Journal
PHYSICAL REVIEW LETTERS
Volume 110, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.110.067206
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Funding
- US NSF [DMR 05-20491]
- Taiwan NSC [99-2911-I-007-510]
- DOE-BES [DE-FG02-05ER46237]
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The acute magnetic proximity effects in Pt/YIG compromise the suitability of Pt as a spin current detector. We show that Au/YIG, with no anomalous Hall effect and a negligible magnetoresistance, allows the measurements of the intrinsic spin Seebeck effect with a magnitude much smaller than that in Pt/YIG. The experiment results are consistent with the spin polarized density functional calculations for Pt with a sizable and Au with a negligible magnetic moment near the interface with YIG. DOI: 10.1103/PhysRevLett.110.067206
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