Synthesis, Crystallization, and Dielectric Behaviour of Lead Bismuth Titanate Borosilicate Glasses with Addition of 1% La₂O₃

Abstract

Lead bismuth titanate borosilicate glasses were prepared in the glass system 65[(Pb Bi 1− )⋅TiO 3 ]-34[2SiO 2 ⋅B 2 O 3 ]-1La 2 O 3 (0.0 ≤ ≤ 1.0) doped with one mole percent of La 2 O 3 via conventional melt quench method. The amorphous nature of glass samples in this glass system is confirmed by using X-ray diffraction (XRD) study. Differential thermal analysis (DTA) has been employed to determine the glass transition temperature, , as well as crystallization temperature, . DTA measurements were recorded in temperature range from 30 to 1200 ∘ C. The prepared glasses were crystallized by regulated controlled heat treatment process on the basis of their DTA results. These samples are carried out for XRD measurements in the 2 range from 20 to 80 ∘ to study the crystallization behaviour and phase formation of the glass ceramic samples. The scanning electron microscopy (SEM) of these glass ceramic samples has been carried out to explore the morphology through nucleation and growth of the crystallites in the glassy matrix. The values of dielectric constant as well as dielectric loss were increased with increasing the temperature within the frequency range from 20 Hz to 100 Hz. The addition of 1 mol% of La 2 O 3 to the lead bismuth titanate glasses enhances the crystallization and acts as donor dopant for this glass system.

Synthesis and characterization of [BaO-(10-x)ZrO2-TiO2-SiO2-xCrO3] type glass and glass ceramics

“…Thus, the properties of produced glass ceramics are better than that of the parent glasses in many aspects. Numerous studies revealed that the structural, optical, and dielectric properties of various types of glassy compounds varied with the concentration of used additives [9][10][11][12][13][14][15][16][17][18][19].…”

“…Gautam et al investigated a new perovskite (Ba,Sr)TiO 3 borosilicate glassy system doped with La 2 O 3 in which they studied their structural and optical properties using various spectroscopy techniques [26,27]. Recently, Gautam et al reported numerous optical, and dielectric properties of different glass and glass ceramic compounds doped with different additives [19,28,29]. Kaur et al have reported the influence of modifiers strength on various physical, optical, structural, and mechanical properties of AO-SiO 2 -B 2 O 3 -La 2 O 3, (A = Mg, Ca, Sr, Ba) the glasses [30].…”

Fabrication of lead-bismuth titanate borosilicate glass ceramics and dielectric characteristics doped with GNPs

“…They also reported a spontaneous distortion within crystal grains of transparent PbTiO 3 GCs that precipitated in a glassy compound PbO-TiO 2 -Al 2 O 3 -SiO 2 . Literature showed various information are accessible on lead titanate glasses [27][28][29][30][31][32][33][34][35][36][37].…”

Synthesis, structural and X-ray absorption spectroscopy of (PbxBi1-x).TiO3borosilicate glass and glass ceramics

“…Yadav et al investigated new perovskite glass and glass ceramic synthesis for high energy storage applications [13,14]. More recently, optical and electrical properties of (Pb x Bi 1-x ).TiO 3 borosilicate glass and glass ceramic systems were extensively reported by Gautam et al [15][16][17][18].…”