Paramagnetic hyperfine structure of193Ir in K2IrCl6 diluted into K2PtCl6 |
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Authors: | F E Wagner H v Brandis |
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Institution: | (1) Physics Department, Technical University of Munich, D-8046 Garching, Germany |
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Abstract: | The paramagnetic hyperfine splitting of Ir4+ (5d5) in K2IrCl6 diluted into diamagnetic K2PtCl6 has been observed at 4.2 K and Ir∶Pt ratios of 1∶10 and 1∶25. In the latter case a narrow paramagnetic pattern with a hyperfine
coupling constant ofA=−13.1(2) mm/s was observed, but both samples also exhibit a single Ir4+ line typical for fast relaxation, either because of macroscopic inhomogeneities in the Ir distribution or because part of
the Ir spins are still coupled to nearest Ir neighbours. |
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