Characterization of metastable defects in hydrogen-implanted n-type silicon T. Sugiyama, Y. Tokuda, S. Kanazawa and M. Ishiko Eur. Phys. J. Appl. Phys., 27 1-3 (2004) 137-139 Published online: 15 July 2004 DOI: 10.1051/epjap:2004074