Перегляд за автором "Shimamura, K."

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  • New red phosphor: Ca₀.₆₅Eu₀.₃₅F₂.₃₅ single сrystal 
    Shimamura, K.; Shiran, N.; Gektin, A.; Voronova, V.; Nesterkina, V.; Ichinose, N.; Villora, E.; Shishido, T. (Functional Materials, 2004)
    The first observation of absorption, red-orange luminescence, and decay kinetics of Ca₀.₆₅Eu₀.₃₅F₂.₃₅ single crystal is reported. The emission spectrum of excited directly in absorption bands consists of narrow bands at ...
  • ¹S₀-luminescence in Ca₁₋ₓPrxF₂₊ₓ crystals 
    Boiaryntseva, I.A.; Shiran, N.V.; Gektin, A.V.; Stryganyuk, G.B.; Belsky, A.N.; Shimamura, K. (Functional Materials, 2012)
    Luminescence properties of CaF₂:Pr (0.2 mol %) and Ca₀.₆₅Pr₀.₃₅F₂.₃₅ crystals were studied at 10 K. Excitation and emission spectra show two types of the Pr³⁺ centers with the typical ¹S₀ —> 4f² radiative transitions. High ...