Angle-resolved photoemission spectroscopy study of Fe(110) single crystal: Many-body interactions between quasi-particles at the Fermi level

[摘要] A high-resolution angle-resolved photoemission spectroscopy (ARPES) study of Fe(110) single crystal was conducted to elucidate many-body interactions between quasi-particles at the Fermi level at low-temperature. Two kink structures were observed in the energy-band dispersion at the binding energies of similar to 40 meV and similar to 270 meV for the bulk-derived band on the majority-spin Fermi surface around the F point. Based on analyses of the experimentally obtained real parts of the self-energy, these kink structures are derived from electron-phonon and electron-magnon interactions. (C) 2007 Elsevier B.V. All rights reserved.

[发布日期] 2007-09-15

[效力级别]  Proceedings Paper

[关键词] angle-resolved photoemission spectroscopy;Fe(110);self-energy;electron-phonon interaction;electron-magnon interaction