Search Results - "Kovalskiy, Andriy"

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  1. 1

    Thermodynamic heat-transfer phenomena in nanostructured glassy substances: a comparative study on g-As5Se95 and g-As55Se45 by Kozdras, Andrzej, Shpotyuk, Oleh, Mahlovanyi, Bohdan, Shpotyuk, Yaroslav, Kovalskiy, Andriy

    “…Nanostructurization-driven responses in calorimetric heat-transfer phenomena are compared for glassy arsenoselenides at different levels of their molecular…”
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    Journal Article
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    Molecular-Network Transformations in Tetra-Arsenic Triselenide Glassy Alloys Tuned within Nanomilling Platform by Shpotyuk, Oleh, Hyla, Malgorzata, Shpotyuk, Yaroslav, Lukáčová Bujňáková, Zdenka, Baláž, Peter, Demchenko, Pavlo, Kozdraś, Andrzej, Boyko, Vitaliy, Kovalskiy, Andriy

    Published in Molecules (Basel, Switzerland) (09-07-2024)
    “…Polyamorphic transformations driven by high-energy mechanical ball milling (nanomilling) are recognized in a melt-quenched glassy alloy of tetra-arsenic…”
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    Journal Article
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    Phase-change materials based on amorphous equichalcogenides by Golovchak, Roman, Plummer, Jarres, Kovalskiy, Andriy, Holovchak, Yuriy, Ignatova, Tetyana, Trofe, Anthony, Mahlovanyi, Bohdan, Cebulski, Jozef, Krzeminski, Piotr, Shpotyuk, Yaroslav, Boussard-Pledel, Catherine, Bureau, Bruno

    Published in Scientific reports (18-02-2023)
    “…Phase-change materials, demonstrating a rapid switching between two distinct states with a sharp contrast in electrical, optical or magnetic properties, are…”
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    Journal Article
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    Equimolar As4S4/Fe3O4 Nanocomposites Fabricated by Dry and Wet Mechanochemistry: Some Insights on the Magnetic–Fluorescent Functionalization of an Old Drug by Shpotyuk, Oleh, Lukáčová Bujňáková, Zdenka, Baláž, Peter, Kovalskiy, Andriy, Sznajder, Małgorzata, Cebulski, Jozef, Shpotyuk, Yaroslav, Demchenko, Pavlo, Syvorotka, Ihor

    Published in Materials (01-04-2024)
    “…Multifunctional nanocomposites from an equimolar As4S4/Fe3O4 cut section have been successfully fabricated from coarse-grained bulky counterparts, employing…”
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    Journal Article
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    Thermodynamic heat-transfer phenomena in nanostructured glassy substances: a comparative study on g-As.sub.5Se.sub.95 and g-As.sub.55Se.sub.45 by Kozdras, Andrzej, Shpotyuk, Oleh, Mahlovanyi, Bohdan, Shpotyuk, Yaroslav, Kovalskiy, Andriy

    “…Nanostructurization-driven responses in calorimetric heat-transfer phenomena are compared for glassy arsenoselenides at different levels of their molecular…”
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    Journal Article
  7. 7

    Optical properties and tunable luminescence of Ce3+/Dy3+ doped lithium borate glasses for photonic applications by Mahlovanyi, Bohdan, Truax, Michael, Luchechko, Andriy, Shpotyuk, Yaroslav, Yang, Guang, Golovchak, Roman, Kovalskiy, Andriy, Cebulski, Jozef

    Published in Journal of luminescence (01-11-2023)
    “…Optical absorption and photoluminescence properties of novel lithium borate glasses, (B2O3)-(MO)-(Li2O)–(Bi2O3) where M stands for Ca, Mg or Sr, doped with Dy…”
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    Journal Article
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    Parameterization of photobleaching and photodarkening in-situ kinetics in thermally deposited GeSe2 thin films by Kovalskiy, Andriy, Allen, Joshua A., Golovchak, Roman, Oelgoetz, Justin, Shpotyuk, Oleh, Vlcek, Miroslav, Palka, Karel

    Published in Thin solid films (31-05-2021)
    “…•Stretched exponential function fits kinetics of photoinduced effects in GeSe2•Parameters βand τ depend on properties of light and sample prehistory•Values of…”
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    Journal Article
  9. 9

    Radiation-induced modification effects in covalent-network glass formers: Phenomenological description within unified configuration-enthalpy model by Shpotyuk, Oleh, Vakiv, Mykola, Kovalskiy, Andriy, Golovchak, Roman, Balitska, Valentina, Shpotyuk, Mykhaylo

    Published in Applied radiation and isotopes (01-04-2024)
    “…Externally-induced modification activated by high-energy excitation such as γ-irradiation from 60Co source is analyzed in chalcogenide glasses in terms of…”
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    Journal Article
  10. 10

    The Structure of GaSbSe Glasses by High‐Resolution X‐Ray Photoelectron Spectroscopy by Golovchak, Roman, Calvez, Laurent, Lecomte, Alicia, Kovalskiy, Andriy, Luftman, Henry, Jain, Himanshu

    Published in physica status solidi (b) (01-06-2021)
    “…To understand the unique physical properties of GaSbSe glasses, high‐resolution X‐ray photoelectron spectroscopy (XPS) studies are performed on…”
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    Journal Article
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    Structural origin of surface transformations in arsenic sulfide thin films upon UV-irradiation by Kovalskiy, Andriy, Vlcek, Miroslav, Palka, Karel, Buzek, Jan, York-Winegar, James, Oelgoetz, Justin, Golovchak, Roman, Shpotyuk, Oleh, Jain, Himanshu

    Published in Applied surface science (01-02-2017)
    “…[Display omitted] Photostructural transformations within AsxS100-x (x=30, 33, 35, 40) thin films upon exposure to LED light of different wavelengths, in both…”
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    Journal Article
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    Effect of Bi Additive on the Physical Properties of Ge2Se3‑Based Equichalcogenide Glasses and Thin Films by Golovchak, Roman, Plummer, Jarres, Kovalskiy, Andriy, Ingram, Adam, Kozdras, Andrzej, Ignatova, Tetyana, Trofe, Anthony, Boussard-Pledel, Catherine, Bureau, Bruno

    Published in ACS applied electronic materials (23-04-2024)
    “…The influence of Bi on the structure and physical properties of Ge2Se3-based equichalcogenide glasses and thin films is studied. Thermal analysis shows…”
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    Journal Article
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    Electronic and atomic structure of amorphous thin films with high-resolution XPS: Examples of applications & limitations by Kovalskiy, Andriy, Golovchak, Roman, Vlcek, Miroslav, Jain, Himanshu

    Published in Journal of non-crystalline solids (01-10-2013)
    “…The use of high resolution X-ray photoelectron spectroscopy to study chalcogenide glass thin films is analyzed. It is shown that the method is an effective…”
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    Journal Article Conference Proceeding
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    Broadband Photosensitive Medium Based on Amorphous Equichalcogenides by Golovchak, Roman, Plummer, Jarres, Kovalskiy, Andriy, Holovchak, Yuriy, Ignatova, Tetyana, Nowlin, Kyle, Trofe, Anthony, Shpotyuk, Yaroslav, Boussard-Pledel, Catherine, Bureau, Bruno

    Published in ACS applied electronic materials (22-11-2022)
    “…A photosensitive medium based on amorphous equichalcogenide thin films containing germanium and antimony is proposed with characteristics promising for…”
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    Journal Article
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    In search of energy landscape for network glasses by Golovchak, Roman, Kovalskiy, Andriy, Shpotyuk, Oleh, Jain, Himanshu

    Published in Applied physics letters (25-04-2011)
    “…Quick scanning extended x-ray absorption fine-structure spectroscopy is used to obtain in situ structural information on the real-time response of network…”
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    Journal Article
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    Combined high-resolution XPS and EXAFS study of Ag photodissolution in a-As2S3 thin film by KOVALSKIY, Andriy, GANJOO, Ashtosh, KHALID, Syed, JAIN, Himanshu

    Published in Journal of non-crystalline solids (01-10-2010)
    “…Changes of electronic and atomic structure during silver photodissolution in As2S3 thin film are studied using a combination of high-resolution X-ray…”
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    Conference Proceeding Journal Article