Abstract
The pseudopotential picture of the positron in a binary alloy is developed. It is shown that the positron is usually preferentially attracted to one sort of atom in the alloy. This relative positron affinity is associated with the positron pseudopotential difference between the different sorts of atom and calculations of this quantity are presented for a number of 50 at % alloys.
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References
B.T.A.McKee, W.Triftshäuser, A.T.Stewart: Phys. Rev. Letters28, 358 (1972)
C.H.Hodges: Phys. Rev. Letters25, 284 (1970)
P.Kubica, M.J.Stott, A.T.Stewart: Appl. Phys.
Work presented at the Positron Annihilation Conference, Kingston (1971) Paper 1.153
These values were calculated in the manner of C.H.Hodges, M.J.Stott: Phys. Rev.B 7, 73 (1973)
These values were taken from C.H.Hodges, M.J.Stott: Phil. Mag.26, 375 (1972), apart from those for AgAu which were calculated in the manner of [5]
C.H.Hodges, M.J.Stott: Phil. Mag.26, 375 (1972)
J.E.Inglesfield: J. Phys.2, 878 (1972)
These values forE corr were taken from [5]
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This work was supported by the National Research Council of Canada
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Stott, M.J., Stewart, A.T. & Kubica, P. Behaviour of positrons in binary alloys. Appl. Phys. 4, 213–215 (1974). https://doi.org/10.1007/BF00884231
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DOI: https://doi.org/10.1007/BF00884231