Energy Transfer between Gd^<3+> and Other Rare Earth Ions in the UV Region

  • KUMAGAI Takashi
    Faculty of Engineering, Tokyo University of Technology
  • SATO Yuji
    Faculty of Engineering, Tokyo University of Technology:(Present address)Nichia Corporation
  • OKAMOTO Shinji
    Faculty of Engineering, Tokyo University of Technology:(Present address)Tokyo Kagaku Kenkyusho Co. Ltd.
  • YAMAMOTO Hajime
    Faculty of Engineering, Tokyo University of Technology
  • KUNIMOTO Takashi
    Department of Electrical and Electronic Engineering and Tottori University:(Present address)Venture Business Laboratory, Kobe University

Bibliographic Information

Other Title
  • 紫外領域におけるGd^<3+>と他の希土類イオン間のエネルギー伝達(発光型/非発光型ディスプレイ合同研究会)
  • 紫外領域におけるGd3+と他の希土類イオン間のエネルギー伝達
  • シガイ リョウイキ ニ オケル Gd3 ト タ ノ キドルイ イオン カン ノ エネルギー デンタツ
  • 紫外領域におけるGd〔3+〕と他の希土類イオン間のエネルギー伝達

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Abstract

Energy transfer from Pr^<3+>,Nd^<3+>,Er^<3+> or Tm^<3+> to Gd^<3+> leading to Gd^<3+> emission at 312nm was observed in GdPO_4 doped with these ions under 172nm excitation. Among these ions, Pr^<3+> provides the strongest Gd^<3+> emission. Energy transfer from Gd^<3+> to Dy^<3+> was also observed under excitation by Gd^<3+> absorption at 276nm. As a result of this energy transfer, Gd^<3+> emission is quenched and strong, visible luminescence of Gd^<3+> appears. Such energy transfer processes are to be taken in account, when a quauntum cutting process using Gd^<3+> ions is investigated.

Journal

  • ITE Technical Report

    ITE Technical Report 26.6 (0), 139-144, 2002

    The Institute of Image Information and Television Engineers

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