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Zeitschrift für Naturforschung A

A Journal of Physical Sciences

Editor-in-Chief: Holthaus, Martin

Editorial Board: Fetecau, Corina / Kiefer, Claus

12 Issues per year


IMPACT FACTOR 2016: 1.432

CiteScore 2017: 1.30

SCImago Journal Rank (SJR) 2017: 0.403
Source Normalized Impact per Paper (SNIP) 2017: 0.632

Online
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1865-7109
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Volume 51, Issue 8

Issues

EPR Studies of Tb 4+ in Single Crystals of Zircon and Scheelite Structure Silicates and Germanates

S. Hansen
  • Institut für Physikalische Chemie der Westfälischen Wilhelms-Universität, Schlossplatz 4/7, D-48149 Münster
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ B. D. Mosel
  • Institut für Physikalische Chemie der Westfälischen Wilhelms-Universität, Schlossplatz 4/7, D-48149 Münster
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ W. Müller-Warmuth
  • Institut für Physikalische Chemie der Westfälischen Wilhelms-Universität, Schlossplatz 4/7, D-48149 Münster
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ P. E. Fielding
  • The University of New England, The Geophysical Research Institute, Armidale, NSW 2351, Australia
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2014-06-02 | DOI: https://doi.org/10.1515/zna-1996-0801

Abstract

Electron paramagnetic resonance spectra of tetravalent terbium ions have been observed in host crystals of ZrSiO4 , HfSiO4 , ThSiO4 , ThGeO4 (zircon structure) and ZrGeO4 , HfGeO4 (scheelite structure) at X band and Q band and various temperatures. The spin Hamiltonian parameters have been determined from the rotational diagrams; the zero field splittings turned out to be extremely large, so that complex spectra far from the strong magnetic field limit had to be analyzed. In all the compounds Tb4+ substitutes for the tetragonal metal lattice sites. The incorporation of terbium, the origin of the large second-order parameters and comparisons with the spectra of trivalent gadolinium in similar systems are discussed.

About the article

Received: 1996-05-14

Published Online: 2014-06-02

Published in Print: 1996-08-01


Citation Information: Zeitschrift für Naturforschung A, Volume 51, Issue 8, Pages 885–894, ISSN (Online) 1865-7109, ISSN (Print) 0932-0784, DOI: https://doi.org/10.1515/zna-1996-0801.

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© 1946 – 2014: Verlag der Zeitschrift für Naturforschung. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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