Oxygen Nonstoichiometry in YBaCo₄O₇₊_δ:  Large Low-Temperature Oxygen Absorption/Desorption Capability

M. Karppinen, H. Yamauchi, Shinya Otani, +5

Chemistry of Materials

Materials ScienceInorganic ChemistryOxygen StorageOxygen NonstoichiometryEngineering +11

Simultaneously enhanced thermoelectric power and reduced resistivity of NaxCo2O4 by controlling Na nonstoichiometry

Teruki Motohashi, Evaldas Naujalis, Ryota Ueda, +3

Applied Physics Letters

Materials ScienceMaterials EngineeringSolid-state IonicNaxco2o4 SamplesEngineering +12

Evidence for Oxygen Vacancies in Misfit-Layered Calcium Cobalt Oxide, [CoCa₂O₃]<i>_q</i>CoO₂

Maarit Karppinen, Helmer Fjellvåg, T. Konno, +3

Chemistry of Materials

Materials ScienceInorganic ChemistryEnvironmental ChemistryMaterials EngineeringChemical Engineering +11

Remarkable Oxygen Intake/Release Capability of BaYMn₂O_5+δ: Applications to Oxygen Storage Technologies

Teruki Motohashi, Taku Ueda, Yuji Masubuchi, +4

Chemistry of Materials

Materials ScienceDouble Perovskite Baymn2o5+δChemical EngineeringOxygen Reduction ReactionOxygen Storage Technologies +9

Oxygen Storage Capability of Brownmillerite-type Ca₂AlMnO_5+δ and Its Application to Oxygen Enrichment

Teruki Motohashi, Yuka Hirano, Yuji Masubuchi, +3

Chemistry of Materials

Materials ScienceOxygen StorageChemical EngineeringOxygen Reduction ReactionEngineering +6

First-Principles Study on Relaxor-Type Ferroelectric Behavior without Chemical Inhomogeneity in BaTaO₂N and SrTaO₂N

Yoyo Hinuma, Hiroki Moriwake, Yaru Zhang, +3

Chemistry of Materials

Materials ScienceMagnetismMultiferroicsEngineeringFirst-principles Study +13

R-Site Substitution Effect on the Oxygen-Storage Capability of RBaCo₄O_7+δ

S. Kadota, M. Karppinen, Teruki Motohashi, +1

Chemistry of Materials

Local anionic ordering and anisotropic displacement in dielectric perovskite SrTaO2N

Yaru Zhang, Teruki Motohashi, Yuji Masubuchi, +1

Journal of the Ceramic Society of Japan

EngineeringSolid-state ChemistryChemistryInorganic MaterialFerroelectric Application +14

Kinetics and Thermodynamics of the Degree of Order of the <i>B</i> Cations in Double-Perovskite Sr₂FeMoO₆

Takeshi Shimada, Jin Nakamura, Teruki Motohashi, +2

Chemistry of Materials

Magnetic PropertiesChemical KineticsEngineeringHalide PerovskitesChemistry +19

Synthesis and Properties of CoO₂, the <i>x</i> = 0 End Member of the Li<i>_x</i>CoO₂ and Na<i>_x</i>CoO₂ Systems

Teruki Motohashi, Y. Katsumata, Toshio Ono, +3

Chemistry of Materials

Crystal StructureEngineeringChemistryInorganic MaterialInorganic Compound +17