Abstract
This research work aims to the estimation of the effect of the addition of La2O3, by different amounts in wt. %, to the matrix of the bismuth calcium borate glass. The fast cooling procedure was used to prepare the suggested compositions. XRD was used to inspecting the internal structural phases of the prepared samples, where XRD patterns confirmed the amorphous natures of all samples. It was found that the La-additives act to increase the glass density, micro hardness, and optical absorption. While the plasma treatment using N2 acted to reduce both the relative intensity of XRD and the optical absorption.
Highlights
Though the last few decades, different glass systems doped with rare earth elements has great importance because of their special properties and potential applications in solid-state lasers, optical amplifiers and three-dimensional displays, planar waveguide, optoelectronic devices such as short wavelength lasers, sensors and, high-density frequency domain optical data storage[1,2]
La2O3 is used in the glasses fabrication to improve their optical properties for infrared adsorbingglasses that used to fabrication the lenses of the camera and telescopes
The aim of the present work is to prepare and characterize a new class of superior vitreous materials based on bismuth borate glasses co-doped with lanthanum oxide, to study optical properties and to investigate mechanical hardness of the glass system before and after plasma treatment
Summary
Though the last few decades, different glass systems doped with rare earth elements has great importance because of their special properties and potential applications in solid-state lasers, optical amplifiers and three-dimensional displays, planar waveguide, optoelectronic devices such as short wavelength lasers, sensors and, high-density frequency domain optical data storage[1,2]. By a short survey on the applications of lanthanum-based materials, it can be concluded that such materials have a widespread in optical devices. La2O3 is used in the glasses fabrication to improve their optical properties for infrared adsorbingglasses that used to fabrication the lenses of the camera and telescopes. In 1974 the French researchers at the University of Rennes had discovered types of lanthanum-based fluoride glasses called ZBLAN, which is composed of zirconium, barium, lanthanum, aluminum, and sodium
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