Abstract
The precision of relative positron lifetime measurements is now sufficient to observe directly changes due to lattice thermal expansion. This information is necessary for the determination of accurate vacancy formation energies from positron annihilation data obtained over a higher temperature range. Measurements have been made of the change in positron lifetime in the metals Au, Ag, Cu, and Al over the temperature range 100–300 K where there is no contribution from positron trapping at vacancies. The results are compared with theoretical calculations which take account of positron annihilations with both valence and core electrons.
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References
M.Doyama, R.R.Hasiguti: Crystal Latt. Defects4, 139 (1973)
A.Seeger: J. Phys. F.3, 248 (1973)
J.D.McGervey, W.Trifthäuser: Phys. Letters44A, 53 (1973)
B.T.A.McKee, H.C.Jamieson, A.T.Stewart: Phys. Rev. Letters31, 634 (1973)
D.B.Fraser, A.C.Hollis Hallett: Canad. J. Phys.43 193 (1965)
D.B.Fraser, A.C.Hollis Hallett: Proc. 7th Intern. Conf. Low Temp. Physics, Toronto, Ont. (University of Toronto Press), p. 689
Handbook of Tables for applied engineering science. (The Chemical Rubber Co. 1970), p. 201
P.Bhattacharyya, K.S.Singwi: Phys. Rev. Letters29, 22 (1972)
M.J.Stott, P.Kubica: To be published
F.Herman, S.Skillman:Atomic Structure Calculations (Prentice-Hall Inc. New York 1963)
R.A.Ferrell: Rev. Mod. Phys.28, 308 (1956)
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Supported by the National Research Council of Canada.
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Jamieson, H.C., McKee, B.T.A. & Stewart, A.T. Thermal expansion effects in positron lifetimes. Appl. Phys. 4, 79–82 (1974). https://doi.org/10.1007/BF00884157
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DOI: https://doi.org/10.1007/BF00884157