Dielectric properties and relaxation dynamics in PbF2-TeO2-B2O3-Eu2O3 glasses

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Abstract

Frequency and temperature dependent dielectric dispersion of 20PbF2-20TeO2-(60-x)B2O3-xEu2O3(x=0 to 2.5, mole fraction, %) glasses prepared by the melt-quenching technique were investigated in the frequency range 1 Hz-10 MHz and temperature range 313-773 K. Dielectric relaxation dynamics was analyzed based on the electric modulus behavior. Dielectric losses (tan δ) are found to be negligibly small in the temperature range 313-523 K, proving good thermal stability of the glasses. The present Eu2O3-doped oxyfluroborate glasses showed low dielectric loss at higher frequency and lower temperature, proving their suitability for nonlinear optical materials.

Original languageEnglish
Pages (from-to)2637-2645
Number of pages9
JournalTransactions of Nonferrous Metals Society of China (English Edition)
Volume25
Issue number8
DOIs
Publication statusPublished - 01-01-2015

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Geotechnical Engineering and Engineering Geology
  • Metals and Alloys
  • Materials Chemistry

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