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Giant proximity exchange and valley splitting in TMDC/hBN/(Co, Ni) heterostructures

URN to cite this document:
urn:nbn:de:bvb:355-epub-413716
Zollner, Klaus ; Faria Junior, Paulo E. ; Fabian, Jaroslav
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Date of publication of this fulltext: 24 Jan 2020 08:59


Abstract

We investigate the proximity-induced exchange coupling in transition-metal dichalcogenides (TMDCs), originating from spin injector geometries composed of hexagonal boron-nitride (hBN) and ferromagnetic (FM) cobalt (Co) or nickel (Ni), from first-principles. We employ a minimal tight-binding Hamiltonian that captures the low energy bands of the TMDCs around K and K' valleys, to extract orbital, ...

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