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Intrinsic Luminescence and Configurations of Self-Trapped Excitons in Alkali Halide Crystals.

Research Project

Project/Area Number 02452037
Research Category

Grant-in-Aid for General Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field 固体物性
Research InstitutionKYOTO UNIVERSITY

Principal Investigator

KAN'NO Ken-ichi  Department of Physics, Research Associate, 理学部, 助手 (80024339)

Co-Investigator(Kenkyū-buntansha) HAYASHI Tetsusuke  College of General Education, Professor, 教養部, 教授 (80026799)
KATO Riso  Department of Physics, Professor, 理学部, 教授 (20025282)
Project Period (FY) 1990 – 1991
Project Status Completed (Fiscal Year 1991)
Budget Amount *help
¥7,000,000 (Direct Cost: ¥7,000,000)
Fiscal Year 1991: ¥400,000 (Direct Cost: ¥400,000)
Fiscal Year 1990: ¥6,600,000 (Direct Cost: ¥6,600,000)
KeywordsSelf-Trapped Exciton / Alkali Halides / Luminescence / Electron-Lattice Interaction / Lattice Relaxation / Triplet State / Zero-Field Splitting / Off-Center Effect / オフ・センタ-効果 / 緩和励起子
Research Abstract

Radiative recombination processes of self-trapped excitons (STE) in alkali halide crystals were studied systematically in various kinds of mixed crystals. It was found that the pi emission bands in nine alkali halides, NaCl, KCl, RbCl, NaBr, KBr, RbBr, NaI, KI and RbI, should be classified into three distinct types (I, II, III). It has also been shown that the sigma emission bands which are recognized only in five crystals, NaCl, KBr, RbBr, KI and RbI, are essentially the same as the so-called "pi emission" bands in NaBr and NaI (Type I). These findings bring a pleasing orderliness to the appearance, peak energies and dipole strengths of singlet sigma and triplet pi transitions in alkali halides. In this new scheme, the sigma bands generally, and the corresponding pi bands in NaBr and NaI, are suggested to originate from an on-center STE configuration. The low energy pi bands, and the Ex band in RbI, are suggested to originate from two separate off-center STE configurations, all on the same adiabatic potential surface of the lowest energy.
Thus, the present study provides an unifying recognition for the mechanism of exciton self-trapping in terms of on-center and/or off-center distortion.

Report

(3 results)
  • 1991 Annual Research Report   Final Research Report Summary
  • 1990 Annual Research Report
  • Research Products

    (48 results)

All Other

All Publications (48 results)

  • [Publications] K.Kan'no,K.Tanaka and T.Hayashi.: "New Aspects of Intrinsic Luminescence in Alkali Halide Crystals." Reviews of Solid State Science.4. 383-401 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] M.Itoh,S.Hashimoto,N.Ohno and K.Kan'no.: "Identity of relaxed exciton configurations for the π emission in NaI and the σ emission in KI." J.Phys.Soc.Jpn.60. 61-64 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] K.Kan'no K.Tanaka,H.Kosaka and Y.Nakai.: "Three Types of Emission Bands from Hetero-Nuclear Relaxed Excitons in NaBr:I,KBr:I and RbBr:I." J.Lumines.48&49. 147-151 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] 神野 賢一,松本 珠緒.: "アルカリハライド結晶の緩和励起状態-STEの素顔を探る-." 京都大学極低温研究室月報.64. 2-11 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] 神野 賢一,松本 珠緒.: "アルカリハライド結晶の固有発光と励起子の緩和状態." 放射光.4. 455-478 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T.Hayashi,H.Yanase,T.Matsumoto,K.Toyoda,K.Kan'no and Y.Nakai.: "Self-Trapped Exciton Luminescence in KBr1-xIx and RbBr1-xIx Solid Solutions." J.Phys.Soc.Jpn.61. 1098-1112 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T.Matsumot,T.Kawata,A.Miyamoto,K.Kan'no,M.Hasumoto and M.Kamata.: "A Method for Time-Resolved Measurements Applied on Intrinsic Luminescence in Alkali Halides." UVSOR Activity Report.UVSOR-19. 30-31 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T.Matsumoto and K.Kan'no.: "Decay Profile of the σ Emission Band in KBr." UVSOR Activity Report.UVSOR-19. 32-33 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T.Matsumoto,T.Kawata and K.Kan'no.: "Time-Resolved Spectroscopic Study on the Type I Self-Trapped Excitons in Alkali Halide Crystals:Part I.Emission Spectra and Decay Behavior." J.Phys.Soc.Jpn.61. 4229-4241 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T.Matsumoto,T.Kawata,A.Miyamoto and K.Kan'no.: "Luminescence Decay Behavior of the On-Center Self-Trapped Excitons in Alkali Halides." Proceedings of ICDIM 92.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T.Kawata,T.Mukai,T.Matsumoto and K.Kan'no.: "Magnetic Field Effect on the Luminescence Lifetime of Triplet Self-Trapped Excitons in NaBr and NaI." Proceedings of ICDIM 92.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T.Matsumoto,A.Miyamoto and K.Kan'no.: "Time-Resolved Measurements of Excitation Spectra for Intrinsic Emission in Alkali Iodides." UVSOR Activity Report.UVSOR-20. (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T.Matsumoto,K.Ichinose and K.Kan'no.: "Time-Resolved Luminescence Study of Relaxed Excitons in KBr:I and KC1:Br." J.Phys.Soc.Jpn.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T.Matsumoto and K.Kan'no.: "Time-Resolved Spectroscopic Study on the Type I Self-Trapped Excitons in Alkali Halide Crystals:Part II.Excitation Spectra and Dynamics of Exciton Self-Trapping." J.Phys.Soc.Jpn.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] K.Kan'no and T.Matsumoto: "Orderliness in the Appearance,Peak膈Energies and Lifetimes of Self-Trapped Exciton Luminescence in Alkali Halides." J.Phys.Soc.Jpn.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] 神野 賢一 分担執筆(谷村 克巳と共著): "「電子励起による非平衡固体ダイナミックス」固体物理別冊特集号 編集責任者:篠塚 雄三・吉田 博「アルカリハライドの自己束縛励起子と光誘起欠陥生成」" アグネ技術センター, 23-38 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] K.Kan'no, K.Tanaka and T.Hayashi.: "New Aspects of Intrinsic Luminescence in Alkali Halide Crystals." Reviews of Solid State Science.4. 383-401 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] M.Itoh, S.Hashimoto, N.Ohno and K.Kan'no.: "Identity of relaxed exciton configurations for the pi emission in NaI and the sigma emission in KI." J. Phys. Soc. Jpn.60. 61-64 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] K.Kan'no K.Tanaka, H.Kosaka and Y.Nakai.: "Three Types of Emission Bands from Hetero-Nuclear Relaxed Excitons in NaBr:I, KBr:I and RbBr:I." J. Lumines.48 & 49. 147-151 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T.Hayashi, H.Yanase, T.Matsumoto, K.Toyoda, K.Kan'no and Y.Nakai.: "Self-Trapped Exciton Luminescence in KBr1-xIx and RbBr1-xIx Solid Solutions." J. Phys. Soc. Jpn.61. 1098-1112 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T.Matsumoto,T.Kawata, A.Miyamoto, K.Kan'no, M.Hasumoto and M.Kamata.: "A Method for Time-Resolved Measurements Applied on Intrinsic Luminescence in Alkali Halides." UVSOR Activity Report.UVSOR-19. 30-31 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T.Matsumoto and K.Kan'no.: "Decay Profile of the sigma Emission Band in KBr." UVSOR Activity Report.UVSOR-19. 32-33 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T.Matsumoto, T.Kawata and K.Kan'no.: "Time-Resolved Spectroscopic Study on the Type I Self-Trapped Excitons in Alkali Halide Crystals: Part I. Emission Spectra and Decay Behavior." J. Phys. Soc. Jpn.61. 4229-4241 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T.Matsumoto, T.Kawata, A.Miyamoto and K.Kan'no.: "Luminescence Decay Behavior of the On-Center Self-Trapped Excitons in Alkali Halides." Proceedings of ICDIM 92 (Int. Confe. on Defects in Insulating Materials).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T.Kawata, T.Mukai, T.Matsumoto and K.Kan'no.: "Magnetic Field Effect on the Luminescence Lifetime of Triplet Self-Trapped Excitons in NaBr and NaI." Proceedings of ICDIM 92 (Int. Confe. on Defects in Insulating Materials).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T.Matsumoto, A.Miyamoto and K.Kan'no.: "Time-Resolved Measurements of Excitation Spectra for Intrinsic Emission in Alkali Iodides." UVSOR Activity Report.UVSOR-20. (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T.Matsumoto, K.Ichinose and K.Kan'no.: "Time-Resolved Luminescence Study of Relaxed Excitons in KBr:I and KCl:Br." J. Phys. Soc. Jpn.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T.Matsumoto and K.Kan'no.: "Time-Resolved Spectroscopic Study on the Type I Self-Trapped Excitons in Alkali Halide Crystals: Part II. Excitation Spectra and Dynamics of Exciton Self-Trapping." J. Phys. Soc. Jpn.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] K.Kan'no and T.Matsumoto.: "Orderliness in the Appearance, Peak Energies and Lifetimes of Self-Trapped Exciton Luminescence in Alkali Halides." J. Phys. Soc. Jpn.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] K.Kan'no,K.Tanaka and T.Hayashi.: "New Aspects of lntrisic Luminescence in Alloli Halide Crystals." Reviews of Solid State Science.4. 383-401 (1990)

    • Related Report
      1991 Annual Research Report
  • [Publications] M.Itoh,SHashimoto,N.Ohno and K.Kan'no.: "Identity of relaxed exciton configurations for the π emission in Nal and the σ emission in Kl." J.Phys.Soc.Jpn.60. 61-64 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] K.Kan'no K.Tanaka,H.Kosaka and V.Nakai.: "Three Types of Emission Bands from HeteroーNuclear Relaxed Excitons in NaBr:l,KBr:l and RbBr:l." J.Lumines.48&49. 147-151 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 神野 賢一,松本 珠緒.: "アルカリハライド結晶の緩和励起状態ーSTEの素顔を探るー." 京都大学極低温研究室月報.64. 2-11 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 神野 賢一、松本 珠緒。: "アルカリハライド結晶の固有発光と励起子の緩和状態." 放射光.4. 455-478 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] T.Hayashi,H.Yanase,T.Matsumoto,K.Toyoda,K.Kan'no and Y.Nakai.: "SelfーTrapped Exciton Luminescence in KBrlーxlx and RbBrlーxlx Solid Solutions." J.Phys.Soc.Jpn.61. 1098-1112 (1992)

    • Related Report
      1991 Annual Research Report
  • [Publications] T.Matsumoto,T.Kawata,A.Miyamoto,K.Kan'no,M.Hasumoto and M.Kamata.: "A Method for TimeーResolved Measurements Applied on Intrinsic Luminescence in Alkali Halides." UVSOR Activity Report.UVSORー19. (1992)

    • Related Report
      1991 Annual Research Report
  • [Publications] T.Matsumoto and K.Kan'no.: "Decay Profile of the σ Emission Band in KBr." UVSOR Activity Report.UVSORー19. (1992)

    • Related Report
      1991 Annual Research Report
  • [Publications] T.Matsumoto,T.Kawata,A.Miyamoto and K.Kan'no.: "Luminescence Decay Behavior of the OnーCenter Self Trapped Excitons in Alkali Halides." Proceedings of ICDIM 92(International Conference on Defects in Insulating Materials).

    • Related Report
      1991 Annual Research Report
  • [Publications] T.Kawata,T.Mukai,T.Matsumoto and K.Kan'no.: "Magnetic Field Effect on the Luminescence Lifetime of Triplet SelfーTrapped Excitons in NaBr and Nal." Proceedings of ICDIM 92(International Conference on Defects in Insulating Materials).

    • Related Report
      1991 Annual Research Report
  • [Publications] T.Matsumoto,T.Kawata,A.Miyamoto.K.Kan'no,M.Hasumoto and M.Kamata.: "TimeーResolved Luminescence Spectroscopy Using SingleーBanched SR Pulses Applied on lntrinsic Emission in Alkali Halides." Proceedings of VUV10(Tenth lnternational Conference on Vacuum Ultraviolet Radiation Physics).

    • Related Report
      1991 Annual Research Report
  • [Publications] T.Matsumoto,T.Kawata and K.Kan'no.: "TimeーResolved Spectroscopic Study on the OnーCenter SelfーTrapped Excitons in Alkali Halide Crystals:Part I.Emission Spectra and Decay Behavior." J.Phys.Soc.Jpn.

    • Related Report
      1991 Annual Research Report
  • [Publications] K.Kan'no,T.Matsumoto and A.Miyamoto.: "TimeーResolved Spectroscopic Study on the OnーCenter SelfーTrapped Excitons in Alkali Halide Crystals:Part II.Excitation Spectra and Dynamics of Exciton SelfーTrapping." J.Phys.Soc.Jpn.

    • Related Report
      1991 Annual Research Report
  • [Publications] K.Kan'no and T.Matsumoto.: "Orderliness in the Appearance,Peak Energies and Lifetimes of SelfーTrapped Exciton Luminescence in Alkali Halides." Phys.Rev.Lett.

    • Related Report
      1991 Annual Research Report
  • [Publications] T.Matsumoto,T.Yanase and K.Kan'no.: "Long Lifetime Components of the σ Emission Band in Rbl." J.Phys.Soc.Jpn.

    • Related Report
      1991 Annual Research Report
  • [Publications] K.Kan'no,K.Tanaka and T.Hayashi: "New Aspects of Intrinsic Luminescence in Alkali Halide Crystals" Reviews of Solid State Science. 4. 383-401 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] M.Itoh,S.Hashimoto,N.Ohno and K.Kan'no: "Identity of relaxed exciton configurations for the π emission in NaI and the σ emission in KI" J.Phys.Soc.Jpn. 60. 61-64 (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] K.Kan'no K.Tanaka,H.Kosaka and Y.Nakai: "Three Types of Emission Bands from HeteroーNuclear Relaxed Excitons in NaBr:I,KBr:I and RbBr:I" J.Lumines.(1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Hayashi,H.Yanase,K.Toyoda,K.Kan'no and Y.Nakai: "SelfーTrapped Exciton Luminescence in KBr1ーxIx and RbBr1ーxIx Solid Solutions." J.Phys.Soc.Jpn.

    • Related Report
      1990 Annual Research Report

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Published: 1990-04-01   Modified: 2016-04-21  

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