Search Results - "Takeiri, Fumitaka"

Recent Progress on Mixed-Anion Materials for Energy Applications by Maeda, Kazuhiko, Takeiri, Fumitaka, Kobayashi, Genki, Matsuishi, Satoru, Ogino, Hiraku, Ida, Shintaro, Mori, Takao, Uchimoto, Yoshiharu, Tanabe, Setsuhisa, Hasegawa, Tetsuya, Imanaka, Nobuhito, Kageyama, Hiroshi

“…Mixed-anion compounds, in which multiple anions such as O2−, N3−, and H− are contained in the same compound, have recently attracted attention. Because…”
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Chemical Pressure-Induced Anion Order–Disorder Transition in LnHO Enabled by Hydride Size Flexibility by Yamashita, Hiroki, Broux, Thibault, Kobayashi, Yoji, Takeiri, Fumitaka, Ubukata, Hiroki, Zhu, Tong, Hayward, Michael A, Fujii, Kotaro, Yashima, Masatomo, Shitara, Kazuki, Kuwabara, Akihide, Murakami, Taito, Kageyama, Hiroshi

“…While cation order–disorder transitions have been achieved in a wide range of materials and provide crucial effects in various physical and chemical…”
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Strain-induced creation and switching of anion vacancy layers in perovskite oxynitrides by Yamamoto, Takafumi, Chikamatsu, Akira, Kitagawa, Shunsaku, Izumo, Nana, Yamashita, Shunsuke, Takatsu, Hiroshi, Ochi, Masayuki, Maruyama, Takahiro, Namba, Morito, Sun, Wenhao, Nakashima, Takahide, Takeiri, Fumitaka, Fujii, Kotaro, Yashima, Masatomo, Sugisawa, Yuki, Sano, Masahito, Hirose, Yasushi, Sekiba, Daiichiro, Brown, Craig M., Honda, Takashi, Ikeda, Kazutaka, Otomo, Toshiya, Kuroki, Kazuhiko, Ishida, Kenji, Mori, Takao, Kimoto, Koji, Hasegawa, Tetsuya, Kageyama, Hiroshi

“…Perovskite oxides can host various anion-vacancy orders, which greatly change their properties, but the order pattern is still difficult to manipulate…”
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Effects of mechanical grinding on the phase behavior and anhydrous proton conductivity of imidazolium hydrogen succinate by Dekura, Shun, Sunairi, Yoshiya, Okamoto, Kei, Takeiri, Fumitaka, Kobayashi, Genki, Hori, Yuta, Shigeta, Yasuteru, Mori, Hatsumi

“…Anhydrous organic proton conductors have attracted considerable attention as potential candidates for next-generation solid electrolytes in fuel cells. For…”
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Trihalide Mixing by Size-Flexible H– Ions in Layered Ba2H3 (Cl, Br, I) by Ubukata, Hiroki, Takeiri, Fumitaka, Tassel, Cédric, Kobayashi, Shintaro, Kawaguchi, Shogo, Saito, Takashi, Kamiyama, Takashi, Kobayashi, Shunsuke, Kobayashi, Genki, Kageyama, Hiroshi

“…According to the Hume-Rothery rule, anions with a large difference in ionic radii, for example, chloride and iodide anions, cannot form solid solutions. In…”
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Impact of Na Concentration on the Phase Transition Behavior and H− Conductivities in the Ba–Li–Na–H–O Oxyhydride System by Okamoto, Kei, Takeiri, Fumitaka, Imai, Yumiko, Yonemura, Masao, Saito, Takashi, Ikeda, Kazutaka, Otomo, Toshiya, Kamiyama, Takashi, Kobayashi, Genki

“…K2NiF4‐type Ba–Li oxyhydride (BLHO) transitions to a so‐called hydride superionic conductor, exhibiting a high and essentially temperature‐independent hydride…”
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Suppression of H–/O2– exchange by incorporated nitride anions in the perovskite lattice by Takeiri, Fumitaka, Yajima, Takeshi, Yamamoto, Takafumi, Kobayashi, Yoji, Matsui, Toshiaki, Hester, James, Kageyama, Hiroshi

“…We investigate the low temperature anion exchange behavior of hydride and oxide in perovskite oxynitrides. CaH2 reduction of (Sr1–xLax)Ti(O3–xNx) (0<x ≤ 1)…”
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ZnTaO2N: Stabilized High-Temperature LiNbO3‑type Structure by Kuno, Yoshinori, Tassel, Cédric, Fujita, Koji, Batuk, Dmitry, Abakumov, Artem M, Shitara, Kazuki, Kuwabara, Akihide, Moriwake, Hiroki, Watabe, Daichi, Ritter, Clemens, Brown, Craig M, Yamamoto, Takafumi, Takeiri, Fumitaka, Abe, Ryu, Kobayashi, Yoji, Tanaka, Katsuhisa, Kageyama, Hiroshi

“…By using a high-pressure reaction, we prepared a new oxynitride ZnTaO2N that crystallizes in a centrosymmetric (R3̅c) high-temperature LiNbO3-type structure…”
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A labile hydride strategy for the synthesis of heavily nitridized BaTiO3 by Yajima, Takeshi, Takeiri, Fumitaka, Aidzu, Kohei, Akamatsu, Hirofumi, Fujita, Koji, Yoshimune, Wataru, Ohkura, Masatoshi, Lei, Shiming, Gopalan, Venkatraman, Tanaka, Katsuhisa, Brown, Craig M., Green, Mark A., Yamamoto, Takafumi, Kobayashi, Yoji, Kageyama, Hiroshi

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Single Crystal Growth of Sillén–Aurivillius Perovskite Oxyhalides Bi4NbO8X (X = Cl, Br) by Zhong, Chengchao, Kato, Daichi, Takeiri, Fumitaka, Fujii, Kotaro, Yashima, Masatomo, Nishiwaki, Emily, Fujii, Yasuhiro, Koreeda, Akitoshi, Tassel, Cédric, Abe, Ryu, Kageyama, Hiroshi

“…Sillén–Aurivillius perovskite Bi4NbO8X (X = Cl, Br) is a promising photocatalyst for water splitting under visible light, as well as a potential ferroelectric…”
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Hydride Conductivity in an Anion-Ordered Fluorite Structure LnHO with an Enlarged Bottleneck by Ubukata, Hiroki, Broux, Thibault, Takeiri, Fumitaka, Shitara, Kazuki, Yamashita, Hiroki, Kuwabara, Akihide, Kobayashi, Genki, Kageyama, Hiroshi

“…We report on the hydride (H–) conductivity in fluorite-type LnHO oxyhydrides (Ln = lanthanide) using samples prepared under high pressure. It is found that,…”
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Topochemical anion insertion into one-dimensional Bi channels in Bi2PdO4 by Takeiri, Fumitaka, Yajima, Takeshi, Hosokawa, Saburo, Matsushita, Yoshitaka, Kageyama, Hiroshi

“…We show anion intercalation reaction to ternary palladate Bi2PdO4 (P4/ncc) with one-dimensional (1D) channels comprised of Bi3+ ions. By low-temperature…”
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Electropositive Metal Doping into Lanthanum Hydride for H − Conducting Solid Electrolyte Use at Room Temperature by Izumi, Yoshiki, Takeiri, Fumitaka, Okamoto, Kei, Saito, Takashi, Kamiyama, Takashi, Kuwabara, Akihide, Kobayashi, Genki

“…Abstract Hydride ion conductors have made remarkable progress in recent years; in particular, the fluorite‐type LaH 3‐δ series exhibits high conductivity…”
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Electropositive Metal Doping into Lanthanum Hydride for H − Conducting Solid Electrolyte Use at Room Temperature (Adv. Energy Mater. 43/2023) by Izumi, Yoshiki, Takeiri, Fumitaka, Okamoto, Kei, Saito, Takashi, Kamiyama, Takashi, Kuwabara, Akihide, Kobayashi, Genki

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Hydride-ion-conducting K2NiF4-type Ba–Li oxyhydride solid electrolyte by Takeiri, Fumitaka, Watanabe, Akihiro, Okamoto, Kei, Bresser, Dominic, Lyonnard, Sandrine, Frick, Bernhard, Ali, Asad, Imai, Yumiko, Nishikawa, Masako, Yonemura, Masao, Saito, Takashi, Ikeda, Kazutaka, Otomo, Toshiya, Kamiyama, Takashi, Kanno, Ryoji, Kobayashi, Genki

“…Hydrogen transport in solids, applied in electrochemical devices such as fuel cells and electrolysis cells, is key to sustainable energy societies. Although…”
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A labile hydride strategy for the synthesis of heavily nitridized BaTiO3 by Yajima, Takeshi, Takeiri, Fumitaka, Aidzu, Kohei, Akamatsu, Hirofumi, Fujita, Koji, Yoshimune, Wataru, Ohkura, Masatoshi, Lei, Shiming, Gopalan, Venkatraman, Tanaka, Katsuhisa, Brown, Craig M., Green, Mark A., Yamamoto, Takafumi, Kobayashi, Yoji, Kageyama, Hiroshi

“…Oxynitrides have been explored extensively in the past decade because of their interesting properties, such as visible-light absorption, photocatalytic…”
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Trihalide Mixing by Size-Flexible H – Ions in Layered Ba 2 H 3 (Cl, Br, I) by Ubukata, Hiroki, Takeiri, Fumitaka, Tassel, Cédric, Kobayashi, Shintaro, Kawaguchi, Shogo, Saito, Takashi, Kamiyama, Takashi, Kobayashi, Shunsuke, Kobayashi, Genki, Kageyama, Hiroshi

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Selective Hydride Interstitials Induced in a High-Entropy Lanthanide Oxyhydride by Vaishnav, Yuvraj, Rai, Rohit K., Al Maksoud, Walid, Takeiri, Fumitaka, Hayama, Shusaku, Yaguchi, Hiroshi, Ould-Chikh, Samy, Toth, Marcell, Bacha, Raza Ullah Shah, Davaasuren, Bambar, Avdeev, Maxim, Kobayashi, Genki, Kobayashi, Yoji

“…High-entropy materials have gained significant interest in many applications, but structural investigations of the effect on anions in the crystal structure…”
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High H – Conductivities along the ab -Planes of La 2 LiHO 3 Epitaxial Thin Films by Sasahara, Yuki, Hirose, Takashi, Yoshimoto, Masataka, Matsui, Naoki, Kobayashi, Shigeru, Ubukata, Hiroki, Takeiri, Fumitaka, Suzuki, Kota, Hirayama, Masaaki, Nishio, Kazunori, Shimizu, Ryota, Kanno, Ryoji, Kobayashi, Genki, Hitosugi, Taro

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High H– Conductivities along the ab-Planes of La2LiHO3 Epitaxial Thin Films by Sasahara, Yuki, Hirose, Takashi, Yoshimoto, Masataka, Matsui, Naoki, Kobayashi, Shigeru, Ubukata, Hiroki, Takeiri, Fumitaka, Suzuki, Kota, Hirayama, Masaaki, Nishio, Kazunori, Shimizu, Ryota, Kanno, Ryoji, Kobayashi, Genki, Hitosugi, Taro

“…We report the formation of La2LiHO3 epitaxial thin films and the high H– conductivities in the ab-planes of the crystals. Single-phase La2LiHO3 (001) epitaxial…”
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