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journal article·2014-10-01Open access

Pulsed laser deposition of epitaxial yttrium iron garnet films with low Gilbert damping and bulk-like magnetization

M. C. Onbasli, A. Kehlberger, D. H. Kim, G. Jakob, M. Kläui, A. V. Chumak, B. Hillebrands, C. A. Ross

APL Materials· Volume 2· Issue 10
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Source abstract

Abstract

Yttrium iron garnet (YIG, Y 3Fe5O12) films have been epitaxially grown on Gadolinium Gallium Garnet (GGG, Gd3Ga5O12) 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−3), in-plane easy axis, and damping parameters as low as 2.2 × 10−4. These high quality YIG thin films are useful in the investigation of the origins of novel magnetic phenomena and magnetization dynamics.
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Research context

Materials processing

OpenAlex topics: Magneto-Optical Properties and Applications · Diamond and Carbon-based Materials Research · Photorefractive and Nonlinear Optics

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Materials Science and Engineering, Massachusetts Institute of Technology 1 , 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA

Institute of Physics, Johannes Gutenberg-University of Mainz 2 , 55099 Mainz, Germany

Graduate School Materials Science in Mainz 3 , Staudinger Weg 9, 55128 Mainz, Germany

Fachbereich Physik and Landesforschungszentrum, OPTIMAS, Technische Universität Kaiserslautern 4 , 67663 Kaiserslautern, Germany

Funding

German Ministry for Education and Science · National Science Foundation

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