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The cooperative spin transition in [FexZn1 − x(ptz)6](BF4)2: I. Elastic properties — an oriented sample rotation study by Brillouin spectroscopy

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Zeitschrift für Physik B Condensed Matter

Abstract

The complete set of seven elastic constants of the Fe(II) spincrossover compound [Fe(ptz)6] (BF4)2 (ptz = 1-propyltetrazole) with crystal symmetry R3i was measured by Brillouin spectroscopy at 300K. The measurement on the plate-like single crystals were performed using an oriented sample rotation technique and the combination of two scattering geometries. For comparison the elastic constants of two isostructural compounds were also measured at 300K: the analogous perchlorate spin-crossover compound [Fe(ptz)6] (ClO4)2 and the zinc complex [Zn(ptz)6] (BF4)2. The knowledge of the elastic constants is neccessary for the calculation of the elastic interaction between the spincrossover molecules, and this is the first time that the complete set of elastic constants of a spincrossover compound has been measured directly.

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Authors and Affiliations

  1. Institut für Anorganische Chemie und Analytische Chemie, Johannes Gutenberg-Universität Mainz, Staudinger Weg 9, D-55099, Mainz, Germany

    J. Jung, H. Spiering & P. Gütlich

  2. Institut für Physik, Johannes Gutenberg-Universität Mainz, Staudinger Weg 7, D-55099, Mainz, Germany

    F. Bruchhäuser & R. Feile

Authors
  1. J. Jung
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  2. F. Bruchhäuser
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  3. R. Feile
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  4. H. Spiering
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  5. P. Gütlich
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In partial fulfillment of his Ph.D. Thesis

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Jung, J., Bruchhäuser, F., Feile, R. et al. The cooperative spin transition in [FexZn1 − x(ptz)6](BF4)2: I. Elastic properties — an oriented sample rotation study by Brillouin spectroscopy. Zeitschrift für Physik B Condensed Matter 100, 517–522 (1996). https://doi.org/10.1007/s002570050156

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  • DOI: https://doi.org/10.1007/s002570050156

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