title: Large physisorption strain in chemical vapor deposition of graphene on copper substrates.
abstract: Graphene single layers grown by chemical vapor deposition on single crystal Cu substrates are subject to nonuniform physisorption strains that depend on the orientation of the Cu surface. The strains are revealed in Raman spectra and quantitatively interpreted by molecular dynamics (MD) simulations. An average compressive strain on the order of 0.5% is determined in graphene on Cu(111). In graphene on Cu (100), MD simulations interpret the observed highly nonuniform strains.
authors.affiliation: Physics Department, University of Northern Iowa, Cedar Falls, Iowa 50614, USA. rui.he@uni.edu
authors.forename: Rui
authors.initials: R
authors.lastname: He
authors.forename: Liuyan
authors.initials: L
authors.lastname: Zhao
authors.forename: Nicholas
authors.initials: N
authors.lastname: Petrone
authors.forename: Keun Soo
authors.initials: KS
authors.lastname: Kim
authors.forename: Michael
authors.initials: M
authors.lastname: Roth
authors.forename: James
authors.initials: J
authors.lastname: Hone
authors.forename: Philip
authors.initials: P
authors.lastname: Kim
authors.forename: Abhay
authors.initials: A
authors.lastname: Pasupathy
authors.forename: Aron
authors.initials: A
authors.lastname: Pinczuk