Development of practical space-efficient high-pressure apparatus and its application for NMR studies of strongly-correlated-electron systems

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We have developed new ultrahigh-pressure NMR technique to reach 10 GPa and over. This time we improved wiring method for our high-pressure cell, which features very large sample. The new method enables us to handle many electrodes and optical fiber beyond 10 GPa for the first time. Also we have performed single-crystal growth of iron-based superconductors, and reported detailed magnetic structures of the parent compound, and magnetism/superconducting coexisting state induced by a chemical pressure.