Browsing by Author "Howard I.A."

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An up-conversion luminophore with high quantum yield and brightness based on BaF<inf>2</inf>:Yb3+,Er3+single crystals

Madirov E.I.; Konyushkin V.A.; Nakladov A.N.; Fedorov P.P.; Bergfeldt T.; Busko D.; Howard I.A.; Richards B.S.; Kuznetsov S.V.; Turshatov A. (2021)

Up-conversion (UC) of near-infrared radiation to visible light has received much attention because of its use in the conversion of solar radiation, luminescence thermometry, biosensing, and anti-counterfeiting applications. ...
Ratiometric Luminescent Thermometry with Excellent Sensitivity over a Broad Temperature Range Utilizing Thermally-Assisted and Multiphoton Upconversion in Triply-Doped La<inf>2</inf>O<inf>3</inf>:Yb3+/Er3+/Nd3+

Gao G.; Busko D.; Katumo N.; Joseph R.; Madirov E.; Turshatov A.; Howard I.A.; Richards B.S. (2020)

© 2020 The Authors. Advanced Optical Materials published by Wiley-VCH GmbH A ratiometric optical thermometer based on triply-doped La2O3:Yb3+/Er3+/Nd3+ microcrystals is reported with a relative sensitivity above 1% K−1 in ...

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