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  1. No Access

    Article

    Modification of free-volume defects in the GaS2–Ga2S3–CsCl glasses

    Modification of free-volume positron trap** defects in the GaS2–Ga2S3–CsCl chalcogenide glasses was studied using positron annihilation lifetime spectroscopy and Doppler broadening of annihilation radiation met...

    H. Klym, L. Calvez, A. I. Popov in Journal of Materials Science: Materials in Electronics (2023)

  2. No Access

    Article

    Influence of NaI Additions on the Electrical, Dielectric, and Transport Properties in the GeS2–Ga2S3–NaI Glass System

    The vitreous system GeS2–Ga2S3 can incorporate a large amount of alkali salts, for example NaI, and such materials have a potential to be used as solid electrolytes for all-solid-state batteries. The present work...

    O. Bosak, A. Castro, V. Labas, V. Trnovcova… in Russian Journal of Electrochemistry (2019)

  3. No Access

    Chapter and Conference Paper

    Influence of Free Volumes on Functional Properties of Modified Chalcogenide Glasses and Oxide Ceramics

    Influences of inner free-volume structure on the functional properties of chalcogenide GeSe2-Ga2Se3 and GeS2-Ga2S3-CsCl glasses as well as oxide Cu0.4Co0.4Ni0.4Mn1.8O4 and MgO-Al2O3 ceramics caused by their modif...

    H. Klym, O. Shpotyuk, A. Ingram, L. Calvez… in Nanophysics, Nanomaterials, Interface Stud… (2017)

  4. No Access

    Article

    Heat capacities of crystalline and glassy lithium metaphosphate up to the transition region

    Heat capacity measurements have been conducted by means of DSC on both crystalline and glassy lithium metaphosphate, from room temperature up to the melting region. The heat capacity of the glass is slightly h...

    J. Rocherullé, J. Massera, H. Oudadesse… in Journal of Thermal Analysis and Calorimetry (2016)

  5. No Access

    Chapter and Conference Paper

    Structural Analysis of Ge-Ga-Se/S-CsCl Glasses and Glass-Ceramics for Application in Chalcogenide and Chalcohalide Photonics

    The current state-of-the-art of the modern photonics indicates on significant importance of glassy-like multifunctional media with improved exploitation proper-ties. For example, chalcogenide and chalcohalide ...

    Halyna Klym, A. Ingram, O. Shpotyuk, L. Calvez in Nano-Structures for Optics and Photonics (2015)

  6. No Access

    Article

    Influence of gallium and alkali halide addition on the optical and thermo–mechanical properties of GeSe2-Ga2Se3 glass

    A systematic compositional study of a new family of chalcogenide glasses, transparent from the visible range up to 16 μm has been performed. Numerous glass forming regions were explored in the GeSe2-Ga2Se3-MX sys...

    L. Calvez, P. Lucas, M. Rozé, H.L. Ma, J. Lucas, X.H. Zhang in Applied Physics A (2007)