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J Chem Phys. 2010 Dec 21;133(23):234703. doi: 10.1063/1.3518979.

Ion irradiation induced structural and electrical transition in graphene.

Author information

1
State Key Laboratory for Mesoscopic Physics, Department of Physics, Peking University, Beijing 100871, People's Republic of China.

Abstract

The relationship between the electrical properties and structure evolution of single layer graphene was studied by gradually introducing the gallium ion irradiation. Raman spectrums show a structural transition from nano-crystalline graphene to amorphous carbon as escalating the degree of disorder of the graphene sample, which is in correspondence with the electrical transition from a Boltzmann diffusion transport to a carrier hopping transport. The results show a controllable method to tune the properties of graphene.

PMID:
21186880
DOI:
10.1063/1.3518979

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