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Content Provider | IEEE Xplore Digital Library |
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Author | Myung-Beom Park Byung Jin Kim Nam-Hee Cho |
Copyright Year | 1965 |
Abstract | YIG thin films were grown by rf magnetron sputter techniques. We investigated the effect of post-deposition heat-treatment as well as various deposition parameters such as substrate materials, substrate temperature, sputter power, and sputter gas types on the crystallinity, chemical composition, microstructure and magnetic characteristics of the films. Post-deposition heat-treatment over 750/spl deg/C was applied to crystallize as-prepared amorphous films, and a strong tendency of particular crystallographic planes lying parallel to substrate surface was observed for the heat-treated film on GGG substrate. The chemical composition of the film exhibited a wide range of chemical stoichiometry depending on the oxygen fraction of the sputter gas, and in particular the compositions of the YIG and Ce:YIG films deposited in sputter gas with an oxygen fraction of 20% were Y/sub 2.88/Fe/sub 3.84/O/sub 12/ and Ce/sub 0.24/Y/sub 1.10/Fe/sub 3.50/O/sub 12/, respectively. With raising the temperature of post-deposition heat-treatment from 900/spl deg/C to 1100/spl deg/C, the surface roughness of the film on GGG substrate increased, but coercive force as well as ferromagnetic resonance line width decreased. |
Sponsorship | IEEE Magnetics Society |
Starting Page | 3049 |
Ending Page | 3051 |
Page Count | 3 |
File Size | 393035 |
File Format | |
ISSN | 00189464 |
Volume Number | 35 |
Issue Number | 5 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 1999-09-01 |
Publisher Place | U.S.A. |
Access Restriction | One Nation One Subscription (ONOS) |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Chemicals Substrates Magnetic films Amorphous magnetic materials Magnetic materials Temperature Crystallization Crystal microstructure Iron Sputtering |
Content Type | Text |
Resource Type | Article |
Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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