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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 für Plasmaphysik, Garching bei München (DE);DOSE V, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE)
Bibliographic Reference: Article: Europhysics Letters, Vol. 9 (1989) No. 8, pp. 821-826
Record Number: 199010518 / Last updated on: 1994-12-01
Original language: en
Available languages: en