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Large physisorption strain and edge modification of Pd on monolayer graphene
Haiqing Zhou1, Fang Yu, Dongsheng Tang
1National Centre for Nanoscience and Technology, Beijing 100190, China.
Nanoscale
|November 13, 2012
Abstract:
Using Raman spectroscopic studies, we firstly report that Pd film deposition can induce a tensile strain at the interface between Pd and n-layer graphenes, which results in the splitting of the G peak and a red Raman shift of the 2D peak in monolayer graphene, and red Raman shifts of G and 2D peaks for other n-layer graphenes. In particular, this kind of tensile strain can be used as an effective way for edge modification or strain engineering in monolayer graphene.

