Positron annihilation in porous silicon

Itoh, Yoshiko; Murakami, Hideoki
November 1993
Applied Physics Letters;11/15/1993, Vol. 63 Issue 20, p2798
Academic Journal
Examines the positron annihilation in porous silicon made by anodization in hydrofluoric acid. Difference of the porous silicon Doppler-broadened spectrum from crystal silicon; Role of the porous structure in positronium formation; Association of the lifetimes with free positron annihilation.


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