Abstract
In this chapter, recent developments in the area of glass-ceramic (GC) nanocomposites for structural, photonic, and optoelectronic applications were described. These nanoglass-ceramics, doping with rare-earth (RE3+) ions or without doping, were prepared by adopting the melt-quenching technique followed by their respective heat-treatment protocol. Precursor glasses and the heat-treated nanoglass-ceramics were characterized by differential scanning calorimetry (DSC)/differential thermal analysis (DTA), X-ray diffraction, absorption and photoluminescence spectra, dielectric constant, transmission electron microscopy, selected area electron diffraction (SAED) and field emission scanning electron microscopy, hardness, etc. measurements. β-Quartz solid solution and spinel (MgAl2O4) GC nanocomposites were considered for structural applications. For photonic applications yttrium aluminum garnet (YAG, Y2Al5O12), willemite (Zn2SiO4), and oxyhalide GCs were described. Ferroelectric lithium tantalate (LiTaO3), potassium niobate (KNbO3), bismuth titanate (Bi4Ti3O12), barium bismuth titanate (BaBi4Ti4O15), and strontium bismuth tantalate (SrBi2Ta2O9) GC nanocomposites were described for optoelectronic applications. Their thermal, physical, optical, mechanical, and dielectric properties were delineated with evolution of their nanostructuring. Their applications are also described.
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