Electron Spin Polarization at Ferromagnetic Single Crystalline Nickel Surfaces Determined through Electron Capture by Scattered Deuterons

  • Carl Rau
  • Rudolf Sizmann


A beam of 150 keV deuterons is scattered at grazing incidence on a nickel single crystal surface (hkl) placed in a magnetic field. Polarized electrons captured by the scattered deuterons can orient the deuteron nuclei via the hyperfine interaction. Their polarization is then a measure of the original electron polarization and is determined from the angular distribution of the alpha-particles emitted in a T(d,n)4He reaction.

The electron spin polarization is found to be parallel to the magnetizing field in the nickel at (100) [110], (110) [110], (111) [121], and (111) [110], antiparallel in (120) [210]. The symbols in the brackets indicate the beam direction, the magnetization being in the plane and perpendicular to the beam direction. An electron spin polarization of (96.1±2.8)% is found at the (110) surface, other surfaces giving as yet lower values.


Spin Polarization Nickel Surface Electron Spin Polarization Target Chamber Pole Piece 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media New York 1975

Authors and Affiliations

  • Carl Rau
    • 1
  • Rudolf Sizmann
    • 2
  1. 1.Sektion PhysikUniversität MünchenMunich 40Germany
  2. 2.Physics DivisionEuratomCCR-IspraItaly

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