Breakdown of Dipole Selection Rules in Electron-Excited 3p-3d Transitions within Localized Transition-Metal Ions at Low Incident Energies

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概要

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• Metal M.., inner-shell electron-energy-loss spectra in layered transition-metal tri-thiophosphates MPS. (M=Mn, Fe, Ni) have been measured at low incident energiesin reflection geometry. The spectra reveal the mulCiplet structures of the final states oflocalized divalent metal ions. The relative intensities of' the peaks are variedsystematically as incident energy decreases. Large deviation from the X-ray absorp-lion spectra are found at low incident energies. TFte variations are interpreted in termsof the incident energy dependence of momentum transfer involved in the inelastic scat-tering process and exchange interaction between incident and target electrons. It isfound that dipole selection rules are broken in 3p-3d transitions within the localized3d transition-metal ions as incident energy approaches the excitation threshold.

• 社団法人日本物理学会の論文
• 1987-10-15

著者

• OHNO Youichi

  Department of Electrical and Electronic Engineering,Faculty of Engineering,Utsunomiya University

• Ohno Youichi

  Department Of Applied Physics Faculty Of Engineering Utsunomiya University

• Ohno Youichi

  Department Of Physics Faculty Of General Education Utsunomiya University

関連論文

• Mg Intercalation and Ca Substitution for Bi in (BiS)_ (TiS_2)_n (n=1 and 2)
• Multiplet Structures of Metal L_ Absorption Spectra of Ionic 3d Transition-Metal compounds
• X-Ray K-Absorption Spectra and Electronic Structures of Vanadium Hydrides and Deuterides
• Scanning Tunneling Microscopy, X-Ray Photoelectron Spectroscopy and Electron Energy-Loss Spectroscopy Studies of the Misfit Layer Compounds {(Pb_Sb_xS)_}mTS 2 (T=Ti and Nb; m=1 and 2)
• Breakdown of Dipole Selection Rules in Electron-Excited 3p-3d Transitions within Localized Transition-Metal Ions at Low Incident Energies
• Raman and Infrared Spectra of Misfit Layer Compounds MNbS_3 (M=Sn, Pb, La, Ce)

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