Chemical solution synthesis and ferromagnetic resonance of epitaxial thin films of yttrium iron garnet
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Título: | Chemical solution synthesis and ferromagnetic resonance of epitaxial thin films of yttrium iron garnet |
Autor/a: | Lucas, Irene Jiménez-Cavero, Pilar Vila-Fungueiriño, José M. Magén, Cesar Sangiao, Soraya Teresa, José Maria de Morellón, Luis Rivadulla, Francisco |
Centro/Departamento: | Universidade de Santiago de Compostela. Centro de Investigación en Química Biolóxica e Materiais Moleculares Universidade de Santiago de Compostela. Departamento de Química Física |
Palabras chave: | Condensed Matter | Materials Physics | Thin films | Ferromagnetic resonance | |
Data: | 2017 |
Editor: | APS Physics |
Cita bibliográfica: | Lucas, I., Jiménez-Cavero, P., Vila-Fungueiriño, J., Magén, C., Sangiao, S., & de Teresa, J. et al. (2017). Chemical solution synthesis and ferromagnetic resonance of epitaxial thin films of yttrium iron garnet. Physical Review Materials, 1(7). doi: 10.1103/physrevmaterials.1.074407 |
Resumo: | We report the fabrication of epitaxial Y 3 F e 5 O 12 (YIG) thin films on G d 3 G a 5 O 12 (111) using a chemical solution method. Cubic YIG is a ferrimagnetic material at room temperature, with excellent magneto-optical properties, high electrical resistivity, and a very narrow ferromagnetic resonance, which makes it particularly suitable for applications in filters and resonators at microwave frequencies. But these properties depend on the precise stoichiometry and distribution of F e 3 + ions among the octahedral/tetrahedral sites of a complex structure, which hampered the production of high-quality YIG thin films by affordable chemical methods. Here we report the chemical solution synthesis of YIG thin films, with excellent chemical, crystalline, and magnetic homogeneity. The films show a very narrow ferromagnetic resonance (long spin relaxation time), comparable to that obtained from high-vacuum physical deposition methods. These results demonstrate that chemical methods can compete to develop nanometer-thick YIG films with the quality required for spintronic devices and other high-frequency applications |
Versión do editor: | https://doi.org/10.1103/PhysRevMaterials.1.074407 |
URI: | http://hdl.handle.net/10347/17027 |
DOI: | 10.1103/PhysRevMaterials.1.074407 |
ISSN: | 2476-0455 |
E-ISSN: | 2475-9953 |
Dereitos: | ©2017 American Physical Society |
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