Zeitschrift für Physik

, Volume 193, Issue 1, pp 13–22 | Cite as

X-ray isochromats of some rare earth elements

  • Staffan Bergwall


Recordings of the isochromat curves of the rare earth elements 64 Gd to 71 Lu have been made by means of a high vacuum spectrometer provided with a bent topaz crystal. The information concerning the density of statesN(E) near the Fermi limit is compared with that deduced from specific heat measurements. The results obtained from the isochromat curves are rather constant, which on account of the atomic configuration in these elements is expected.

An observed anomaly in the band structure of Tb metal is discussed. The appearance of this anomaly indicates that a rigid band model is not applicable to some of the actual elements.


Rare Earth Elementary Particle Band Structure Earth Element High Vacuum 
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Copyright information

© Springer-Verlag 1966

Authors and Affiliations

  • Staffan Bergwall
    • 1
  1. 1.Department of PhysicsUniversity of UppsalaSweden

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