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Direct comparison of surface crystal growth kinetics in chalcogenide glass measured by microscopy and DSC

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F23%3A39920258" target="_blank" >RIV/00216275:25310/23:39920258 - isvavai.cz</a>

  • Result on the web

    <a href="https://ceramics.onlinelibrary.wiley.com/doi/10.1111/jace.19204" target="_blank" >https://ceramics.onlinelibrary.wiley.com/doi/10.1111/jace.19204</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1111/jace.19204" target="_blank" >10.1111/jace.19204</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Direct comparison of surface crystal growth kinetics in chalcogenide glass measured by microscopy and DSC

  • Original language description

    Surface crystallization in fine powder Se70Te30 chalcogenide glass was studied by differential scanning calorimetry (DSC) and optical microscopy. A complex kinetic analysis of these experimental data reveals that the contracting sphere mechanism (R3 model) is the rate determining step of crystal growth, and the conventional Johnson-Mehl-Avrami-Kolmogorov model cannot be used in this case. Moreover, it is clearly shown that the particle size distribution should be considered in crystallization studies. Actually, when the particle size effect is taken into account, the simulated DSC curves for the R3 model agree very well with the experimental data over the entire temperature range. The crystallization kinetics determined from the nonisothermal DSC data are consistent with previously reported isothermal crystallization data for the same powder fraction. The crystal growth rate calculated from isothermal and nonisothermal DSC data agrees very well with the microscopically measured surface and bulk crystal growth rate.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20504 - Ceramics

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2023

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of the American Ceramic Society

  • ISSN

    0002-7820

  • e-ISSN

    1551-2916

  • Volume of the periodical

    106

  • Issue of the periodical within the volume

    10

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    11

  • Pages from-to

    6051-6061

  • UT code for WoS article

    000994676200001

  • EID of the result in the Scopus database

    2-s2.0-85160636828