Study on fracture behavior of individual InAs nanowires using an electron-beam-drilled notch

Suji Choi; Jong Hoon Lee; Min Wook Pin; Dong Won Jang; Seong Gu Hong; Boklae Cho; Sang Jun Lee; Jong Seok Jeong; Seong Hoon Yi; Young Heon Kim

doi:10.1039/c7ra01117b

Study on fracture behavior of individual InAs nanowires using an electron-beam-drilled notch

Suji Choi, Jong Hoon Lee, Min Wook Pin, Dong Won Jang, Seong Gu Hong, Boklae Cho, Sang Jun Lee, Jong Seok Jeong, Seong Hoon Yi, Young Heon Kim

Chemical Engineering and Materials Science

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Abstract

The mechanical properties and fracture behavior of individual InAs nanowires (NWs) were investigated under uniaxial tensile loading in a transmission electron microscope. The InAs NWs exhibited elastic deformation during the tensile test till fracture and the experiments revealed a brittle fracture on the (111) plane of a zinc-blende structure. Hemi-ellipse-shaped notches with various radii of curvature, formed via a focused electron beam, were utilized to investigate the fracture behavior when there is a structural flaw at the nanometer scale. The dimensions of notches are controlled with proper understanding of electron beam irradiation on the InAs material system. The stress concentration phenomena with dependence on the notch size are demonstrated in the InAs NWs by analyzing the results from a finite element method simulation.

Original language	English (US)
Pages (from-to)	16655-16661
Number of pages	7
Journal	RSC Advances
Volume	7
Issue number	27
DOIs	https://doi.org/10.1039/c7ra01117b
State	Published - 2017

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© The Royal Society of Chemistry.

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title = "Study on fracture behavior of individual InAs nanowires using an electron-beam-drilled notch",

abstract = "The mechanical properties and fracture behavior of individual InAs nanowires (NWs) were investigated under uniaxial tensile loading in a transmission electron microscope. The InAs NWs exhibited elastic deformation during the tensile test till fracture and the experiments revealed a brittle fracture on the (111) plane of a zinc-blende structure. Hemi-ellipse-shaped notches with various radii of curvature, formed via a focused electron beam, were utilized to investigate the fracture behavior when there is a structural flaw at the nanometer scale. The dimensions of notches are controlled with proper understanding of electron beam irradiation on the InAs material system. The stress concentration phenomena with dependence on the notch size are demonstrated in the InAs NWs by analyzing the results from a finite element method simulation.",

author = "Suji Choi and Lee, {Jong Hoon} and Pin, {Min Wook} and Jang, {Dong Won} and Hong, {Seong Gu} and Boklae Cho and Lee, {Sang Jun} and Jeong, {Jong Seok} and Yi, {Seong Hoon} and Kim, {Young Heon}",

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doi = "10.1039/c7ra01117b",

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AU - Choi, Suji

AU - Lee, Jong Hoon

AU - Pin, Min Wook

AU - Jang, Dong Won

AU - Hong, Seong Gu

AU - Cho, Boklae

AU - Lee, Sang Jun

AU - Jeong, Jong Seok

AU - Yi, Seong Hoon

AU - Kim, Young Heon

PY - 2017

Y1 - 2017

N2 - The mechanical properties and fracture behavior of individual InAs nanowires (NWs) were investigated under uniaxial tensile loading in a transmission electron microscope. The InAs NWs exhibited elastic deformation during the tensile test till fracture and the experiments revealed a brittle fracture on the (111) plane of a zinc-blende structure. Hemi-ellipse-shaped notches with various radii of curvature, formed via a focused electron beam, were utilized to investigate the fracture behavior when there is a structural flaw at the nanometer scale. The dimensions of notches are controlled with proper understanding of electron beam irradiation on the InAs material system. The stress concentration phenomena with dependence on the notch size are demonstrated in the InAs NWs by analyzing the results from a finite element method simulation.

AB - The mechanical properties and fracture behavior of individual InAs nanowires (NWs) were investigated under uniaxial tensile loading in a transmission electron microscope. The InAs NWs exhibited elastic deformation during the tensile test till fracture and the experiments revealed a brittle fracture on the (111) plane of a zinc-blende structure. Hemi-ellipse-shaped notches with various radii of curvature, formed via a focused electron beam, were utilized to investigate the fracture behavior when there is a structural flaw at the nanometer scale. The dimensions of notches are controlled with proper understanding of electron beam irradiation on the InAs material system. The stress concentration phenomena with dependence on the notch size are demonstrated in the InAs NWs by analyzing the results from a finite element method simulation.

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JF - RSC Advances

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ER -

Study on fracture behavior of individual InAs nanowires using an electron-beam-drilled notch

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