Surface potential and thin film quality of low work function metals on epitaxial graphene
Abstract
Metal films deposited on graphene are known to influence its electronic properties, but little is known about graphene’s interactions with very low work function rare earth metals. Here we report on the work functions of a wide range of metals deposited on n-type epitaxial graphene (EG) as measured by Kelvin Probe Force Microscopy (KPFM). We compare the behaviors of rare earth metals (Pr, Eu, Er, Yb, and Y) with commonly used noble metals (Cr,...
Paper Details
Title
Surface potential and thin film quality of low work function metals on epitaxial graphene
Published Date
Nov 7, 2018
Journal
Volume
8
Issue
1
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