Eiki Niwa
Eiki Niwa
確認したメール アドレス: i2cner.kyushu-u.ac.jp - ホームページ
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引用先
Preparation of dense ZrO2/ZrW2O8 cosintered ceramics with controlled thermal expansion coefficients
丹羽栄貴, 若御子修司, 市川崇晃, 王紹栄, 橋本拓也, 高橋宏滋, ...
Journal of the Ceramic Society of Japan (日本セラミックス協会学術論文誌) 112 …, 2004
722004
Sintering temperature dependence of conductivity, porosity and specific surface area of LaNi0. 6Fe0. 4O3 ceramics as cathode material for solid oxide fuel cells—Superiority of …
E Niwa, C Uematsu, T Hashimoto
Materials Research Bulletin 48 (1), 1-6, 2013
402013
Conductivity and sintering property of LaNi1− xFexO3 ceramics prepared by Pechini method
E Niwa, C Uematsu, E Miyashita, T Ohzeki, T Hashimoto
Solid State Ionics 201 (1), 87-93, 2011
312011
Thermal expansion and phase transition behavior of Al2-xMx (WO4) 3 (M= Y, Ga and Sc) Ceramics
T Sugimoto, Y Aoki, E Niwa, T Hashimoto, Y Morito
Journal of the Ceramic Society of Japan 115 (1339), 176-181, 2007
272007
Thermodynamic analyses of structural phase transition of Pr2NiO4+ δ involving variation of oxygen content
E Niwa, K Wakai, T Hori, K Yashiro, J Mizusaki, T Hashimoto
Thermochimica Acta 575, 129-134, 2014
262014
High performance of electroless-plated platinum electrode for electrochemical hydrogen pumps using strontium-zirconate-based proton conductors
T Sakai, H Matsumoto, T Kudo, R Yamamoto, E Niwa, S Okada, ...
Electrochimica acta 53 (28), 8172-8177, 2008
242008
Analysis of structural phase transition of Nd2NiO4+ δ by scanning thermal measurement under controlled oxygen partial pressure
E Niwa, T Nakamura, J Mizusaki, T Hashimoto
Thermochimica acta 523 (1-2), 46-50, 2011
202011
Direct evidence for two-dimensional oxide-ion diffusion in the hexagonal perovskite-related oxide Ba 3 MoNbO 8.5− δ
M Yashima, T Tsujiguchi, K Fujii, E Niwa, S Nishioka, JR Hester, K Maeda
Journal of Materials Chemistry A 7 (23), 13910-13916, 2019
162019
Experimental visualization of oxide-ion diffusion paths in pyrochlore-type Yb2Ti2O7
W Uno, K Fujii, E Niwa, S Torii, P Miao, T Kamiyama, M Yashima
Journal of the Ceramic Society of Japan 126 (5), 341-345, 2018
162018
Evaluation of reaction kinetics of CO2 and Li4SiO4 by thermogravimetry under various CO2 partial pressures
S Kaniwa, M Yoshino, E Niwa, T Hashimoto
Materials Research Bulletin 97, 56-60, 2018
162018
Oxide-ion conduction in the Dion–Jacobson phase CsBi 2 Ti 2 NbO 10− δ
W Zhang, K Fujii, E Niwa, M Hagihala, T Kamiyama, M Yashima
Nature communications 11 (1), 1-8, 2020
152020
Dependence of thermal expansion of LaNi0. 6Fe0. 4O3− δ and La0. 6Sr0. 4Co0. 2Fe0. 8O3− δ on oxygen partial pressure
E Niwa, T Hashimoto
Solid State Ionics 285, 187-194, 2016
152016
Evaluation of Specific Surface Area and Pore Size Distribution of LaNi0.6Fe0.4O3 Ceramics Prepared using Pechini Method by N2 Adsorption Method …
E Niwa, C Uematsu, T Hashimoto
Journal of the American Ceramic Society 95 (12), 3802-3806, 2012
142012
Chemical state of Fe in LaNi 1− x Fe x O 3 and its effect on electrical conduction property
T Hashimoto, E Niwa, C Uematsu, E Miyashita, T Ohzeki, K Shozugawa, ...
Hyperfine Interactions 206 (1), 47-50, 2012
122012
Discovery of a Rare-Earth-Free Oxide-Ion Conductor Ca3Ga4O9 by Screening through Bond Valence-Based Energy Calculations, Synthesis, and …
Y Yasui, E Niwa, M Matsui, K Fujii, M Yashima
Inorganic chemistry 58 (14), 9460-9468, 2019
112019
Discovery of Oxide-Ion Conductors with a New Crystal Structure, BaSc2–xAxSi3O10–x/2 (A = Mg, Ca) by Screening Sc-Containing Oxides through the …
E Niwa, M Yashima
ACS Applied Energy Materials 1 (8), 4009-4015, 2018
112018
Preparation of Ba1− xLaxFeO3− δ (x= 0.1–0.6) with cubic perovskite phase and random distribution of oxide ion vacancy and their electrical conduction property and thermal …
T Okiba, T Sato, F Fujishiro, E Niwa, T Hashimoto
Solid State Ionics 320, 76-83, 2018
112018
Crystal structure of blue-colored ceria during redox reactions in a hydrogen atmosphere
T Matsukawa, A Hoshikawa, E Niwa, M Yashima, T Ishigaki
CrystEngComm 20 (2), 155-158, 2018
112018
Analysis of chemical reaction between Li4SiO4 and CO2 by thermogravimetry under various CO2 partial pressures—Clarification of CO2 partial pressure and temperature region of …
S Kaniwa, M Yoshino, E Niwa, M Yashima, T Hashimoto
Materials Research Bulletin 94, 134-139, 2017
112017
Electrical conduction mechanism of LaNixMe1− xO3− δ (Me= Fe, Mn)
E Niwa, H Maeda, C Uematsu, T Hashimoto
Materials Research Bulletin 70, 241-247, 2015
112015
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