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Title: A spin-filter made of quantum anomalous Hall insulator nanowires

Topological end states (TES) in quantum anomalous Hall insulator nanowires can induce tunneling within the gap. Such TES are spin polarized, thus the induced current is spin polarized as well, which can be used to construct a spin-filter applied in spintronics. An interferometry device is designed to control the polarized current as well. The advantage and finite size effect on this system are discussed.
Authors:
 [1]
  1. Department of Physics, South University of Science and Technology of China, Shenzhen (China)
Publication Date:
OSTI Identifier:
22311207
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 105; Journal Issue: 4; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; CONTROL; CURRENTS; FILTERS; INTERFEROMETRY; NANOWIRES; QUANTUM WIRES; SPIN ORIENTATION; TOPOLOGY; TUNNEL EFFECT