Raman Spectroscopy of Graphene and Bilayer under Biaxial Strain: Bubbles and Balloons

被引：454

作者：

Zabel, Jakob ^{[1
]}

Nair, Rahul R. ^{[2
]}

Ott, Anna ^{[1
]}

Georgiou, Thanasis ^{[2
]}

Geim, Andre K. ^{[2
]}

Novoselov, Kostya S. ^{[2
]}

Casiraghi, Cinzia ^{[1
,3
,4
]}

机构：

[1] Free Univ Berlin, Dept Phys, Berlin, Germany

[2] Univ Manchester, Dept Phys & Astron, Manchester, Lancs, England

[3] Univ Manchester, Sch Chem, Manchester, Lancs, England

[4] Univ Manchester, Photon Sci Inst, Manchester, Lancs, England

来源：

NANO LETTERS | 2012年 / 12卷 / 02期

关键词：

Graphene; bilayer; Raman spectroscopy; strain; Gruneisen parameters; stacking; BALLISTIC TRANSPORT;

D O I：

10.1021/nl203359n

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We use graphene bubbles to study the Raman spectrum of graphene under biaxial (e.g., isotropic) strain. Our Gruneisen parameters are in excellent agreement with the theoretical values. Discrepancy in the previously reported values is attributed to the interaction of graphene with the substrate. Bilayer balloons (intentionally pressurized membranes) have been used to avoid the effect of the substrate and to study the dependence of strain on the interlayer interactions.

引用

页码：617 / 621

页数：5

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