Correlation between Microstructural and Magnetic Properties of Epitaxial YIG Films by Pulsed Laser Deposition

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URI: https://hdl.handle.net/10347/46691
E-ISSN: 2470-1343
DOI: 10.1021/acsomega.5c12736

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2026-02-10

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ACS Publications
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Abstract

In this study, we investigate the relationships among film growth conditions, crystalline microstructure, and magnetic properties of epitaxial yttrium iron garnet (Y3Fe5O12, YIG) thin films, deposited on gallium gadolinium garnet (Ga3Gd5O12, GGG). A direct correlation was observed between the residual epitaxial strain, bulk magnetic properties like effective magnetization and magnetic damping, and the performance of spin-wave transmission devices based on these films. This correlation offers a pathway for a simplified, rapid assessment of YIG film quality, avoiding the need for complex time-consuming characterization techniques. In addition, we report a comprehensive investigation into the influence of pulsed-laser deposition parameters, including deposition temperature, pressure, laser fluence, frequency, and annealing conditions. Through systematic deposition optimization, state-of-the-art YIG films exhibiting ultralow magnetic damping could be obtained, which is critical for high-performance spintronic applications

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Deposition| Epitaxy| Magnetic properties| Pulsed laser deposition| Thermodynamic properties

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Costa, J. D., Claessens, N., Talmelli, G., Tierno, D., Amar, F., Devolder, T., Dekkers, M., Swerts, J., McMitchell, S. R. C., Ciubotaru, F., & Adelmann, C. (2026). Correlation between Microstructural and Magnetic Properties of Epitaxial YIG Films by Pulsed Laser Deposition. ACS omega, 11(7), 12612–12621. https://doi.org/10.1021/acsomega.5c12736

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J.D.C. acknowledges financial support from the European Union MSCA-IF Neuromag under Grant Agreement No. 793346. F.C.’s and C.A.’s contributions have been funded in part by the European Union’s Horizon 2020 research and innovation program within the FET-OPEN project CHIRON under grant agreement No. 801055. Funding for open access charge: Universidade de Santiago de Compostela/CISUG.

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This article is licensed under CC-BY 4.0
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