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SIZE EFFECTS OF EXCITONS OFBiI3IN LAYERED MATRICES

Author

Listed:
  • T. KOMATSU

    (Department of Physics, Faculty of Science, Osaka City University, Sumiyoshi-ku, Osaka 558, Japan)

  • D. KIM

    (Department of Physics, Faculty of Science, Osaka City University, Sumiyoshi-ku, Osaka 558, Japan)

  • T. KOBAYASHI

    (Department of Physics, Faculty of Science, Osaka City University, Sumiyoshi-ku, Osaka 558, Japan;
    Institute for Chemical Research, Kyoto University, Uji 611, Japan)

  • K. WATANABE

    (Department of Physics, Faculty of Science, Osaka City University, Sumiyoshi-ku, Osaka 558, Japan;
    Department of Physics, Faculty of Liberal Arts and Education, Yamanashi University, Takeda Kofu 400, Japan)

  • V.F. AGUEKIAN

    (Department of Physics, Faculty of Science, Osaka City University, Sumiyoshi-ku, Osaka 558, Japan;
    Institute of Physics, Sankt-Petersburg State University, Stary Petergof, Ul ’anovskaya 1, Sankt-Petersburg 198904, Russia)

  • T. KARASAWA

    (Department of Physics, Faculty of Science, Osaka City University, Sumiyoshi-ku, Osaka 558, Japan)

  • I. AKAI

    (Department of Physics, Faculty of Science, Osaka City University, Sumiyoshi-ku, Osaka 558, Japan)

  • T. IIDA

    (Department of Physics, Faculty of Science, Osaka City University, Sumiyoshi-ku, Osaka 558, Japan)

Abstract

The size effects on the exciton absorption and luminescence spectra are studied in nanostructure ofBiI3embedded in the matrices of bulkBiI3andCdI2crystals. The quantum-confined exciton states are observed as the absorption lines of the seriesWJ(J=I, II, III, …). The results are compared with a model calculation of the confined excitons in the disks with thicknessLzand radius R. The disk-size distribution is directly observed with a high-resolution electron microscope. The relaxed luminescence from theBiI3disks inCdI2matrix is analyzed by the model of the confined excition interacting with acoustic phonons by taking into account the size-dependent Stokes shift and the distribution of the disk size.

Suggested Citation

  • T. Komatsu & D. Kim & T. Kobayashi & K. Watanabe & V.F. Aguekian & T. Karasawa & I. Akai & T. Iida, 1996. "SIZE EFFECTS OF EXCITONS OFBiI3IN LAYERED MATRICES," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 3(01), pages 1127-1131.
    • Handle: RePEc:wsi:srlxxx:v:03:y:1996:i:01:n:s0218625x96002011
    DOI: 10.1142/S0218625X96002011
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