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Kei Okamoto, Fumitaka Takeiri, Yumiko Imai, Masao Yonemura, Takashi Saito, Kazutaka Ikeda, Toshiya Otomo, Takashi Kamiyama, Genki Kobayashi. Impact of Na Concentration on the Phase Transition Behavior and H - Conductivities in the Ba-Li-Na-H-O Oxyhydride System. Advanced Science. 2022. 2203541-2203541