Mechanical characterization of nanoindented graphene via molecular dynamics simulations

被引：0
作者：
Te-Hua Fang
Tong Hong Wang
Jhih-Chin Yang
Yu-Jen Hsiao
机构：
[1] National Kaohsiung University of Applied Sciences,Department of Mechanical Engineering
[2] Advanced Semiconductor Engineering,Central Product Solutions
[3] Inc.,Institute of Mechanical and Electromechanical Engineering
[4] National Formosa University,undefined
[5] National Nano Device Laboratories,undefined
来源：
Nanoscale Research Letters | / 6卷
关键词：
molecular dynamics; nanoindentation; graphene; mechanical properties;
D O I：
暂无
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学科分类号：
摘要：
The mechanical behavior of graphene under various indentation depths, velocities, and temperatures is studied using molecular dynamics analysis. The results show that the load, elastic and plastic energies, and relaxation force increased with increasing indentation depth and velocity. Nanoindentation induced pile ups and corrugations of the graphene. Resistance to deformation decreased at higher temperature. Strong adhesion caused topological defects and vacancies during the unloading process.
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[1]  
Lijima S(1991)Helical microtubules of graphitic carbon Nature 354 56-undefined
[2]  
Kong J(2001)Functionalized carbon nanotubes for molecular hydrogen sensors Adv Mater 13 1384-undefined
[3]  
Chapline MG(2007)Graphenes as potential material for electronics Chem Rev 107 718-undefined
[4]  
Dai H(2005)Two-dimensional gas of massless Dirac fermions in graphene Nature 438 197-undefined
[5]  
Wu J(2005)Experimental observation of the quantum Hall effect and Berry's phase in graphene Nature 438 201-undefined
[6]  
Pisula W(2005)Two-dimensional atomic crystals Proc Natl Acad Sci USA 102 10451-undefined
[7]  
Müllen K(2004)Electric field effect in atomically thin carbon films Science 306 666-undefined
[8]  
Novoselov KS(2007)Functionalized single graphene sheets derived from splitting graphite oxide J Phys Chem B 110 8535-undefined
[9]  
Geim AK(2004)Ultrathin epitaxial graphite: 2D electron gas properties and a route toward graphene-based nanoelectronics J Phys Chem B 108 19912-undefined
[10]  
Morozov SV(1988)Empirical interatomic potential for carbon, with applications to amorphous carbon Phys Rev Lett 61 2879-undefined
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