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Eu2+ stabilization in YAG structure: optical and electron paramagnetic resonance study

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F16%3A00464919" target="_blank" >RIV/68378271:_____/16:00464919 - isvavai.cz</a>

  • Alternative codes found

    RIV/68407700:21340/16:00304476

  • Result on the web

    <a href="http://dx.doi.org/10.1021/acs.jpcc.6b06397" target="_blank" >http://dx.doi.org/10.1021/acs.jpcc.6b06397</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1021/acs.jpcc.6b06397" target="_blank" >10.1021/acs.jpcc.6b06397</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Eu2+ stabilization in YAG structure: optical and electron paramagnetic resonance study

  • Original language description

    A set of Eu-doped YAG phosphors was successfully synthesized by solid-state reaction under the Ar:5%H2 atmosphere. Their physical properties were investigated by means of XRD, time-resolved luminescence spectroscopy, and EPR. Special attention was given to well-grounded confirmation of Eu2+ occurrence in the YAG structure. The influence of Eu concentration, form of doping (EuS, EuF2, or Eu2O3) and number/form of annealing steps was studied. Corresponding characteristics were measured and evaluated in a broad temperature range. The correlated measurements showed that the single Eu2+ ions stabilized in YAG in the yttrium position are responsible for the 440 nm emission. The corresponding lowest energy excitation band is situated at 300 nm, and the radiative lifetime of Eu2+ emission is about 500 ns. A phenomenological model of excited state dynamics was used to explain the experimentally observed features. Possible practical exploitation of the Eu2+ center in the YAG host is discussed.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BM - Solid-state physics and magnetism

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2016

  • 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 Physical Chemistry C

  • ISSN

    1932-7447

  • e-ISSN

  • Volume of the periodical

    120

  • Issue of the periodical within the volume

    38

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    11

  • Pages from-to

    21751-21761

  • UT code for WoS article

    000384626800067

  • EID of the result in the Scopus database

    2-s2.0-84989821173