Determination of the Schottky barrier height of ferromagnetic contacts to few-layer phosphorene

Phosphorene, the 2D analogue of black phosphorus, is a promising material for studying spin transport due to its low spin-orbit coupling and its ½ nuclear spin, which could allow the study of hyperfine effects. In this work, the properties of permalloy (Py) and cobalt (Co) contacts to few-layer phos...

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Veröffentlicht in:Applied physics letters 2015-03, Vol.106 (10)
Hauptverfasser: Anugrah, Yoska, Robbins, Matthew C., Crowell, Paul A., Koester, Steven J.
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Crowell, Paul A.
Koester, Steven J.
description Phosphorene, the 2D analogue of black phosphorus, is a promising material for studying spin transport due to its low spin-orbit coupling and its ½ nuclear spin, which could allow the study of hyperfine effects. In this work, the properties of permalloy (Py) and cobalt (Co) contacts to few-layer phosphorene are presented. The Schottky barrier height was extracted and determined as a function of gate bias. Flat-band barrier heights, relative to the valence band edge, of 110 meV and 200 meV were determined for Py and Co, respectively. These results are important for future studies of spin transport in phosphorene.
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source AIP Journals Complete; Alma/SFX Local Collection
subjects Applied physics
Barriers
COBALT
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
DIFFUSION BARRIERS
Ferromagnetism
Ferrous alloys
HYPERFINE STRUCTURE
L-S COUPLING
LAYERS
Magnetic alloys
Nuclear spin
PERMALLOY
Phosphorene
PHOSPHORUS
SPIN
Spin-orbit interactions
Transport
VALENCE
Valence band
title Determination of the Schottky barrier height of ferromagnetic contacts to few-layer phosphorene
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