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We report an investigation of anisotropic magnetoresistance (AMR) andanomalous Hall resistance (AHR) of Rh and Pt thin films sputtered on epitaxialY$_3$Fe$_5$O$_{12}$ (YIG) ferromagnetic insulator films. For the Pt/YIG hybrid,large spin-Hall magnetoresistance (SMR) along with a sizable conventionalanisotropic magnetoresistance (CAMR) and a nontrivial temperature dependence ofAHR were observed in the temperature range of 5-300 K. In contrast, a reducedSMR with negligible CAMR and AHR was found in Rh/YIG hybrid. Since CAMR and AHRare characteristics for all ferromagnetic metals, our results suggest that thePt is likely magnetized by YIG due to the magnetic proximity effect (MPE) whileRh remains free of MPE. Thus the Rh/YIG hybrid could be an ideal model systemto explore physics and devices associated with pure spin current.

Pure spin-Hall magnetoresistance in Rh/Y3Fe5O12 hybrid