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

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dielectric property
Dielectric relaxation
Dielectric properties
dielectric properties
glass
Glass
Dielectric losses
dielectric loss
temperature
Temperature
Optical materials
optical materials
melt
Quenching
Thermodynamic stability
Permittivity
thermal stability
frequency ranges
quenching
boron oxide

All Science Journal Classification (ASJC) codes

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

Cite this

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title = "Dielectric properties and relaxation dynamics in PbF2-TeO2-B2O3-Eu2O3 glasses",
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.",
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T1 - Dielectric properties and relaxation dynamics in PbF2-TeO2-B2O3-Eu2O3 glasses

AU - Wagh, Akshatha

AU - Raviprakash, Y.

AU - Kamath, Sudha D.

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AB - 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.

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