Ce^<3+> Centres in YAlO_3 (YAP) Single Crystals

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概要

• 論文の詳細を見る

• Spectra of optical absorption (3 eV〜6 eV) and emission (2.9 eV〜4.1 eV) have been investigated on Ce^<3+> centres in YAlO_3:Ce^<3+> single crystals at 297K ; excitation spectrum for 360 nm light in the Ce^<3+> emission band region has also been measured in the region of 3.5 eV〜6.2 eV. Measurement of excitation spectrum for Ce^<3+> centres in YAlO_3:Ce^<3+> powder phosphor has been made at room temperature in the region of 3 eV〜11 eV. The excitation spectra in the air UV region consist of five bands assignable to the five levels of the Ce^<3+> 5d ; they are expressible by Gaussian functions, respectively, and therefrom the crystalline field splitting 10 Dq=1.12_8 eV is derived. The excitation spectrum in the VUV region has a great peak at 8.05 eV which originates from the valence-band excitons. It is confirmed that the luminescence band expressed in terms of quanta per unit photon-energy interval can be fitted by two Gaussian components.

• 社団法人日本物理学会の論文
• 1995-11-15

著者

• Aiura Yoshihiro

  Department Of Physics Faculty Of Science University Of The Ryukyus

• Aiura Yoshihiro

  National Institute Of Advanced Industrial Science And Technology Aist Tsukuba Central 2

• TOMIKI Tetsuhiko

  Department of Physics, Tohoku University

• YONESU Akira

  Department of Electrical Engineering, University of Ryukyu

• Yonesu Akira

  Department Of Electrical And Electronic Engineering Faculty Of Engineering Ryukyu University

• Yonesu Akira

  Department Of Electrical Engineering University Of The Ryukyus

• Futemma Tomoyoshi

  Department of Physics, University of the Ryukyus

• AIURA Yoshihiro

  Electrotechnical Laboratory

• Aiura Y

  Electrotechnical Laboratory

• Ishikawa Hirokatsu

  Department of Physics, Faculty of Science, University of the Ryukyus

• Tashiro Tomoji

  Department of Physics, Faculty of Science, University of the Ryukyus

• Katsuren Moritaka

  Department of Physics, Faculty of Science, University of the Ryukyus

• Hotta Tatsuya

  Department of Physics, Faculty of Science, University of the Ryukyus

• Yabiku Tsuyoshi

  Department of Physics, Faculty of Science, University of the Ryukyus

• Akamine Michihiro

  Department of Physics, Faculty of Science, University of the Ryukyus

• Nakaoka Tsuyoshi

  Department of Physics, Faculty of Science, University of the Ryukyus

• Miyazato Isamu

  Department of Physics, Faculty of Science, University of the Ryukyus

• Tomiki Tetsuhiko

  Department Of Physics Faculty Of Science University Of The Ryukyus

• Futemma Tomoyoshi

  Department Of Physics Faculty Of Science University Of The Ryukyus

• Futemma Tomoyoshi

  Okinawa Prefectural Government

• Yabiku Tsuyoshi

  Department Of Physics Faculty Of Science University Of The Ryukyus

• Hotta Tatsuya

  Department Of Physics Faculty Of Science University Of The Ryukyus

• Miyazato Isamu

  Department Of Physics Faculty Of Science University Of The Ryukyus

• Tomiki T

  Department Of Physics Faculty Of Science University Of The Ryukyus

• Akamine Michihiro

  Department Of Physics Faculty Of Science University Of The Ryukyus

• Katsuren Moritaka

  Department Of Physics Faculty Of Science University Of The Ryukyus

• Ishikawa Hirokatsu

  Department Of Physics Faculty Of Science University Of The Ryukyus

• Nakaoka Tsuyoshi

  Department Of Physics Faculty Of Science University Of The Ryukyus

• Aiura Yoshihiro

  National Institute Of Advanced Industrial Science And Technology:hiroshima Synchrotron Radiation Center Hiroshima University

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