Paper Title:
Direct Observation of Nanostructural Fluctuation during Radiation-Induced Amorphization
  Abstract

An atomistic study of radiation-induced amorphization in the NiTi intermetallic compound was performed by using in-situ high-resolution high-voltage electron microscopy and molecular dynamics in conjunction with image simulations. Both theoretical and experimental results show that metastable nanometer-size inherent atomic clusters form and disappear during irradiation, so that a spatiotemporal fluctuation under amorphization is induced. The random formation and annihilation of such inherent nanoclusters are believed to be responsible for these fluctuations, which appear to be related to transitions between the ideal glass state and metastable, unrelaxed states in an energy-dissipative system under irradiation.

  Info
Periodical
Materials Science Forum (Volumes 561-565)
Main Theme
Edited by
Young Won Chang, Nack J. Kim and Chong Soo Lee
Pages
2021-2024
DOI
10.4028/www.scientific.net/MSF.561-565.2021
Citation
S. Watanabe, "Direct Observation of Nanostructural Fluctuation during Radiation-Induced Amorphization", Materials Science Forum, Vols. 561-565, pp. 2021-2024, 2007
Online since
October 2007
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$32.00
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