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2002 Fiscal Year Final Research Report Summary

Collective Phenomena During Slow Ions / Metastable Atoms Neutralization / De-excitation at Solid Surfaces

Research Project

Project/Area Number 12640317
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field 固体物性Ⅰ(光物性・半導体・誘電体)
Research InstitutionKyushu Institute of Technology

Principal Investigator

NAZAROV Vladimir  Kyushu Institute of Technology, Faculty of Engineering, Associate Professor, 工学部, 助教授 (70315167)

Co-Investigator(Kenkyū-buntansha) NAITOH Masamichi  Kyushu Institute of Technology, Faculty of Engineering, Associate Professor, 工学部, 助教授 (60264131)
SHOJI Fumiya  Kyushu Kyoritsu University, Faculty of Engineering, Professor, 工学部, 教授 (00093419)
NISHIGAKI Satoshi  Kyushu Institute of Technology, Faculty of Engineering, Professor, 工学部, 教授 (60126943)
Project Period (FY) 2000 – 2002
KeywordsEELS / MDS / ILEED / response function / nonlinear response / 電子エネルギー損失分光 / 準安定原子
Research Abstract

The purpose of this project has been the application of the theoretical techniques of the dynamical response functions calculations to problems of the Electron Energy Loss Spectroscopy (EELS) and slow ions neutralization and metastable atoms de-excitation at solid surfaces.
1). The effects of diffraction have been proven to be of major importance in EELS.
[V. U. Nazarov and S. Nishigaki, Surf. Sci. 482-485, 640 (2001)]
2). The algorithms have been created and the computer codes have been developed to treat the excitation of surfaces by charges with account of the elastic scattering of the latter.
3). We have developed an approach in the calculation of inelastic differential cross-sections to the order Z^3, expressed in terms of quadratic retarded density-response functions, deriving by this the formula applicable to describe the electron and positron energy-loss spectroscopy as well as ions scattering.
[V. U. Nazarov and S.Nishigaki, Phys. Rev. B65, 094303 (2002)]
4). We have proposed a variant of the quadratic response theory which remains valid near and at the plasma resonance and demonstrates that the non-linearity serves itself to restrict the amplitude of plasma oscillations, thus providing a mechanism of nonlinear damping.
[V. U. Nazarov, S.Nishigaki, and T.Nagao, Phys. Rev. B 66, 092301 (2002)]

  • Research Products

    (8 results)

All Other

All Publications (8 results)

  • [Publications] V.U.Nazarov: "Nonlinear mechanism of plasmon damping in electron gas"Physical Review B. 66. 092301 (2002)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] V.U.Nazarov: "Z^3 theory of quantum inelastic scattering of charges by solids"Physical Review B. 65. 094303 (2002)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] V.U.Nazarov: "Inelastic low energy electron diffraction at metal surfaces"Surface Science. 482-485. 640-647 (2001)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] V.U.Nazarov: "Inelastic electron scattering at metal surfaces : the role of elastic scattering"Vacuum. 63. 151-155 (2001)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] V. U. Nazarov.: "Nonlinear mechanism of plasmon damping in electron gas"Phys. Rev.. B66. 092301 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] V. U. Nazarov.: "Z^3 theory of quantum inelastic scattering of charges by solids"Phys. Rev.. B65. 094303 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] V. U. Nazarov.: "Inelastic Low Energy Electron Diffraction at Metal Surfaces"Surf. Sci.. 482-485. 640-647 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] V. U. Nazarov.: "Inelastic Electron Scattering at Metal Surfaces: the Role of Elastic Scattering"Vacuum. 63. 151-155 (2001)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2004-04-14   Modified: 2021-04-07  

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