Observation of the photoinduced anomalous Hall effect in GaN-based heterostructures

C. M. Yin, N. Tang, S. Zhang, J. X. Duan, F. J. Xu, J. Song, F. H. Mei, X. Q. Wang, B. Shen, Y. H. Chen, J. L. Yu, H. Ma

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23 Citations (Scopus)

Abstract

The photocurrent has been measured in Al0.25 Ga0.75 N/GaN heterostructures at room temperature, and the photoinduced anomalous Hall effect (AHE) was observed. The AHE current changes linearly with the varied longitudinal electric fields. Due to the strong Rashba spin-orbit coupling of the two-dimensional electron gas in Al0.25 Ga0.75 N/GaN heterostructures, the intrinsic anomalous Hall mechanism is supposed to contribute to the photoinduced AHE. The photoinduced AHE measurement proposed in this study could be used to other spin related measurements at room temperature.

Original languageEnglish
Article number122104
JournalApplied Physics Letters
Volume98
Issue number12
DOIs
Publication statusPublished - 21 Mar 2011
Externally publishedYes

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