<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>A series of undoped borate glasses: Li2B4O7, LiKB4O7, LiB3O5, SrB4O7, and LiCaBO3 of high optical quality and chemical purity were obtained from the corresponding polycrystalline compounds using standard glass synthesis under technological conditions developed by the authors. The glasses were obtained by rapid cooling of molten crystalline material, which was heated to 100 K above the melting point to prevent crystallization and to exceed the glass transition point. The X-ray diffraction intensity profiles of the investigated glasses were typical of glassy compounds. The most typical intensity profile, consisting of almost symmetrical peaks, was observed in the case of Li2B4O7 and LiB3O5. Substitution and partial substitution of Li atoms by Sr and Ca atoms was accompanied by significant changes in the intensity profiles of the investigated glasses. Pair correlation functions and structural parameters (average interatomic distances and coordination number to oxygen) of the investigated glasses were evaluated and analyzed. Structural peculiarities of the investigated borate glasses are discussed in comparison with structural data available for their crystalline analogs.</p></abstract>

A series of undoped borate glasses: Li2B4O7, LiKB4O7, LiB3O5, SrB4O7, and LiCaBO3 of high optical quality and chemical purity were obtained from the corresponding polycrystalline compounds using standard glass synthesis under technological conditions developed by the authors. The glasses were obtained by rapid cooling of molten crystalline material, which was heated to 100 K above the melting point to prevent crystallization and to exceed the glass transition point. The X-ray diffraction intensity profiles of the investigated glasses were typical of glassy compounds. The most typical intensity profile, consisting of almost symmetrical peaks, was observed in the case of Li2B4O7 and LiB3O5. Substitution and partial substitution of Li atoms by Sr and Ca atoms was accompanied by significant changes in the intensity profiles of the investigated glasses. Pair correlation functions and structural parameters (average interatomic distances and coordination number to oxygen) of the investigated glasses were evaluated and analyzed. Structural peculiarities of the investigated borate glasses are discussed in comparison with structural data available for their crystalline analogs.

Synthesis and X-ray structural investigation of undoped borate glasses

Institute of Physical Optics, Dragomanova Str. 23, 79-005, Lviv, Ukraine

Institute of Physics, Division of Spectroscopy of Functional Materials, University of Zielona Góra, Szafrana Str. 4a, 65-516, Zielona Góra, Poland

Department of Physics, Ivan Franko National University of Lviv, Kyryla & Mefodiya Str. 6, 79-005, Lviv, Ukraine

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Synthesis and X-ray structural investigation of undoped borate glasses"}

A series of undoped borate glasses: Li2B4O7, LiKB4O7, LiB3O5, SrB4O7, and LiCaBO3 of high optical quality and chemical purity were obtained from the...

Synthesis and X-ray structural investigation of undoped borate glasses

Publié en ligne: 14 sept. 2012

Pages: 264 - 273

DOI: https://doi.org/10.2478/s13536-012-0032-1

Mots clés
borate glasses, fabrication, X-ray diffraction, intensity curves, pair correlation functions

© 2012 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Synthesis and X-ray structural investigation of undoped borate glasses

Publié en ligne: 14 sept. 2012

Pages: 264 - 273

DOI: https://doi.org/10.2478/s13536-012-0032-1

Mots clésborate glasses, fabrication, X-ray diffraction, intensity curves, pair correlation functions

© 2012 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
borate glasses, fabrication, X-ray diffraction, intensity curves, pair correlation functions