Photoluminescence, thermoluminescence and electron spin resonance studies on 'EU' POT. 3+' doped 'CA' IND. 3''AL' IND. 2''O IND. 6' red phosphors - Singh, V; Rao, T. K. Gundu; Lee, I. J.; Watanabe, Shigueo (APPLIED PHYSICS B, 2011)