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Structural disorder and diffusional pathway of oxide ions in a doped Pr2NiO4-based mixed conductor |
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| Authors: | Yashima Masatomo Enoki Makiko Wakita Takahiro Ali Roushown Matsushita Yoshitaka Izumi Fujio Ishihara Tatsumi |
| Institution: | Department of Materials Science and Engineering, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-Ku, Yokohama, Kanagawa 226-8502, Japan. yashima@materia.titech.ac.jp |
| Abstract: | MEM nuclear density analysis from neutron diffraction data measured in situ at 1015.6 degrees C has indicated the two-dimensional network of curved O2-O3-O2 oxide-ion diffusion paths on the (Pr,La)-O layer in a K2NiF4-type structured oxide-ionic and electronic mixed conductor (Pr0.9La0.1)2(Ni0.74Cu0.21Ga0.05)O4+delta. |
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