The anisotropic magnetoresistances(AMRs)in single crystalline Co(6 nm)/SrTiO_(3)(001)heterostructures from 5 K to 300 K with the current direction setting along either Co[100]or Co[110]are investigated in this work.Th...The anisotropic magnetoresistances(AMRs)in single crystalline Co(6 nm)/SrTiO_(3)(001)heterostructures from 5 K to 300 K with the current direction setting along either Co[100]or Co[110]are investigated in this work.The anomalous(normal)AMR is observed below(above)100 K.With the current along Co[100]direction,the AMR shows negative longitudinal and positive transverse magnetoresistances at T<100 K,while the AMR is inverse with the current along Co[110].Meanwhile,the amplitude ratio between Co[110]and Co[100]is observed to be as large as 29 at 100 K.A crystal symmetry-adapted model of AMR demonstrates that interplay between the non-crystalline component and crossed AMR component results in the anomalous AMR.Our results may reveal more intriguing magneto-transport behaviors of film on SrTiO_(3)or other perovskite oxides.展开更多
基金Project supported by the National Natural Science Foundation of China(Grant Nos.12174163 and 91963201)the Program for Changjiang Scholars and Innovative Research Team in University,China(Grant No.IRT-16R35)the 111 Project,China(Grant No.B20063)。
文摘The anisotropic magnetoresistances(AMRs)in single crystalline Co(6 nm)/SrTiO_(3)(001)heterostructures from 5 K to 300 K with the current direction setting along either Co[100]or Co[110]are investigated in this work.The anomalous(normal)AMR is observed below(above)100 K.With the current along Co[100]direction,the AMR shows negative longitudinal and positive transverse magnetoresistances at T<100 K,while the AMR is inverse with the current along Co[110].Meanwhile,the amplitude ratio between Co[110]and Co[100]is observed to be as large as 29 at 100 K.A crystal symmetry-adapted model of AMR demonstrates that interplay between the non-crystalline component and crossed AMR component results in the anomalous AMR.Our results may reveal more intriguing magneto-transport behaviors of film on SrTiO_(3)or other perovskite oxides.
