نتایج جستجو برای: Bilayer graphene

تعداد نتایج: 65063  

2017
Hong Ngee Lim Nay Ming Huang Chin Hua Chia Ian Harrison

2010
Hengyi Xu T Heinzel Artsem A Shylau Igor Zozoulenko T. Heinzel I. V. Zozoulenko

Journal: :Physical review letters 2009
T Filleter J L McChesney A Bostwick E Rotenberg K V Emtsev Th Seyller K Horn R Bennewitz

We have studied friction and dissipation in single and bilayer graphene films grown epitaxially on SiC. The friction on SiC is greatly reduced by a single layer of graphene and reduced by another factor of 2 on bilayer graphene. The friction contrast between single and bilayer graphene arises from a dramatic difference in electron-phonon coupling, which we discovered by means of angle-resolved ...

2011
J Ruseckas G Juzeliunas Igor Zozoulenko J. Ruseckas I. V. Zozoulenko

2013
Pablo San-Jose Elsa Prada Nicolás Cabrera

Pablo San-Jose1 and Elsa Prada2 1Instituto de Ciencia de Materiales de Madrid (ICMM-CSIC), Cantoblanco, 28049 Madrid, Spain 2Departamento de Fı́sica de la Materia Condensada, Instituto de Ciencia de Materiales Nicolás Cabrera, Instituto de Fı́sica de la Materia Condensada, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain (Received 25 April 2013; revised manuscript received 18 July...

2012
C. Triola E. Rossi

We study the static and dynamic screening of gapped AB-stacked bilayer graphene. Unlike previous works we use the full 4-band model instead of the simplified 2-band model. We find that there are important qualitative differences between the dielectric screening function obtained using the simplified 2-band model and the 4-band model. In particular, within the 4-band model, in the presence of a ...

Journal: :Nano letters 2010
Seunghyun Lee Kyunghoon Lee Zhaohui Zhong

The discovery of electric field induced band gap opening in bilayer graphene opens a new door for making semiconducting graphene without aggressive size scaling or using expensive substrates. However, bilayer graphene samples have been limited to μm(2) size scale thus far, and synthesis of wafer scale bilayer graphene poses a tremendous challenge. Here we report homogeneous bilayer graphene fil...

2014
Wei Liu Stephan Kraemer Deblina Sarkar Hong Li Pulickel M. Ajayan Kaustav Banerjee

Bilayer graphene has attracted wide attention due to its unique band structure and bandgap tunability under specific (Bernal or AB) stacking order. However, it remains challenging to tailor the stacking order and to simultaneously produce large-scale and high-quality bilayer graphene. This work introduces a fast and reliable method of growing high-quality Bernal stacked large-area (>3 in. × 3 i...

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