Patra, Amitava and Friend, C S and Kapoor, R and Prasad, P N (2003) Effect of crystal nature on upconversion luminescence in Er3+: ZrO2 nanocrystals. Applied Physics Letters, 83 (2). pp. 284-286. ISSN 0003-6951

Kapoor, R and Friend, C S and Patra, Amitava (2003) Two-phonon excited absolute emission cross-sectional measurements calibrated with a luminescence mater. Journal of the Optical Society of America B-Opticcal Physics, 20 (7). pp. 1550-1554. ISSN 0740-3224

Patra, Amitava and Friend, C S and Kapoor, R and Prasad, P N (2003) Fluorescence upconversion properties of Er3+ doped TiO2 and BaTiO3 nanocrystallites. Chemistry of Materials, 15 (19). pp. 3650-3655. ISSN 0897-4756