Kaewkhao J.; Rhianphumikarakit S.; Udomkan N.
(2008)
Glasses in the system 20Na2O-Al2O3- 13B2O3-6.3CaO-0.2Sb2O3-1.5PbO 2-(58-x)SiO2-xCuO were prepared with x = 0.0, 0.2, 0.4, 0.6 and 0.8 mol% respectively. ESR absorption spectra due to Cu2+ (3d9) ions show that the ESR signal ...