Strong Schottky barrier reduction at Au-catalyst/GaAs-nanowire interfaces by electric dipole formation and Fermi-level unpinning

Dmitry B. Suyatin,  Vishal Jain,  Valery A. Nebol’sin,  Johanna Trägårdh,  Maria E. Messing, Jakob B. Wagner,  Olof Persson,  Rainer Timm,  Anders Mikkelsen,  Ivan Maximov,  Lars Samuelson  & Håkan Pettersson
Nature Communications 5, Article number: 3221 doi:10.1038/ncomms4221
Received 31 August 2013 Accepted 08 January 2014 Published 03 February 2014