Optical Properties of Extrinsic Two-Dimensional Excitons in BiI_3 Single Crystals

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概要

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• Interface excitons caused by stacking faults in Bil, crystals have been investigatedon absorption, photoluminescence and its excitation spectra. Characteristic threesharp absorption lines (called 7?, S and T), appear close to the fundamental absorp-tion edge. The temperature dependence of the line shape shows a typical feature of ex-citon-phonon interaction in the case that K=O at the bottom of the exciton band.Resonant luminescences of these lines have also very narrow line widths, and noStokes shifts can be detected. The luminescence line shape of phonon side bandshows Maxwellian-like having the line width proportional to thermal energy but ac-companied by a fine structure which reflects a quasi two-dimensional band nature ofthis exciton system. The high density excitation effects of these states reveal a specificinteraction among the 7lS, S and T cxcltons.

• 社団法人日本物理学会の論文
• 1986-03-15

著者

• KOMATSU Teruo

  Department of Physics, Osaka City University

• KARASAWA Tsutomu

  Department of Physics, Graduate School of Science, Osaka City University

• Karasawa Tsutomu

  Department Of Physics Faculty Of Science Osaka City University

• Komatsu Teruo

  Department Of Physics Faculty Of Science Osaka City University

• Watanabe Katsuyoshi

  Department of Physics, Faculty of Liberal Arts and Education Yamanashi University

• Kaifu Yozo

  Department Of Applied Physics Osaka City University

• Watanabe Katsuyoshi

  Department Of Physics Faculty Of Liberal Arts And Education Yamanashi University

• Watanabe Katsuyoshi

  Department Of Physics Osaka City University:department Of Education And Liberal Arts Yamanashi Unive

• Karasawa Tsutomu

  Department Of Applied Physics Nagoya University

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• Rapid energy transfer in light-harvesting dendrimers having π-conjugated antennas
• Nonlinear Optical Spectra of the Confined Excitons in Stress Induced Nanostructures in BiI_3
• Observation of an Interface Exciton and Exciton Localization in BiI_3-CdI_2 Multilayer Structures
• Second-Order Raman Scattering from Lithium Halide Single Crystals
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• Refractive Index of CuCl
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• Determination of Elastic Constants of BiI_3 and SbI_3 Layered Crystals by Means of Brillouin Scattering
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• Color Center Formation in KI and NaCl Crystals by Pulsed Electron Beam
• Hydrostatic Pressure Effects on the Excitons and Exciton-Phonon Interaction in BiI_3 Crystals
• The Photocalorimetric Spectra in layered BiI_3 Single Crystals
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• Resonant Raman Scattering and Hot Luminescence at the Indirect Exciton in BiI_3
• Intrinsic Luminescence in KBr Crystals between 1.8 K and 80 K
• Antiresonance Phenomena in the Transmission Spectra of KI:Cu Crystals
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• Macroscopic Crystallization of Nanocrystals into Supercrystals
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