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Paul M. Campbell
United States Naval Research Laboratory
193Publications
36H-index
6,323Citations
Publications 189
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#1Matthew T. Dejarld (NRL: United States Naval Research Laboratory)H-Index: 1
#2Paul M. Campbell (NRL: United States Naval Research Laboratory)H-Index: 36
Last.D. K. Gaskill (NRL: United States Naval Research Laboratory)H-Index: 35
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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, Cu, Rh, Ni, Au, and Pt). The rare earth films oxidiz...
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