The effect of displacement cascades on small helium bubbles in aluminum and gold

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The evolution of individual helium bubbles in thin foils of gold and aluminum irradiated with 400 keV Ar+ and 200 keV Xe+ has been followed with in-situ transmission electron microscopy for a comparison between the effects of dilute (Al) and dense (Au) collision cascades. Bubble shrinkage in Al has been attributed to direct displacement of the gas out of the bubbles. Effects in Au, include the disappearance and Brownian motion of bubbles under irradiation, and are consistent with thermal spike processes seen in molecular dynamics simulations.

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7 p.

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Donnelly, S.E.; Valizadeh, R.; Vishnyakov, V.; Birtcher, R.C. & Templier, C. December 1, 1994.

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The evolution of individual helium bubbles in thin foils of gold and aluminum irradiated with 400 keV Ar+ and 200 keV Xe+ has been followed with in-situ transmission electron microscopy for a comparison between the effects of dilute (Al) and dense (Au) collision cascades. Bubble shrinkage in Al has been attributed to direct displacement of the gas out of the bubbles. Effects in Au, include the disappearance and Brownian motion of bubbles under irradiation, and are consistent with thermal spike processes seen in molecular dynamics simulations.

Physical Description

7 p.

Notes

OSTI as DE95007137

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  • Fall meeting of the Materials Research Society (MRS), Boston, MA (United States), 28 Nov - 9 Dec 1994

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  • Other: DE95007137
  • Report No.: ANL/MSD/CP--83461
  • Report No.: CONF-941144--147
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 71697
  • Archival Resource Key: ark:/67531/metadc711298

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  • December 1, 1994

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • June 24, 2016, 2:10 p.m.

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Donnelly, S.E.; Valizadeh, R.; Vishnyakov, V.; Birtcher, R.C. & Templier, C. The effect of displacement cascades on small helium bubbles in aluminum and gold, article, December 1, 1994; Illinois. (digital.library.unt.edu/ark:/67531/metadc711298/: accessed June 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.