Ion irradiation of the TiO2 polymorphs and cassiterite Lumpkin, G. R. ; Blackford, M. G. ; Smith, K. L. ; Whittle, K. R. ; Zaluzec, N. J. ; Ryan, E. A. ; Baldo, P. Abstract Publication: American Mineralogist Pub Date: January 2010 DOI: 10.2138/am.2010.3329 Bibcode: 2010AmMin..95..192L