OPTICAL AND MAGNETIC PROPERTIES OF TeO2⋅ZnO⋅Li2O GLASS SYSTEM CONTAINING NATURAL Fe3O4 PARTICLES
Abstract: Natural Fe3O4
particles obtained by extracting and manual pulverizing natural iron sand, are doped
in the TeO2⋅ZnO⋅Li2O glass system by melt
quenching technique at 800 °C. X-ray diffraction spectra confirms the presence of iron
sand particles with the 33-146 nm diameters and the glassy structure.Vibrating
sample magnetometer reveals the pulverized sand
exhibits paramagnetic behaviour with magnetic susceptibility of
2.76 × 10-4 m3 kg-1. Incorporation
of the particles in the glasses changes
color, thermal stability and improve the glass formation ability through value
of Tc−Tg. Ultraviolet–visible measurements show the optical energy band gap
decreases by 1.58 eV. Meanwhile, the resonance amplitude of the electron spin
resonance spectrum decreases due to the presence of Fe3O4 particles in reducing
the unpaired electron spin. The synthesized glasses exhibit paramagnetic behavior.
Author: W. Widanartoa, M. R.
Sahar, S. K. Ghoshal, R. Arifin, M. S. Rohani
Journal Code: jpfisikagg130007
