Journal
JOURNAL OF APPLIED PHYSICS
Volume 97, Issue 10, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.1855460
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We report magnetic properties Of Y3Fe5O12 (YIG) films on thermally oxidized Si (100) and (Gd3Ga5O12) GGG (111) substrates. Amorphous YIG films with the cation ratio Y:Fe=3.04:4.96, deposited by rf-magnetron sputtering at room temperature in pure argon atmosphere, were crystallized by postannealing (600-900 degrees C) of amorphous films in air and in 500 ppm oxygen. While postannealed YIG films on GGG substrates were well textured, those on Si (100) were randomly oriented. High-quality YIG films could be better obtained in the reduced (500 PPM O-2) oxygen atmosphere than air since more effective YIG growth during annealing process and lower FMR linewidth (Delta H) of films could be achieved. (c) 2005 American Institute of Physics.
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