Studies on CdS nanoparticles dispersed in silica matrix prepared by sol-gel technique B. Bhattacharjee, S. K. Bera, D. Ganguli, S. Chaudhuri and A. K. Pal Eur. Phys. J. B, 31 1 (2003) 3-9 Published online: 27 January 2003 DOI: 10.1140/epjb/e2003-00001-3