SAXS study on the morphology of etched and un-etched ion tracks in apatite A. Nadzri, D. Schauries, B. Afra, M. D. Rodriguez, P. Mota-Santiago, S. Muradoglu, A. Hawley and P. Kluth EPJ Web of Conferences, 91 (2015) 00009 Published online: 06 April 2015 DOI: 10.1051/epjconf/20159100009