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Thin-Film Single-Crystal Growth of Layered Materials and Fabrication of The Layered Superlattices by a Hot Wall Technique, and Their Optical Properties

Research Project

Project/Area Number 62460025
Research Category

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

Allocation TypeSingle-year Grants
Research Field 固体物性
Research InstitutionThe University of Tokyo

Principal Investigator

TAKEYAMA Shojiro  University of Tokyo, Institute for Solid State Physics, Research Associate, 物性研究所, 助手 (20163446)

Co-Investigator(Kenkyū-buntansha) MIURA Noboru  University of Tokyo, Institute for Solid State Physics, Professor, 物性研究所, 教授 (70010949)
KOMATSU Teruo  Osaka City University, Department of Physics, Associate Professor, 理学部, 助教授 (90047134)
Project Period (FY) 1987 – 1989
Project Status Completed (Fiscal Year 1989)
Budget Amount *help
¥7,200,000 (Direct Cost: ¥7,200,000)
Fiscal Year 1989: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 1988: ¥800,000 (Direct Cost: ¥800,000)
Fiscal Year 1987: ¥5,900,000 (Direct Cost: ¥5,900,000)
KeywordsA Hot Wall Technique / Van-der-Waals Epitaxy / The Layered Material / PbI_2 / BiI_3 Superlattice / Thin-Single-Crystal / Magneto-Optics / High-Pressure Spectroscopy / Stacking Faults / BiI_3薄膜単結晶 / ファンデァワ-ルスエピタキシャル成長 / 表面励起子 / 励起子-格子相互作用 / 磁気光学効果 / ファンデアワールスエピタキシャル / 単結晶薄膜 / ホットウォール法 / Pbl_2 / Bil_3 / Cdl_2 / 超格子 / 積層欠陥励起子 / 界面励起子 / ホットウォール / ファンデアワールスエピ
Research Abstract

A hot wall technique was applied to grow very thin single-crystals of the compound layered materials, PbI_2 and BiI_3, which are the subject of the recent intensive investigations as the representative of the heavy metal halides. The so- called van der Waals epitaxy became possible by employing the layered material as a substrate. The low temperature growth by this method made it possible to grow high quality thin single-crystals. The low temperature absorption spectra of the band-edge direct exciton were used as a probe of the quality of the film. This is confirmed by the transmission electron diffraction and x-ray structural analysis.
It was revealed that the exciton spectra was sensitive to the crystal quality especially for the layer stacking faults and polytypes. Thus it became possible to obtain the films with an optimized thickness for the observation of the direct exciton absorption spectra. As for PbI_2, the inner structure of the exciton were clarified to give the answer for t … More he puzzling problem unsolved since 1960 by the successful magneto-optical investigation of the high pulse-magnetic-field spectroscopy. At the same time, new features concerning the exciton-phonon interaction were understood. In the case of BiI_3, the surface exciton was observed for the first time in the absorption measurement due to the high quality of the film surface. The detailed analysis of the band-edge exciton absorption spectra became possible, and new aspects of the exciton dynamics were found correlated to the exciton-phonon interaction. The superlattice PbI_2/BiI_3 were successfully fabricated for the first time by this technique, and the optical properties were investigated, showing interesting features of the exciton in the new superlattice. The quantum size effect was observed on the exciton of PbI_2 by the BiI_3 barrier potential. The electrical energy structure are now under investigation using high-field magneto-optical and high-pressure investigation on the absorption and luminescence of the exciton in this system. Less

Report

(4 results)
  • 1989 Annual Research Report   Final Research Report Summary
  • 1988 Annual Research Report
  • 1987 Annual Research Report
  • Research Products

    (29 results)

All Other

All Publications (29 results)

  • [Publications] Y.Nagamune: ""Very Thin PbI_2 Single Crystals Grown by a Hot Wall Technique"" Appl.Phys.Lett.50. 1337-1339 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] K.Watanabe: ""The Magnetic-Field-Induced Indirect Exciton Transition in BiI_3 Single Crystals"," J.Phys.C:Solid State Phys.20. 6315-6323 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] T.Komatsu: ""Effects of High Magnetic Fields on Cationic Exciton Lines in BiI_3"" Phys.Rev.Lett.58. 2259-2262 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] Y.Nagamune: ""Magnetoabsorption Spectra of Band-Edge Excitons in 2H-PbI_2 at High Magnetic Fields up to 40 T"," Phys.Rev.B. 40. 8099-8012 (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] K.Watanabe: ""Magneto-Optical Study of Excitons Localized Around 2D Defects of BiI_3 in Pulsed High Magnetic Fields up to 47 T"," Springer Series in Solid-State Sciences"High Magnetic Fields in Semiconductor Physics II. 87. 301-304 (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] K.Watanabe: ""Observation of Surface Excitons in BiI_3 Thin Films Single Crystals Grown by The Hot Wall Technique"," Solid State Communications. (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] S.Takeyama: ""Magneto-Oprical Effects of Excitons in BiI_3 Crystals under Pulsed High Magnetic Fields:Indirect and Direct Excitons"," Phys.Rev.B. 41. (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] S.Takeyama: ""Thin-Film Single-Crystal Growth of BiI_3 by a Hot Wall Technique"," Jpn.J.Appl.Phys.29. (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] T.Komatsu: ""Magneto-Optical Effects of Excitons in BiI_3 Crystaals under Pulsed High Magnetic Fields:Excitons Localized at Two Dimensional Defects"," Phys.Rev.B.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] Y. Nagamune: "Very Thin PbI_2 Single Crystals Grown by a Hot Wall Technique" Appl. Phys. Lett. 50, No.11 pp.1337-1339 (1987).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] K.Watanabe: "The Magnetic-Field-Induced Indirect Exciton Transition in BiI_3 Single Crystals" J. Phys. C: Solid State Phys. 20 pp.6315-6323 (1987).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] T.Komatsu: "Effects of High Magnetic Fields on Cationic Exciton Lines in BiI_3" Phys. Rev. Lett. 58, No.21 pp.2259-2262 (1987).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] Y.Nagamune: "Magnetoabsorption Spectra of Band-Edge Excitons in 2H-PbI_2 at High Magnetic Fields up to 40 T" Phys. Rev. B 40, No.11 pp.8099-8012 (1989).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] K.Watanabe: "Magneto-Optical Study of Excitons Localized Around 2D Defects of BiI_3 in Pulsed High Magnetic Fields up to 47 T" Springer Series in Solid-State Sciences, Vol.87, "High Magnetic Fields in Semiconductor Physics II, Ed by Landwehr ( Springer-Verlag Berlin, Heidelberg, 1989) p.301-p.304.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] K.Watanabe: "Observation of Surface Excitons in BiI_3 Thin Films Single Crystals Grown by The Hot Wall Technique" Solid State Communications 1990.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] S.Takeyama: "Magneto-Optical Effects of Excitons in BiI_3 Crystals under Pulsed High Magnetic Fields : Indirect and Direct Excitons" Phys. Rev. B41 1990.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] S.Takeyama: "Thin-Film Single-Crystal Growth of BiI_3 by a Hot Wall Technique" Jpn. J. Appl. Phys. 29, No.4 1990.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] T.Komatsu: "Magneto-Optical Effects of Excitons in BiI_3 Crystals under Pulsed High Magnetic Fields : Excitons Localized at Two Dimensional Defects" Phys. Rev.B 1990.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] S.Takeyama: "Van der Waals-Epitaxial Growth of Thin BiI_3 Films on PbI_2 and CdI_2 Substrates by a Hot Wall method" Appl. Phys. Lett. 1990.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] Y.Nagamure,S.Takeyama,N.Miura: "Magnetoabsorption spectre of bandーedge excitons in 2H-PbI_2 at high magnetic fields up to 40T." Physical Review B. 40. 8099-8102 (1989)

    • Related Report
      1989 Annual Research Report
  • [Publications] S.Takeyama,K.Watanabe,N.Miura,T.Komatsu,K.Koike,Y.Kaifu: "Magneto-optical effects of excitons in BiI_3 crystals under pulsed high magnetic fields: Indirect and direct excitons" Physical Review B. 41. (1990)

    • Related Report
      1989 Annual Research Report
  • [Publications] K.Watanabe,S.Takeyama,N.Miura,T.Komatsu: "Observation of surface excitions in BiI_3 thin films single crystals grown by the hot wall technigue." Solid State Communications. (1990)

    • Related Report
      1989 Annual Research Report
  • [Publications] S.Takeyama,K.Watanabe,T.Komatsu: "Thin-Film Single-Crystal Growth of BiI_3 by a Hot Wall Technique" Japanese Journal of Applied Physics. (1990)

    • Related Report
      1989 Annual Research Report
  • [Publications] T.Komatsu,K.Koike,Y.Kaifu,S.Takeyama,K.Watanabe,N.Miura: "Magneto-optical effects of excitons in BiI_3 crystals under pulsed high magnetic fields.II-Excitons Localized at two dimensional defects" Physical Review B. (1990)

    • Related Report
      1989 Annual Research Report
  • [Publications] S.Takeyama,K.Watanabe,M.Ichihara,K.Suzuki,N.Miura: "Van der Waals-epitaxial growth of thin Bii_3 films on pbI_2 and CdI_2 sobstrates by a hot wall method" Applied Physics Letters. (1990)

    • Related Report
      1989 Annual Research Report
  • [Publications] K.Watanabe;S.Tkakeyama;K.Komats;N.Miura;K.Kaifu: High Magnetic Fields in Semiconductor Physics ed by G,Landwehr (Springer-Verlag). 72. (1989)

    • Related Report
      1988 Annual Research Report
  • [Publications] K.Watanabe: J.Phys.C. (1988)

    • Related Report
      1987 Annual Research Report
  • [Publications] T.Komatsu: Phys.Rev.Letters. 58. 2259-2262 (1987)

    • Related Report
      1987 Annual Research Report
  • [Publications] N.Nagamune: Applied Physics Letters. 50. 1337-1339 (1987)

    • Related Report
      1987 Annual Research Report

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Published: 1987-04-01   Modified: 2016-04-21  

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