Search results for: TELLURITE GLASS

• Eu3+ doped tellurite glass ceramics containing SrF2 nanocrystals: Preparation, structure and luminescence properties

  Publication

  • M. Walas
  • T. Lewandowski
  • A. Synak
  • M. S. Łapiński
  • W. Sadowski
  • B. Kościelska

  - JOURNAL OF ALLOYS AND COMPOUNDS - Year 2016

  Eu3+ doped tellurite glass ceramics containing SrF2 nanocrystals were prepared using melt quenching technique and subsequent heat treatment of glass in 370 °C for different time periods. Thermal properties of glass matrix have been determined based on DSC measurements. XRD and XPS results confirmed formation of SrF2 nanocrystals in glass matrices after annealing at 370 °C. FTIR studies revealed absorption bands in the range of...

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• Luminescent properties of Ln3+ doped tellurite glasses containing AlF3

  Publication

  • M. Walas
  • A. Pastwa
  • T. Lewandowski
  • A. Synak
  • I. Gryczyński
  • W. Sadowski
  • B. Kościelska

  - OPTICAL MATERIALS - Year 2016

  The low-phonon energy tellurite glasses TeO2-BaO-Bi2O3 and TeO2-BaO-Bi2O3-AlF3 triply doped with Eu3+, Tb3+, Tm3+ ions in two different molar ratios were synthesized using melt-quenching technique. Their structure and luminescence properties were widely investigated by X-ray Diffraction (XRD), Differential Scanning Calorimetry (DSC), Fourier Transform Infrared Spectroscopy (FTIR) and Photoluminescence Spectroscopy (PL). The luminescence...

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• GLASS TECHNOLOGY

  Journals

  ISSN: 0017-1050

• Glass International

  Journals

  ISSN: 0143-7836

• Tellurite based glass doped by Eu3+ ions - XPS measurements

  Open Research Data

  open access

  • M. Łapiński

  Eu3+ doped tellurite glass ceramics containing SrF2 nanocrystals were prepared using melt quenching technique and subsequent heat treatment of glass in 370 °C for different time periods. Thermal properties of glass matrix have been determined based on DSC measurements. XRD and XPS results confirmed formation of SrF2 nanocrystals in glass matrices after...

• Structure and thermoelectric properties of bismuth telluride—Carbon composites

  Publication

  • B. J. Trawiński
  • B. Bochentyn
  • N. Gostkowska
  • M. S. Łapiński
  • T. Miruszewski
  • B. Kusz

  - MATERIALS RESEARCH BULLETIN - Year 2018

  Carbon nanotubes and amorphous carbon have been introduced into a bismuth telluride matrix (0.15 and 0.30 wt.% ratio) to investigate the influence of the carbon on the composite’s thermoelectric properties. Composites with well-dispersed additives have been obtained by sonication and ball-milling methodology. Carbon nanotubes and an amorphous carbon addition led to a decrease in electric conductivity from 1120 S/cm to 77 S/cm....

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• Laser induced elastooptics in novel Bi2O3, and Pr2O3 doped tellurite rich glasses

  Publication

  • G. Lakshminarayana
  • K. Kaky
  • J. Jedryka
  • A. El-Naggar
  • A. Albassam
  • G. Myronchuk
  • M. Mahdi

  - Materials Letters - Year 2016

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• A study of the kinetics of bismuth telluride synthesis by an oxide reduction method

  Publication

  • B. J. Trawiński
  • B. Bochentyn
  • M. S. Łapiński
  • B. Kusz

  - THERMOCHIMICA ACTA - Year 2020

  The kinetics of a reduction of bismuth and tellurium oxides in a hydrogen atmosphere, leading to the formation of thermoelectric bismuth telluride is investigated. The evaluation of the reaction kinetics was based on a thermogravimetric analysis performed in non-isothermal conditions. A non-parametric analysis method and the Friedman method were used for the evaluation of the data. Additionally, for a better understanding of the...

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• Ceramics, Glass and Glass-Ceramics for Personal Radiation Detectors

  Publication

  • S. Świontek
  • M. Środa
  • W. Gieszczyk

  - Materials - Year 2021

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• Journal of Glass Studies

  Journals

  ISSN: 0075-4250