The role of iron in magnetic damping of Mg(Al,Fe)2O4 spinel ferrite thin films

We have investigated magnesium aluminum ferrite thin films with a range of iron concentrations and identified the optimal iron content to obtain high crystalline quality thin films with the low magnetic damping required for spin current-based applications. Epitaxial MgAl 2 − x FexO4 films with 0.8 &...

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Veröffentlicht in:	Applied physics letters 2020-04, Vol.116 (14)
Hauptverfasser:	Wisser, Jacob J., Riddiford, Lauren J., Altman, Aaron, Li, Peng, Emori, Satoru, Shafer, Padraic, Klewe, Christoph, N'Diaye, Alpha T., Arenholz, Elke, Suzuki, Yuri
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum Applied physics Cations CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY Crystal structure Dichroism Ferrites Ferromagnetic materials Ferromagnetic resonance Iron low damping Magnesium Magnetic damping magnetic insulator Magnetic moments Magnetization curves MATERIALS SCIENCE Pulsed laser deposition Pulsed lasers Room temperature Single crystals spin current Spintronics Substrates Temperature dependence Thin films
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Zusammenfassung:	We have investigated magnesium aluminum ferrite thin films with a range of iron concentrations and identified the optimal iron content to obtain high crystalline quality thin films with the low magnetic damping required for spin current-based applications. Epitaxial MgAl 2 − x FexO4 films with 0.8 < x
ISSN:	0003-6951 1077-3118
DOI:	10.1063/5.0003628