Abstract
We have investigated the effect of inclusion of two transition metal ions (TMI) on structure and optical properties of borate glass system having composition xMnO2 – yZnO – (100 – x – y) B2O3 (9 ≤ x ≤ 12, 36 ≤y ≤ 48) prepared by melt quenched route. Thermal study by using a differential scanning calorimeter (DSC) reveals that the glass transition temperature (Tg) and crystallization temperature (Tc) of the glasses increases with the increase of borate content in the system. Fourier transform infrared (FTIR) spectra indicate that inclusion of TMI produces BO3 and BO4 structural units by breaking the boroxol (B3O6) ring. The optical band gap energy estimated from ultraviolet-visible spectra shows a decreasing tendency when TMI are incorporated in the borate structure.
Highlights
Glasses are receiving considerable attention due to their unique properties like hardness, good strength, transparency and excellent corrosion resistance
We have investigated the effect of inclusion of two transition metal ions (TMI) on structure and optical properties of borate glass system having composition xMnO2 – yZnO – (100 – x – y) B2O3 (9 x 12, 36 y 48) prepared by melt quenched route
X-ray diffraction (XRD), infra-red spectroscopy (IR), differential scanning calorimetry (DSC) studies has been extensively employed over the years to investigate the structure of glasses [1,2,3,4]
Summary
Glasses are receiving considerable attention due to their unique properties like hardness, good strength, transparency and excellent corrosion resistance. The study of oxide glasses doped with transition metal ions (TMI) has received considerable attention due to their attractive combination of physical and chemical properties. TMI doped borate glasses have application in microelectronics, optical glasses and solid state laser [9,10,11]. Continued effort for the development of new glassy materials either by doping or by adding TMI, and the study of their novel properties is highly relevant due to their potential applications in various technological fields [12,13]. We report here the preparation, structural characterization and optical properties of manganese and zinc oxide containing B2O3 glass with an intention to precipitate Mn-doped ZnO crystal in the borate glass matrix, which may lead to a new composite spintronics material
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