Correlation between electron irradiation defects and applied stress in carbon nanotubes: A molecular dynamics study

Yasuda, Masaaki; Chihara, Yoshinori; Tada, Kazuhiro; Kawata, Hiroaki; Hirai, Yoshihiko

doi:10.1116/1.4823760

Cited by 3 publications

(2 citation statements)

References 26 publications

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“…We have reported the changes of the mechanical properties of electron-irradiated SWCNTs [17]. We also studied the correlation between electron irradiation defects and applied stress in SWCNTs [18].…”

Section: Introductionmentioning

confidence: 99%

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Interaction volume of electron beam in carbon nanomaterials: A molecular dynamics study

et al. 2014

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A molecular dynamics (MD) simulation was performed to study the interaction volume of electron beam in carbon nanomaterials. The interaction between incident electron and carbon atom in the target materials during electron irradiation is introduced by the relativistic binary collision theory. The motion of each atom in the material under electron irradiation is calculated with the MD simulation. The primary energy dependence of the interaction volume in the carbon nanotube and the multi-layered graphene are studied. The secondary damages caused by the knock-on atoms are also discussed.

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Section: Introductionmentioning

confidence: 99%

“…Figure 1 shows the simulation model. The electron irradiation effects are introduced using a previously reported model [16,18]. The collision carbon atom is randomly selected in the carbon nanomaterials.…”

Section: Introductionmentioning

confidence: 99%

Interaction volume of electron beam in carbon nanomaterials: A molecular dynamics study

et al. 2014

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What promotes derected self assembly (DSA)?

Nakagawa

2016

Nuclear Instruments and Methods in Physics Research Section B:

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Correlation between electron-irradiation defects and applied stress in graphene: A molecular dynamics study

Kida

Yamamoto

Tada

et al. 2015

Journal of Vacuum Science &Amp; Technology A: Vacuum, Surfaces, and Films

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Molecular dynamics (MD) simulations are performed to study the correlation between electron irradiation defects and applied stress in graphene. The electron irradiation effect is introduced by the binary collision model in the MD simulation. By applying a tensile stress to graphene, the number of adatom-vacancy (AV) and Stone–Wales (SW) defects increase under electron irradiation, while the number of single-vacancy defects is not noticeably affected by the applied stress. Both the activation and formation energies of an AV defect and the activation energy of an SW defect decrease when a tensile stress is applied to graphene. Applying tensile stress also relaxes the compression stress associated with SW defect formation. These effects induced by the applied stress cause the increase in AV and SW defect formation under electron irradiation.

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Correlation between electron irradiation defects and applied stress in carbon nanotubes: A molecular dynamics study

Cited by 3 publications

References 26 publications

Interaction volume of electron beam in carbon nanomaterials: A molecular dynamics study

Interaction volume of electron beam in carbon nanomaterials: A molecular dynamics study

What promotes derected self assembly (DSA)?

Correlation between electron-irradiation defects and applied stress in graphene: A molecular dynamics study

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