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Abstract

The experimental information on magnetic bands and their temperature dependence is distorted by Fermi distribution and apparatus function. The recovery of the spectral density constitutes an inversion problem. The maximum entropy regularisation is invoked to deconvolute spin-resolved inverse photoemission data of Ni(110). The effective energy resolution is improved by a factor of 5 and structures below E(F), which are generally lost in inverse photoemission, are recovered. The temperature-dependent data for Ni clearly reveal a pair of spin-split bands. The splitting vanishes on approaching the Curie temperature.

Additional information

Authors: VON DER LINDEN W, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);DONATH M, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);DOSE V, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE)
Bibliographic Reference: Article: Physical Review Letters, Vol. 71 (1993) No. 6, pp. 899-902
Record Number: 199311545 / Last updated on: 1994-11-28
Category: PUBLICATION
Original language: en
Available languages: en