TY - JOUR AU - Cremades Rodríguez, Ana Isabel AU - Santos, M. T. AU - Remon, A. AU - García, J. A. AU - Dieguez, E. AU - Piqueras de Noriega, Javier PY - 1996 DO - 10.1063/1.361434 SN - 0021-8979 UR - https://hdl.handle.net/20.500.14352/58862 T2 - Journal of Applied Physics AB - Cathodoluminescence and photoluminescence of Bi_12SiO_20 and Bi_12GeO_20 samples are studied. Both kinds of samples show a dark orange central part or core. Emissions in the blue, green, and red spectral regions are observed. The 640 nm band is the... LA - eng M2 - 7186 PB - American Institute of Physics KW - Luminescence KW - Bi_14Ge_3O_12 TI - Cathodoluminescence and photoluminescence in the core region of Bi_12GeO_20 and Bi_12SiO_20 crystals TY - journal article VL - 79 ER -