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Título

Control of structural and magnetic properties of polycrystalline Co2FeGe films via deposition and annealing temperatures

AutorVovk, Andrii; Bunyaev, Sergey A.; Štrichovanec, Pavel; Vovk, Nikolay R.; Postolnyi, Bogdan; Apolinario, Arlete; Pardo, J. A. CSIC ORCID; Algarabel, Pedro A. CSIC ORCID; Kakazei, Gleb N.; Araujo, João Pedro
Palabras claveThin films
Ferromagnetic resonance
Heusler alloys
Magnetostatic properties
Fecha de publicación2021
EditorMultidisciplinary Digital Publishing Institute
CitaciónNanomaterials 11(5): 1229 (2021)
ResumenThin polycrystalline Co2FeGe films with composition close to stoichiometry have been fabricated using magnetron co-sputtering technique. Effects of substrate temperature (TS) and post-deposition annealing (Ta) on structure, static and dynamic magnetic properties were systematically studied. It is shown that elevated TS (Ta) promote formation of ordered L21 crystal structure. Variation of TS (Ta) allow modification of magnetic properties in a broad range. Saturation magnetization ~920 emu/cm3 and low magnetization damping parameter α ~ 0.004 were achieved for TS = 573 K. This in combination with soft ferromagnetic properties (coercivity below 6 Oe) makes the films attractive candidates for spin-transfer torque and magnonic devices.
DescripciónThis article belongs to the Special Issue Magnetic and Magnetoelectric Nanomaterials: Synthesis, Characterization and Applications.
Versión del editorhttps://doi.org/10.3390/nano11051229
URIhttp://hdl.handle.net/10261/265581
DOIhttps://doi.org/10.3390/nano11051229
E-ISSN2079-4991
Aparece en las colecciones: (INMA) Artículos




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