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Temperature dependence of positron annihilation in iron and vanadium

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Abstract

The Doppler broadened lineshape is measured as a function of temperature for iron and vanadium; vacancies produce a strong trapping effect in γ-Fe, but a weak effect in V. Threshold temperaturesT t for trapping are 1280±25 and 1370±30 K. Empirical linear relationships betweenT t , self-diffusion energyQ SD and monovacancy formation energyH F1v are discussed and used to determineH F1v values for γ-Fe and V.

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Authors and Affiliations

  1. Physics Department, University of Guelph, N1G 2W1, Guelph, Ontario, Canada

    C. W. Schulte, J. L. Campbell & J. A. Jackman

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  1. C. W. Schulte
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  2. J. L. Campbell
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  3. J. A. Jackman
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Schulte, C.W., Campbell, J.L. & Jackman, J.A. Temperature dependence of positron annihilation in iron and vanadium. Appl. Phys. 16, 29–34 (1978). https://doi.org/10.1007/BF00931417

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  • DOI: https://doi.org/10.1007/BF00931417

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