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Sol-gel route to nanocrystalline Eu2Ti2O7 films with tailored structural and optical properties

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985882%3A_____%2F19%3A00518376" target="_blank" >RIV/67985882:_____/19:00518376 - isvavai.cz</a>

  • Alternative codes found

    RIV/68081723:_____/19:00518376

  • Result on the web

    <a href="https://ceramics.onlinelibrary.wiley.com/doi/full/10.1111/jace.16524" target="_blank" >https://ceramics.onlinelibrary.wiley.com/doi/full/10.1111/jace.16524</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1111/jace.16524" target="_blank" >10.1111/jace.16524</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Sol-gel route to nanocrystalline Eu2Ti2O7 films with tailored structural and optical properties

  • Original language description

    We present a generic sol-gel approach for the preparation of highly transparent europium titanate Eu2Ti2O7 films with tailored structural and optical properties. The films were prepared by a sol-gel process and thermally treated in a rapid thermal annealing furnace. We determined the effects of the annealing temperature on structural, morphological, and optical properties of the films. We evaluated film's optical constants. The size of the primary nanocrystals and the film's refractive index were tailored by the annealing temperature. The crystallization of Eu2Ti2O7 started at 800 degrees C and the nanocrystals grew with increasing annealing temperature reaching the size from 20 nm to 100 nm. The energy of nanocrystal growth was 21 +/- 3 kJ center dot mol(-1). Increasing nanocrystal size caused the regular growth of the refractive index recorded at 632 nm from 2.07 to 2.17 for the films annealed at 800 degrees C and 1200 degrees C, respectively. These results provide fundamental information about the effects of the structure and the morphology of the films on their optical properties. The presented approach can be extended to other rare earth-doped titanates and these films can be used as passive protective coatings as well as active materials suitable for photonic and spintronic applications

  • 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

    10306 - Optics (including laser optics and quantum optics)

Result continuities

  • Project

    <a href="/en/project/LD15122" target="_blank" >LD15122: Novel materials and components for advanced fibre lasers</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2019

  • 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

  • Volume of the periodical

    102

  • Issue of the periodical within the volume

    11

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    11

  • Pages from-to

    6713-6723

  • UT code for WoS article

    000484534300036

  • EID of the result in the Scopus database

    2-s2.0-85065970580