Cathodoluminescent Properties of ZnMgS:Cu,Al Powder Phosphors

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  • ZnMgS:Cu,Al蛍光体のカソードルミネッセンス特性(発光型/非発光型ディスプレイ合同研究会)
  • ZnMgS:Cu,Al蛍光体のカソードルミネッセンス特性
  • ZnMgS Cu Al ケイコウタイ ノ カソードルミネッセンス トクセイ

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Abstract

We investigated the cathodoluminescent (CL) properties of Zn_<1-x>Mg_xS:Cu,Al powder phosphors with a wide range of magnesium content. It was found that the CL colors irradiated by an electron beam (0.25μA/cm^2, 27.5kV) shift from green to blue with increasing of magnesium content. Moreover, in the CL spectra, the green-Cu band shifts to blue, and a new blue band appears at 2.86eV. And we showed that an increase of the band gap energy deepens the acceptor level (Cu^+) and causes the blue shift of the green-Cu band when magnesium content less than 10mol%.

Journal

  • ITE Technical Report

    ITE Technical Report 26.6 (0), 145-150, 2002

    The Institute of Image Information and Television Engineers

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