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Nano-porosity in GaSb induced by swift heavy ion irradiation

Kluth, P; Sullivan, James; Li, W; Weed, R; Schnohr, C. S; Giulian, R; Araujo, L. L; Lei, W; Rodriguez, M. D; Afra, B; Bierschenk, T; Ewing, R. C; Ridgway, M. C


Nano-porous structures form in GaSb after ion irradiation with 185 MeV Au ions. The porous layer formation is governed by the dominant electronic energy loss at this energy regime. The porous layer morphology differs significantly from that previously reported for low-energy, ion-irradiated GaSb. Prior to the onset of porosity, positron annihilation lifetime spectroscopy indicates the formation of small vacancy clusters in single ion impacts, while transmission electron microscopy reveals...[Show more]

CollectionsANU Research Publications
Date published: 2014-01-13
Type: Journal article
Source: Applied Physics Letters
DOI: 10.1063/1.4861747


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