[PDF] Top 20 Structural Studies of Some Borate Glasses Using Spectroscopy Technique

... x=5, 10, 15, and 20mol%), have been synthesized by conventional melt quench technique. The amorphous nature of the glass samples was confirmed by XRD measurement. The density of the samples has been measured ... See full document

... Thallium borate glasses have been studied structurally using various techniques, including 11 B, 203 Tl and 205 Tl solid-state NMR [89, 90, 93], X-ray diffraction [91, 94], neutron diffraction [94] ... See full document

... Bismuthate glasses containing alkali oxide act as ionic conductors and possess high conductivity compared to other heavy metal oxide ...bismuth borate glasses is attributed to their favorable ... See full document

... In this regard, few structural studies on binary cerium borate glasses have been done [5] [9] [12] [25]. Changing in cerium environment around boron central atoms explains the dominant role of ... See full document

... infra-red spectroscopy (IR), differential scanning calorimetry (DSC) studies has been extensively em- ployed over the years to investigate the structure of glasses ...[1-4]. Borate ... See full document

... Bismuth borate glasses doped with two alkali oxides were prepared to investigate the occurrence of mixed alkali effect in their physical and optical ...The structural investigation has been done by ... See full document

... The structural properties of glass system will be measured by XRD, FT-IR and EDX ...between borate and phosphate unit of glass. On the other hand, EDX Spectroscopy is responsible to detect the ... See full document

... contain some crystallized species which are correlated with increasing NBO concentra- ...tion. Using the advantage of the more recent NMR spectroscopy ...previous studies have been ... See full document

... The glasses of Cr 3 doped Lithium potassium borate (LKB) glasses with variable concentrations of alkali content were prepared by melt quenching ...different glasses was observed, which gives ... See full document

... [2] Wadate, Y., Hattori, T., Nishiyama, S., Fukushima, K., Igawa, N. and Noda, K. (1996) Short-Range Structural Analysis of an Oxide Glass Composed of Light and Heavy Elements: 3B2O3-2PbO Glass by X-Ray ... See full document

... Abstract: Glass samples belonging to the general formula 60B2O3- (40-x) MnO2- xMgO with x=2,4,6,8,10 mol% were prepared by the conventional melt quenching technique was studied. Characterisation of the system was ... See full document

... glass samples, t wo broad absorption bands in the wave length regions 421-436n m and 826-857n m are observed for all g lass samples. The intensity of the band shifts towards lower wavelength side then shifts higher ... See full document

... these glasses were done and physical parameters were studied. Structural properties of these glasses were analyzed through infrared spectra that were recorded between 1600cm -1 and 400cm -1 in ... See full document

... prepared glasses were sintered at 450 oC for 3 hours in order to remove internal stresses which caused during sample preparation ...the glasses were polished using a polishing machine and the ... See full document

... are associated with the amorphous nature of the materials. This relation was first proposed by Urbach to describe the absorption edge in alkali halide crystals at high absorption levels when α(ω)>10 4 cm −1 . The ... See full document

... of glasses can be determined from density and molar volume of ...the structural changes through a formation or modification process in the The oxygen packing density (OPD) also supports this ...BLK ... See full document

... Several studies were carried out to improve the properties of borate dosimeters in terms of their preparation methods, modifiers, and activator modification (Prokic 1980; Campos and Fernandes Filho 1990; ... See full document

... The glasses of erbium doped barium tellurofluoroborate were prepared in different molar concentrations using conventional melt quenching technique by ...prepared glasses are in amorphous ... See full document

... vibrational spectroscopy of IR gives useful structural information about the short and intermediate range in the glass structure (Stefan and Karabulut, 2014, Wan et ...both borate and phosphate ... See full document

... bioactive glasses may be employed as ...and borate-based glass series were synthesized for this purpose and subsequently characterized in terms of antibacterial behavior, solubility and ...cytotoxicity. ... See full document