Nonlinear damping in graphene resonators

被引：79

作者：

Croy, Alexander ^{[1
]}

Midtvedt, Daniel ^{[1
]}

Isacsson, Andreas ^{[1
]}

Kinaret, Jari M. ^{[1
]}

机构：

[1] Chalmers Univ Technol, Dept Appl Phys, S-41296 Gothenburg, Sweden

来源：

PHYSICAL REVIEW B | 2012年 / 86卷 / 23期

基金：

瑞典研究理事会;

关键词：

D O I：

10.1103/PhysRevB.86.235435

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Based on a continuum mechanical model for single-layer graphene, we propose and analyze a microscopic mechanism for dissipation in nanoelectromechanical graphene resonators. We find that coupling between flexural modes and in-plane phonons leads to linear and nonlinear damping of out-of-plane vibrations. By tuning external parameters such as bias and ac voltages, one can cross over from a linear-to a nonlinear-damping dominated regime. We discuss the behavior of the effective quality factor in this context. DOI: 10.1103/PhysRevB.86.235435

引用

页数：9

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