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| Naji, M. |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Casati, R. |
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| Azam, Siraj |
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| Azevedo, Nuno Monteiro |
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Klein, Olivier
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Publications (7/7 displayed)
- 2021Enhancement of YIG|Pt spin conductance by local Joule annealingcitations
- 2020Enhancement of YIG$|$Pt spin conductance by local Joule annealing
- 2018Electrical properties of single crystal Yttrium Iron Garnet ultra-thin films at high temperaturescitations
- 2018Temperature Dependence of Magnetic Properties of an 18-nm-thick YIG Film Grown by Liquid Phase Epitaxy: Effect of a Pt Overlayercitations
- 2016Generation of coherent spin-wave modes in yttrium iron garnet microdiscs by spin–orbit torquecitations
- 2016Generation of coherent spin-wave modes in Yttrium Iron Garnet microdiscs by spin-orbit torquecitations
- 2014Measurement of the intrinsic damping constant in individual nanodisks of Y3Fe5O12 and Y3Fe5O12|Ptcitations
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article
Temperature Dependence of Magnetic Properties of an 18-nm-thick YIG Film Grown by Liquid Phase Epitaxy: Effect of a Pt Overlayer
Abstract
Liquid phase epitaxy of an 18 nm thick Yttrium Iron garnet (YIG) film is achieved. Its magnetic properties are investigated in the 100 – 400 K temperature range, as well as the influence of a 3 nm thick Pt overlayer on them. The saturation magnetization and the magnetocrystalline cubic anisotropy of the bare YIG film behave similarly to bulk YIG. A damping parameter of only a few $10^{-4}$ is measured, together with a low inhomogeneous contribution to the ferromagnetic resonance linewidth. The magnetic relaxation increases upon decreasing temperature, which can be partly ascribed to impurity relaxation mechanisms. While it does not change its cubic anisotropy, the Pt capping strongly affects the uniaxial perpendicular anisotropy of the YIG film, in particular at low temperatures. The interfacial coupling in the YIG/Pt heterostructure is also revealed by an increase of the linewidth, which substantially grows by lowering the temperature.