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Abstract

The unoccupied Z(2)-d band in Ni(110) was studied as a function of temperature employing spin-resolved inverse photoemission. This band has only the majority spin states occupied at T=0 and contributes therefore to the ferromagnetism in nickel. As a function of temperature, the data show majority and minority features merging together upon approaching the Curie temperature T(c). This result indicates either a temperature-dependent exchange splitting vanishing at T(c) or (assuming a temperature-independent local exchange splitting) only a small amount of short-range magnetic order in nickel at T(c).

Additional information

Authors: DONATH M, MAX-PLANCK-INSTITUT FUER PLASMAPHYSIK, GARCHING BEI MUENCHEN (DE);DOSE V MAX-PLANCK-INSTITUT FUER PLASMAPHYSIK, GARCHING BEI MUENCHEN (DE), MAX-PLANCK-INSTITUT FUER PLASMAPHYSIK, GARCHING BEI MUENCHEN (DE)
Bibliographic Reference: ARTICLE: EUROPHYSICS LETTERS, VOL. 9 (1989) NO. 8, PP. 821-826
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