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| Title | Control of Structural and Magnetic Properties of Polycrystalline Co2FeGe Films via Deposition and Annealing Temperatures |
| Authors |
Vovk, A.
Bunyaev, S.A. Štrichovanec, P. Vovk, N.R. Postolnyi, Bohdan Oleksandrovych Apolinario, A. Pardo, J.Á. Algarabel, P. A. Kakazei, G.N. Araujo, J.P. |
| ORCID | |
| Keywords |
thin films Heusler alloys magnetostatic properties ferromagnetic resonance |
| Type | Article |
| Date of Issue | 2021 |
| URI | https://essuir.sumdu.edu.ua/handle/123456789/99221 |
| Publisher | MDPI |
| License | Creative Commons Attribution 4.0 International License |
| Citation | Vovk, A.; Bunyaev, S.A.; Štrichovanec, P.; Vovk, N.R.; Postolnyi, B.; Apolinario, A.; Pardo, J.Á.; Algarabel, P.A.; Kakazei, G.N.; Araujo, J.P. Control of Structural and Magnetic Properties of Polycrystalline Co2FeGe Films via Deposition and Annealing Temperatures. Nanomaterials 2021, 11, 1229. https:// doi.org/10.3390/nano11051229. |
| Abstract |
Thin polycrystalline Co2FeGe films with composition close to stoichiometry have been
fabricated using magnetron co-sputtering technique. Effects of substrate temperature (TS) and postdeposition
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 ~ 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. |
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| File | Size | Format | Downloads |
|---|---|---|---|
| Vovk_ferromagnetic_resonance.pdf | 7.88 MB | Adobe PDF | 0 |
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