Evidence of Hg-chain formation in Hg x TiS2: a199mHg-TDPAC study |
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Authors: | W. Tröger T. Butz G. Ouvrard |
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Affiliation: | (1) Physik-Department, Technische Universität München, 85747 Garching, Germany;(2) Institut des Matériaux de Nantes, 44072 Nantes, France |
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Abstract: | We determined the199mHg nuclear quadrupole interaction in the misfit or superstoichiometric compound HgxTiS2 by time differential perturbed angular correlation. A unique Hg-site withvQ=511(1) MHz and =0.410(4) was observed, irrespective of the Hg-uptake (2/3x4/3). We propose a model of Hg-Hg zig-zag chains which accounts for these observations as well as for the X-ray diffraction data. |
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