Structural properties of nano-porous GaSb prepared by swift heavy-ion irradiation

C. Notthoff*, P. Mota-Santiago, A. Hadley, U. H. Hossain, S. Jordan, C. Glover, S. Mudie, P. Kluth

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    5 Citations (Scopus)


    We are investigating the structural and optical properties of nano-porous GaSb formed by swift heavy ion irradiation using a combination of high resolution structural characterization techniques including synchrotron based small- and wide-angle X-ray scattering (SAXS/WAXS) and extended X-ray absorption fine structure (EXAFS), as well as optical measurements like Raman and Fourier transform infrared spectroscopy. In contrast to nano-porous GaSb prepared by low energy ion irradiation, the swift heavy ion irradiated samples do not show any sign of homo-polar bonding typical for amorphous materials in EXAFS measurements despite the observed significant structural disorder. Furthermore, X-ray diffraction and Raman-spectroscopy reveal the presence of small (<10 nm) crystallites inside the pore walls.

    Original languageEnglish
    Pages (from-to)126-132
    Number of pages7
    JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
    Publication statusPublished - 15 Nov 2018


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