains of yttrium iron garnets (YIGs) are investigated with using an optical polarimetry method. This local effect depends on the chosen point of optical scanning and changes essentially at scanning of various points of the domain. We have revealed separate sites of YIG sample where sharp changes of the electromagneto‐optical (EMO) signal concerning average value in the domain are registered. We assume that the defect area (or its vicinity) on a surface or in volume of the investigated YIG sample causes the specified changes of EMO effect value. When probing by thin laser beam various sites of the magnetic domain, it is possible to define the defects positions by EMO signal value and it can matter for applications.

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Influence of an external mechanical strain on the character of the magneto-electric effect in epitaxial films of yttrium iron garnet
✍ Koronovskyy, V. E. 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 195 KB

## 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