Gamma irradiation on bismuth borate glasses doped by Eu3+ ions: Structural, optical and mechanical investigations

Akshatha Wagh, Kumari Manjunath, Vinod Hegde, Sudha D. Kamath

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The research article concentrates on the effects of gamma rays [50 kGy] over Europium doped bismuth borate glass systems based on 10ZnO-5Na2O3-10Bi2O3-(75-x)B2O3-xEu2O3 (where x = 0.1, 0.3, 0.5, 1.0, 1.5), synthesized through melt-quench technique. Structural changes in the glasses after gamma irradiation were probed by measuring the basic parameter density. XRD confirmed amorphous nature of the glasses. Optical properties were investigated for their lasing behavior through spectroscopic technique UV–vis–NIR absorption. Under mechanical characterization, Vickers (Hv) indentation tests were performed with mechanical loads 1000 gf and 500 gf. A theoretical model, Makishima and Mackenzie (M-M), gave reasonable estimation of different constants of elasticity (Young's modulus (E), bulk modulus (K), shear modulus (S), Poisson's ratio (μ)).

Original languageEnglish
Pages (from-to)298-306
Number of pages9
JournalOptik
Volume160
DOIs
Publication statusPublished - 01-05-2018

Fingerprint

Borates
Bismuth
borates
bismuth
Elastic moduli
Irradiation
Ions
Glass
irradiation
glass
Europium
ions
Poisson ratio
europium
indentation
bulk modulus
Indentation
Gamma rays
lasing
Elasticity

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

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Gamma irradiation on bismuth borate glasses doped by Eu3+ ions : Structural, optical and mechanical investigations. / Wagh, Akshatha; Manjunath, Kumari; Hegde, Vinod; Kamath, Sudha D.

In: Optik, Vol. 160, 01.05.2018, p. 298-306.

Research output: Contribution to journalArticle

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