English, Article edition: MIGRATION ENTHALPY OF THERMAL VACANCIES BY POSITRON SPECTROSCOPY EMAD A. BADAWI

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Bookmark: http://trove.nla.gov.au/version/83621
Physical Description
  • article
Language
  • English

Edition details

Title
  • MIGRATION ENTHALPY OF THERMAL VACANCIES BY POSITRON SPECTROSCOPY
Author
  • EMAD A. BADAWI
Physical Description
  • article
Notes
  • The trapping of positrons at vacancy site in some materials provide a new and sensitive method for the equilibrium determination of point defect migration enthalpy. Data are presented for commercial AlâMg alloys and fitted to a model allowing presentation in the form of Arrhenius plots, hence the migration enthalpy $H_{iv}^m$ can be determined by positron annihilation lifetime technique (PALT). The results show that as the concentration of Mg increases the value of $H_{iv}^m$ increases too.
  • Lifetime, migration enthalpy, thermal vacancies, AlâMg alloys
  • RePEc:wsi:srlxxx:v:12:y:2005:i:04:p:493-498
Language
  • English
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