JST-ERATO, Shimoda Nano-Liquid Process Project Green Devices Research Center, Japan Advanced Institute of Science and Technology
Eiji Ikenaga
SPring-8 / Japan Synchrotron Radiation Research Institute
Tatsuya Shimoda
JST-ERATO, Shimoda Nano-Liquid Process Project Green Devices Research Center, Japan Advanced Institute of Science and Technology School of Materials Science, Japan Advanced Institute of Science and Technology
Our unusual p-type oxide, Ni-Rh-O, showed unprecedentedly low resistivity (10-4 – 10-5 ohm cm) and metallic conduction. HXPES indicated nickel in the Ni2+ state while rhodium mainly in the Rh0 state, suggesting a phase composition of Rh5.14(NiO)(Rh2O3)0.13C0.16. A Rh0 core-oxide shell-structure was proposed to explain the unusual conduction properties.
