Monday, October 23, 2023
HomeNanotechnologyAnomalous Corridor impact in edge-bonded monolayer graphene

Anomalous Corridor impact in edge-bonded monolayer graphene


Anomalous Corridor impact (AHE) is normally presumed to be absent in pristine graphene on account of its diamagnetism. On this work we report {that a} gate-tunable Corridor resistance Rxy may be obtained in edge-bonded monolayer graphene with out exterior magnetic subject. In a perpendicular magnetic subject, Rxy consists of a sum of two phrases: one from unusual Corridor impact and the opposite from AHE (RAHE). Plateaus of Rxy ~ 0.94 h/3e2 and RAHE ~ 0.88 h/3e2 have been noticed whereas the longitudinal resistance Rxx lower at temperature of two Okay, that are indications of quantum model of AHE. At temperature of 300 Okay, Rxx reveals a constructive, big magnetoresistance ~177% and RAHE nonetheless has a worth ~400 Ω. These observations point out the existence of a long-range ferromagnetic order in pristine graphene, which can result in new functions in pure carbon-based spintronics.



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