Electronic structures of graphene layers on a metal foil: The effect of atomic-scale defects

Hui Yan; Cheng Cheng Liu; Ke Ke Bai; Xuejiao Wang; Mengxi Liu; Wei Yan; Lan Meng; Yanfeng Zhang; Zhongfan Liu; Rui Fen Dou; Jia Cai Nie; Yugui Yao; Lin He

doi:10.1063/1.4824206

Electronic structures of graphene layers on a metal foil: The effect of atomic-scale defects

Hui Yan, Cheng Cheng Liu, Ke Ke Bai, Xuejiao Wang, Mengxi Liu, Wei Yan, Lan Meng, Yanfeng Zhang, Zhongfan Liu, Rui Fen Dou, Jia Cai Nie, Yugui Yao, Lin He^*

^*Corresponding author for this work

School of Physics

Research output: Contribution to journal › Article › peer-review

33 Citations (Scopus)

Abstract

Here, we report a facile method to generate a high density of atomic-scale defects in graphene on metal foil and show how these defects affect the electronic structures of graphene layers. Our scanning tunneling microscope measurements, complemented by first-principles calculations, reveal that the atomic-scale defects result in both the intervalley and intravalley scattering of graphene. The Fermi velocity is reduced in the vicinity area of the defect due to the enhanced scattering.

Original language	English
Article number	143120
Journal	Applied Physics Letters
Volume	103
Issue number	14
DOIs	https://doi.org/10.1063/1.4824206
Publication status	Published - 30 Sept 2013

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10.1063/1.4824206

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abstract = "Here, we report a facile method to generate a high density of atomic-scale defects in graphene on metal foil and show how these defects affect the electronic structures of graphene layers. Our scanning tunneling microscope measurements, complemented by first-principles calculations, reveal that the atomic-scale defects result in both the intervalley and intravalley scattering of graphene. The Fermi velocity is reduced in the vicinity area of the defect due to the enhanced scattering.",

author = "Hui Yan and Liu, {Cheng Cheng} and Bai, {Ke Ke} and Xuejiao Wang and Mengxi Liu and Wei Yan and Lan Meng and Yanfeng Zhang and Zhongfan Liu and Dou, {Rui Fen} and Nie, {Jia Cai} and Yugui Yao and Lin He",

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T2 - The effect of atomic-scale defects

AU - Yan, Hui

AU - Liu, Cheng Cheng

AU - Bai, Ke Ke

AU - Wang, Xuejiao

AU - Liu, Mengxi

AU - Yan, Wei

AU - Meng, Lan

AU - Zhang, Yanfeng

AU - Liu, Zhongfan

AU - Dou, Rui Fen

AU - Nie, Jia Cai

AU - Yao, Yugui

AU - He, Lin

PY - 2013/9/30

Y1 - 2013/9/30

N2 - Here, we report a facile method to generate a high density of atomic-scale defects in graphene on metal foil and show how these defects affect the electronic structures of graphene layers. Our scanning tunneling microscope measurements, complemented by first-principles calculations, reveal that the atomic-scale defects result in both the intervalley and intravalley scattering of graphene. The Fermi velocity is reduced in the vicinity area of the defect due to the enhanced scattering.

AB - Here, we report a facile method to generate a high density of atomic-scale defects in graphene on metal foil and show how these defects affect the electronic structures of graphene layers. Our scanning tunneling microscope measurements, complemented by first-principles calculations, reveal that the atomic-scale defects result in both the intervalley and intravalley scattering of graphene. The Fermi velocity is reduced in the vicinity area of the defect due to the enhanced scattering.

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DO - 10.1063/1.4824206

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VL - 103

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 14

M1 - 143120

ER -

Electronic structures of graphene layers on a metal foil: The effect of atomic-scale defects

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