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Título

Chemical solution synthesis and ferromagnetic resonance of epitaxial thin films of yttrium iron garnet

AutorLucas, I. CSIC ORCID; Jiménez-Cavero, Pilar CSIC ORCID; Vila-Fungueiriño, José M.; Magén, César ; Sangiao, S. CSIC ORCID; Teresa, José María de CSIC ORCID ; Morellón, Luis CSIC ORCID; Rivadulla, Francisco
Fecha de publicación2017
EditorAmerican Physical Society
CitaciónPhysical Review Materials 1(7): 074407 (2017)
ResumenWe report the fabrication of epitaxial Y3Fe5O12 (YIG) thin films on Gd3Ga5O12 (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 Fe3+ 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 del editorhttps://doi.org/10.1103/PhysRevMaterials.1.074407
URIhttp://hdl.handle.net/10261/181819
DOI10.1103/PhysRevMaterials.1.074407
E-ISSN2475-9953
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