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In this research, glass productions from rice husk ash (RHA) and the effect of BaO, CuO, MnO2 and Fe2O3 on physical and optical properties were investigated. All properties were compared with glass made from SiO2 using same preparations. The results show that a higher density and refractive index of BaO, CuO, MnO2 and Fe2O3 doped in RHA glasses were obtained, compared with SiO2 glasses. The optical...
Lithium yittrium/lanthanum borate glasses doped with Sm ion were prepared by melt quenching technique. Both glasses were studied comparatively in Sm ion local environment and its effect to luminescence properties. XANES indicated that Sm ions in both glasses act as Sm3+ similar as original in Sm2O3 powder. EXFAS result showed that Sm3+ in both glasses are surrounded with first shell neighbor by six...
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