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Quadrature frequency resolved spectroscopy of upconversion photoluminescence in GeGaS:Er3+; II. elucidating excitation mechanisms of red emission besides green emission

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F17%3A10403198" target="_blank" >RIV/00216208:11320/17:10403198 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216275:25310/17:39911176

  • Result on the web

    <a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=kWQWThxvPK" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=kWQWThxvPK</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1007/s10854-017-6363-2" target="_blank" >10.1007/s10854-017-6363-2</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Quadrature frequency resolved spectroscopy of upconversion photoluminescence in GeGaS:Er3+; II. elucidating excitation mechanisms of red emission besides green emission

  • Original language description

    The paper addresses the quadrature frequency resolved spectroscopy (QFRS) on the red ((4) F (9/2) -&gt; (4) I (15/2)) upconverted photoluminescence (UCPL) as well as the green ((4) S (3/2) -&gt; (4) I (15/2)) UCPL of Er3+ in GeGaS chalcogenide glasses at the pump wavelength 975 nm. On the basis of the perturbed rate equations for the generally accepted 5-level model of the green and red UCPLs of Er3+, we have derived the formulas for the QFRS on the green and red UCPLs of the two differently Er-doped samples. Adopting the respective formulas as model functions for the nonlinear regressions on the QFRS data of both the UCPLs, we have determined the relevant parameters such as relaxation rates at the four excited levels, the excited absorption cross section and energy transfer parameters. Thereby the differences of UCPL dynamics between the green and red UCPLs as well as between the two differently Er-doped Ge25Ga10S65 samples are interpreted in terms of the determined parameters.

  • 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

    10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2017

  • 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 Materials Science: Materials in Electronics

  • ISSN

    0957-4522

  • e-ISSN

  • Volume of the periodical

    28

  • Issue of the periodical within the volume

    10

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    6

  • Pages from-to

    7077-7082

  • UT code for WoS article

    000400394400018

  • EID of the result in the Scopus database

    2-s2.0-85013829221