Journal
PHYSICAL REVIEW APPLIED
Volume 2, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevApplied.2.034003
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Funding
- KAKENHI [22540346, 25247056, 25220910, 268063]
- FOM (Stichting voor Fundamenteel Onderzoek der Materie)
- ICC-IMR
- EU-RTN Spinicur
- EU-FET [InSpin 612759]
- DFG Priority Programme 1538 Spin-Caloric Transport [BA 2954/1]
- Grants-in-Aid for Scientific Research [14J08063, 26103006, 22540346, 25247056] Funding Source: KAKEN
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We formulate a theory of the ac spin Hall magnetoresistance in a bilayer system consisting of a magnetic insulator such as yttrium iron garnet and a heavy metal such as platinum. We derive expressions for the dc voltage generation based on the drift-diffusion spin model and quantum mechanical boundary condition at the interface that reveal a spin-torque ferromagnetic resonance (ST-FMR). We predict that ST-FMR experiments will reveal valuable information on the current-induced magnetization dynamics of magnetic insulators and the ac spin Hall effect.
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