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New Approach to High-Pressure Nuclear Magnetic Resonance with Anvil Cells |
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| Authors: | T Meissner S K Goh J Haase B Meier D Rybicki P L Alireza |
| Affiliation: | 1. Faculty of Physics and Earth Science, University of Leipzig, 04103, Leipzig, Germany 2. Cavendish Laboratory, University of Cambridge, J. J. Thomson Avenue, Cambridge, CB3 0HE, UK 3. Department of Physics and Astronomy, University College London, Gower Street, London, WC1E 6BT, UK |
| Abstract: | A novel approach that uses radio-frequency microcoils in the high-pressure region of anvil cells with Nuclear Magnetic Resonance (NMR) experiments is described. High-sensitivity Al NMR data at 70 kbar for Al metal are presented for the first time. An expected decrease in the Al Knight shift at 70 kbar is observed, as well as an unexpected change in the local charge symmetry at the Al nucleus. The latter is not predicted by chemical structure analysis under high pressure. |
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