Influence of pre-exsiting surface defects on the vibrational properties of Ag nanowires

Haifei Zhan, Yuantong Gu, Prasad K. D. V. Yarlagadda, Cheng Yan

Research output: Chapter in Book / Conference PaperConference Paperpeer-review

1 Citation (Scopus)

Abstract

![CDATA[Large-scale molecular dynamics simulations are performed to characterize the effects of pre-existing surface defects on the vibrational properties of Ag nanowires. It is found that the first order natural frequency of the nanowire appears insensitive to different surface defects, indicating a defect insensitivity property of the nanowire's Young's modulus. In the meanwhile, an increase of the quality (Q)-factor is observed due to the presence of defects. Particular, a beat phenomenon is observed for the nanowire with the presence of a surface edge defect, which is driven by a single actuation. It is concluded that different surface defects could act as an effective mean to tune the vibrational properties of nanowires. This study sheds lights on the better understanding of nanowire's mechanical performance when surface defects are presented, which would benefit the development of nanowire-based devices.]]
Original languageEnglish
Title of host publicationProceedings of the 2012 12th IEEE Conference on Nanotechnology (IEEE NANO), 20-23 August 2012, International Convention Centre, Birmingham, UK
PublisherIEEE
Pages136-140
Number of pages5
ISBN (Print)9781467321983
DOIs
Publication statusPublished - 2012
EventIEEE International Conference on Nanotechnology -
Duration: 20 Aug 2012 → …

Publication series

Name
ISSN (Print)1944-9399

Conference

ConferenceIEEE International Conference on Nanotechnology
Period20/08/12 → …

Keywords

  • Young's modulus
  • defects
  • mechanical properties
  • molecular dynamics
  • nanotechnology
  • nanowires
  • vibration

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