Positron annihilation studies in Li-implanted alumina

Depth dependent Doppler broadening of annihilation radiation (DBAR) measurements are carried out for a sample of Li ion implanted in alumina. The effect of Li ion implantation and the subsequent isochronal annealing at the temperatures up to 1100 °C on the Doppler broadening annihilation parameters...

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Bibliographic Details
Published in:Journal of physics. Conference series 2015-06, Vol.618 (1), p.12017
Main Authors: Gaikwad, Prashant V, Sharma, S K, Mukherjee, S, Sudarshan, K, Maheshwari, P, Pujari, P K, Kshirsagar, A
Format: Article
Language:English
Subjects:
Aluminum oxide
Annealing
Ion implantation
Parameters
Physics
Positron annihilation
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Summary:Depth dependent Doppler broadening of annihilation radiation (DBAR) measurements are carried out for a sample of Li ion implanted in alumina. The effect of Li ion implantation and the subsequent isochronal annealing at the temperatures up to 1100 °C on the Doppler broadening annihilation parameters (S-parameter) are studied. The S-parameter around the Li implantation depth (∼191 nm) increased with annealing temperature up to 700 °C and reduced beyond. The results suggest possible Li cluster formation in annealed sample.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/618/1/012017