Positron-annihilation studies of voids in neutron-irradiated aluminum single crystals
- 15 April 1974
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 9 (8) , 3321-3324
- https://doi.org/10.1103/physrevb.9.3321
Abstract
We have measured the angular correlation of positron-annihilation radiation from single crystals of aluminum in which voids had been induced by neutron irradiation. The angular-correlation curve is narrower than that for aluminum containing vacancies. The data fit well a curve computed on the assumption that the positrons are annihilated at the void surfaces. After the sample was heated to 325°C the angular-correlation curve became identical to that of normal Al.Keywords
This publication has 9 references indexed in Scilit:
- Positrons in metals with voids, vacancies and surfacesSolid State Communications, 1973
- Vacancy-formation energies in copper and silver from positron annihilationPhysics Letters A, 1973
- Investigation of point defects in equilibrium concentrations with particular reference to positron annihilation techniquesJournal of Physics F: Metal Physics, 1973
- Effect of Voids on Angular Correlation of Positron Annihilation Photons in MolybdenumNature, 1972
- Correlation of Void Size and Positron Annihilation Characteristics in Neutron-irradiated MolybdenumNature, 1972
- Vacancy-Formation Energies in Metals from Positron AnnihilationPhysical Review Letters, 1972
- The doppler-broadened annihilation lineshape as an indicator of defects in metallic latticesPhysics Letters A, 1969
- Shape of Voids in Quenched AluminumJournal of the Physics Society Japan, 1964
- Annihilation of Positrons in GasesPhysical Review B, 1957