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Positron lifetimes in quenched Al+0.09 at.−% Mn crystals

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Abstract

Measurements of positron lifetimes in quenched aluminum +0.09 at.−% Mn single crystals reveal the existence of a long-lived component whose lifetime and intensity increases and decreases with increasing temperature, respectively. The component is attributed to the annihilation of positrons at voids in the sample formed during quenching.

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Author information

Authors and Affiliations

  1. Physics Department, New York University, 10003, New York, N.Y., USA

    L. J. Cheng

  2. Physics Department, State University of New York at Albany, 12222, Albany, N.Y., USA

    L. J. Cheng

  3. Chalk River Nuclear Laboratories, Atomic Energy of Canada Ltd, Chalk River, Ontario, Canada

    M. L. Swanson

Authors
  1. L. J. Cheng
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  2. M. L. Swanson
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Additional information

Supported by the National Science Foundation of USA.

Present address and supported by the Office of Naval Research of USA under contract N 00014-90-0296.

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Cheng, L.J., Swanson, M.L. Positron lifetimes in quenched Al+0.09 at.−% Mn crystals. Appl. Phys. 6, 273–275 (1975). https://doi.org/10.1007/BF00883763

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  • DOI: https://doi.org/10.1007/BF00883763

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