Hyperfine Interactions

, Volume 67, Issue 1–4, pp 641–653 | Cite as

A new probe for local structure: Paramagnetic hyperfine structure in Nd3+ Mössbauer spectra

  • M. Winterer
  • E. Mörsen
  • B. D. Mosel
  • W. Müller-Warmuth
Relaxation Effects


The4I9/2 ground state of Nd3+ (4f3) is split by a crystal field of lower than cubic symmetry into five Kramer doublets. The magnetic hyperfine interactions can be calculated by using an effective magnetic hyperfine tensor Ã, which is obtained from the linear combination coefficients of the ground state doublet eigenvector. The hyperfine tensor à and the line shape depend strongly on the local structure of the system. Nondiagonal magnetic hyperfine interactions produce nonadiabatic relaxation. Corresponding lineshapes are calculated by means of the Clauser-Blume model and the eigenvalue treatment of superoperators. We found for Nd3+ in the investigated laser phosphate glass a network-forming function consistent with aC 3h orD 3h point symmetry.


Phosphate Thin Film Linear Combination Local Structure Line Shape 
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Copyright information

© J.C. Baltzer A.G. Scientific Publishing Company 1991

Authors and Affiliations

  • M. Winterer
    • 1
  • E. Mörsen
    • 1
  • B. D. Mosel
    • 1
  • W. Müller-Warmuth
    • 1
  1. 1.Institut für Physikalische Chemie der Universität MünsterMünsterGermany

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