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PEEM imaging of the growth of organic thin films and diffusion of molecules on topological surfaces

Research Project

Project/Area Number 13450005
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Applied materials science/Crystal engineering
Research InstitutionChiba University

Principal Investigator

UENO Nobuo  Chiba University, Faculty of Engineering, Professor, 工学部, 教授 (40111413)

Co-Investigator(Kenkyū-buntansha) KERA Satoshi  Okazaki National Research Institutes, Institute for Molecular Science, Research Associate, 分子科学研究所, 助手 (10334202)
OKUDAIRA Koji  Chiba University, Graduate School and Technology, Associate Professor, 大学院・自然科学研究科, 助教授 (50202023)
Project Period (FY) 2001 – 2003
Project Status Completed (Fiscal Year 2003)
Budget Amount *help
¥14,200,000 (Direct Cost: ¥14,200,000)
Fiscal Year 2003: ¥2,700,000 (Direct Cost: ¥2,700,000)
Fiscal Year 2002: ¥3,700,000 (Direct Cost: ¥3,700,000)
Fiscal Year 2001: ¥7,800,000 (Direct Cost: ¥7,800,000)
KeywordsPEEM / Organic thin films / Organic devises / organic / metal interfaces / Surface diffusion / 有機薄膜 / 電子放射顕微鏡 / 電子状態 / 表面・界面 / 光電子分光 / 準安定励起原子電子分光
Research Abstract

A combined metastable electron emission microscopy (MEEM) and photoelectron emission microscopy (PEEM) study has been performed for copper phthalocyanine (CuPc) thin films vacuum deposited on Si(100) with a lithographic SiO_2 pattern. The MEEM image of SiO_2 pattern edges changed considerably upon deposition of very small amount of CuPc on the SiO_2/Si(100) substrate, whereas no such changes could be seen in PEEM images. The different contrast features in MEEM and PEEM can be the result of different surface sensitivities of these microscopy. The MEEM contrast characteristic for the pattern edge after the CuPc deposition may originate from the difference of the molecular orientation of CuPc which cannot be observed by PEEM. Furthermore, an unusual triangle image was observed by PEEM when a square-shaped microstructure of indium metal was deposited on a thin film of perylene-3,4,9,10-tetracarboxilicdianhydride (PTCDA) grown semi-epitaxially on a cleaved MoS_2 surface. The formation of the triangle pattern demonstrates the anisotropic surface diffusion of indium atoms on the PTCDA/MoS_2 system. The three-hold diffusion directions, which give the triangle structure, correspond excellently with the three equivalent surface crystal axes of the MoS_2 substrate. When In atoms were directly deposited on MoS_2, such diffusion was not observed, suggesting that the phenomenon is related to strong chemical interaction between In atoms and oriented PTCDA molecules.

Report

(4 results)
  • 2003 Annual Research Report   Final Research Report Summary
  • 2002 Annual Research Report
  • 2001 Annual Research Report
  • Research Products

    (21 results)

All Other

All Publications (21 results)

  • [Publications] M.Onoue: "Growth of copper-phthalocyanine thin films on structured SiO_2/Si(100) surfaces studied by MEEM and PEEM"Jpn.J.Appl.Phys.. 42Part 1, No.6A. 3588-3592 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] M.Onoue: "Evidence of anisotropic diffusion of indium atoms on a surface of perylene-3,4,9,10-tetracarboxilicdianhydride/MoS_2 system observed by photoelectron emission microscopy (PEEM)."Jpn.J.Appl.Phys.. 42. L1465-L1468 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] M.Onoue: "PEEM and SEM studies of In/PTCDA/MoS2 system : An evidence of anisotropic surface diffusion of In atoms"J.Electron spec.& Relat.Phenom.. (2004)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] H.Yasufuku: "PEEM and MEEM of Chloroaluminum Phthalocyanine Ultrathin film on MoS_2"J.Electron Spectrosc.Relat.Phenom.. 114-116. 1025-1030 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] H.Yasufuku: "Surface images of SiO_2/Si(100) pattern using electron emission microscope with metastable atoms, photons and low-energy electrons"Jpn.J.Appl.Phys.. 40. 2447 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] H.Yasufuku: "Diffusion of chloroaluminum phthalocyanine on MoS_2 surface detected by photoemission electron microscopy and metastable electron emission microscopy"J.Appl.Phys.. 90. 209-212 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] M.Onoue: "Growth of copper-phthalocyanine thin films on structured SiO_2/Si(100) surfaces studied by MEEM and PEEM"Jpn.J.Appl.Phys.. 42, Part 1, No.6A. 3588-3592 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] M.Onoue: "Evidence of anisotropic diffusion of indium atoms on a surface of perylene-3,4,9,10-tetracarboxilicdianhydride/MoS_2 system observed by photoelectron emission microscopy (PEEM)."Jpn.J.Appl.Phys.. 42. L1465-L1468 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] M.Onoue: "PEEM and SEM studies of In/PTCDA/MoS2 system : An evidence of anisotropic surface diffusion of In atoms"J.Electron spec.& Relat.Phenom.. (in press). (2004)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] M.Onoue: "Growth of copper-phthalocyanine thin films on structured SiO_2/Si(100) surfaces studied by MEEM and PEEM"Jpn.J.Appl.Phys.. 42Part 1・6A. 3588-3592 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] M.Onoue: "Evidence of anisotropic diffusion of indium atoms on a surface of perylene-3,4,9,10-tetracarboxilicdianhydride/MoS_2 system observed by photoe lectron emission microscopy (PEEM)."Jpn.J.Appl.Phys.. 42. L1465-L1468 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] M.Onoue: "PEEM and SEM studies of In/PTCDA/MoS2 system : An evidence of anisotropic surface diffusion of In atoms"J.Electron spec. & Relat.Phenom. (2004)

    • Related Report
      2003 Annual Research Report
  • [Publications] H.Setoyama, S.Kera, Koji.K.Okudaira, M.Hara, Y.Harada, N.Ueno: "Outermost Surface Reactions of Molecular Thin Films Induced by Metastable-Atom Impacts"Jpn.J.Appl.Phys.. 42. 597-601 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] H.Setoyama, S.Kera, T.murase, M.Imamura, Koji.K.Okudaira, N.Ueno: "Partial ion yield and NEXAFS of 2-(perfluorooctyl)ethanethiol self-assembled monolayer : Comparison with PTFE results"Nuclear Inst.and Methods in Physics Research. B199. 275-279 (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] H.setoyama, K.Ohara, T.Suzuki, Y.Sakamoto, Koji.K.Okudaira, N.Ueno: "Excited states of perfluorinated Oligo(p-phenylene)by inner-shell excitation"Nuclear Inst.and Methods in Physics Research. B199. 265-269 (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] H.Yamane, K.Ito, S.Kera, K.K.Okudaira, N.Ueno: "Low-energy electron transmission through organic monolayers : An estimation Of the effective monolayer potential by an excess electron interference"J.Appl.Phys.. 92. 5203-5207 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] H.Yamane, K.Ito, S.Kera, K.K.Okudaira, N.Ueno: "Low Energy Electron Transmisson Study of Indium /(perylene-3,4,9,10-Tetracarboxylic Dianhydride) System"Jpn.J.Appl.Phys. 41. 6591-6594 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Y.Azuma, K.Iwasawa, T.Kurihara, K.K.Okudaira, Y.Harada, N.Ueno: "Low energy electron diffraction of the system In-[perylene-3,4,9,10-tetracarboxylic dianhydride] on MoS2"J.Appl.Phys. 91. 5024-5028 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] H.Yasufuku: "PEEM and MEEM of chloroaluminum phthalocyanine ultrathin film on MoS2"J.Electron Spectrosc.Relat.Phenom.. 114-116. 1025-1030 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] H.Yasufuku: "Surface images of SiO2/Si(100)pattern using electron emission microscpe with metastable atoms,photons and low-energy electrons"Jpn.J.Appl.Phys.. 40. 2447-2450 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] H.Yasufuku: "Diffusion of chloroaluminum phthalocyanine on MoS2 surface detected by photoemission electron microscopy and metastable electron emission microscopy"J.Appl.Phys.. 90. 209-212 (2001)

    • Related Report
      2001 Annual Research Report

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Published: 2001-04-01   Modified: 2016-04-21  

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