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Proceedings Paper

Modification of pulsed laser deposited yttrium iron garnet thin films by post-deposition annealing procedures
Author(s): Mihaela E. Koleva; Rumen I. Tomov; Peter A. Atanasov; Orlin I. Vankov; Naiden I. Mihailov
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Paper Abstract

Yttrium iron garnet (YIG) thin films were grown on (0001) sapphire substrates using pulsed laser deposition (PLD) technique with a XeCl excimer laser. The as-deposited films were amorphous and diamagnetic. Two kind of annealing procedures were carried out to modify the properties of garnet films. The structural, morphological, and magnetic behavior of YIG films treated by laser-magnetic field or annealed at temperature close to the melting point for 24 h were studied and compared. Polycrystalline films with flat surface, small grain size, and low droplet contamination were produced. The films exhibit soft magnetic properties, where easy axis of magnetization lies in the film plane. The high values of perpendicular magnetic anisotropy were registered.

Paper Details

Date Published: 4 November 2003
PDF: 5 pages
Proc. SPIE 5226, 12th International School on Quantum Electronics: Laser Physics and Applications, (4 November 2003); doi: 10.1117/12.519515
Show Author Affiliations
Mihaela E. Koleva, Institute of Electronics (Bulgaria)
Rumen I. Tomov, Institute of Electronics (Bulgaria)
Peter A. Atanasov, Institute of Electronics (Bulgaria)
Orlin I. Vankov, Institute of Electronics (Bulgaria)
Naiden I. Mihailov, Institute of Electronics (Bulgaria)

Published in SPIE Proceedings Vol. 5226:
12th International School on Quantum Electronics: Laser Physics and Applications
Peter A. Atanasov; Alexander A. Serafetinides; Ivan N. Kolev, Editor(s)

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