Pulsed laser deposition of epitaxial yttrium iron garnet films with low Gilbert damping and bulk-like magnetization
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Ross_Pulsed laser.pdf
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1.4 MB
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Author(s)
Kehlberger, A.
Jakob, G.
Chumak, A. V.
Hillebrands, B.
Onbasli, Mehmet Cengiz
Kim, Dong hyun
Ross, Caroline A.
Klaui, M.
Date Issued
October 2014
Journal
APL Materials
Publisher
American Institute of Physics (AIP)
Citation
Onbasli, M. C., A. Kehlberger, D. H. Kim, G. Jakob, M. Klaui, A. V. Chumak, B. Hillebrands, and C. A. Ross. “Pulsed Laser Deposition of Epitaxial Yttrium Iron Garnet Films with Low Gilbert Damping and Bulk-Like Magnetization.” APL Materials 2, no. 10 (October 1, 2014): 106102.
Version
Final published version
Abstract
Yttrium iron garnet (YIG, Y [subscript 3]Fe[subscript 5]O[subscript 12]) films have been epitaxially grown on Gadolinium Gallium Garnet (GGG, Gd[subscript 3]Ga[subscript 5]O[subscript 12]) substrates with (100) orientation using pulsed laser deposition. The films were single-phase, epitaxial with the GGG substrate, and the root-mean-square surface roughness varied between 0.14 nm and 0.2 nm. Films with thicknesses ranging from 17 to 200 nm exhibited low coercivity (<2 Oe), near-bulk room temperature saturation moments (∼135 emu cm[superscript −3]), in-plane easy axis, and damping parameters as low as 2.2 × 10[superscript −4]. These high quality YIG thin films are useful in the investigation of the origins of novel magnetic phenomena and magnetization dynamics.
MIT Department
Massachusetts Institute of Technology. Department of Materials Science and Engineering
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Creative Commons Attribution 3.0 Unported licence
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DOI of Published Version
https://doi.org/10.1063/1.4896936
