Transparent pyrochlore ceramics - Optical properties of pyrochlores and light scattering study

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F24%3A43928643" target="_blank" >RIV/60461373:22310/24:43928643 - isvavai.cz</a>
Result on the web
<a href="https://www.sciencedirect.com/science/article/pii/S0955221923007501?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0955221923007501?via%3Dihub</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.jeurceramsoc.2023.09.049" target="_blank" >10.1016/j.jeurceramsoc.2023.09.049</a>

Result language
angličtina
Original language name
Transparent pyrochlore ceramics - Optical properties of pyrochlores and light scattering study
Original language description
This paper focuses on the analysis of light scattering effects in pyrochlore transparent ceramics. The refractive indices of various pyrochlore materials are summarized, and the refractive index-wavelength dependences are fitted using the Sellmeier equation, enabling the extrapolation of refractive indices at different wavelengths. The study investigates the validity of different light scattering approximations compared to Mie theory, highlighting the effectiveness of the van de Hulst approximation in describing the transmittance-pore diameter-wavelength dependence for pyrochlore systems. The influence of pore size (distribution) on light scattering is explored and among other results, it is found that the critical pore size leading to the highest level of light scattering was approximately half the wavelength of light, with variations depending on the system's refractive index. The findings provide valuable insights into the optical properties of pyrochlore transparent ceramics and offer guidelines for reduction of light scattering.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20504 - Ceramics

Project
<a href="/en/project/GA22-14200S" target="_blank" >GA22-14200S: Low-phonon energy transparent ceramic luminophores emitting in the short- and mid-infrared region</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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