Disorder-enhanced layer Hall effect in a magnetic sandwich heterostructure
Source abstract
Abstract
The layer Hall effect is a type of Hall effect where electrons on the top and bottom layers deflect in opposite directions. In this paper, we investigate the disorder effects on the layer Hall effect in a magnetic sandwich heterostructure that supports the axion insulator and normal insulator phases. We demonstrate that the layer Hall effect in the axion insulator phase is robust against weak disorder. Most interestingly, we find that the layer Hall effect in the normal insulator phase is significantly enhanced with increasing disorder strength. Theoretically, the disorder-enhanced layer Hall effect at weak disorder is explained by using the Born approximation. Experimentally, we suggest the disorder-enhanced layer Hall effect could be detected by applying a perpendicular electric field.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Topological Materials and Phenomena · Magnetic properties of thin films · Multiferroics and related materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Physics, Hubei University, Wuhan 430062, China
School of Electronic and Information Engineering, Hubei University of Science and Technology, Xianning 437100, China
Key Laboratory of Intelligent Sensing System and Security of Ministry of Education, Hubei University, Wuhan 430062, China
Funding
National Natural Science Foundation of China · Natural Science Foundation of Hubei Province · Hubei University of Science and Technology · program of outstanding young and middle-aged scientific and technological innovation team of colleges and universities in Hubei Province
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