Publications (25)
Electronic phase diagram of the layered cobalt oxide system, LixCoO2 (0.0 <= x <= 1.0)
T. Motohashi, T. Ono, Y. Sugimoto +5
Micro-structure and Magnetization of the 80-K Superconductor, TbSr2Cu2.7Mo0.3O7+d
V. P. S. Awana, Anurag Gupta, H. Kishan +5
Room-temperature ferromagnetism in Sr_(1-x)Y_xCoO_(3-delta) (0.2 < x < 0.25)
W. Kobayashi, S. Ishiwata, I. Terasaki +4
Cation intermixing and ordering phenomenon in MO layer of MSr2YCu2Oz (M1212) compounds with M = Fe, Co, Al, and Ga: A neutron powder diffraction study
V. P. S. Awana, E. Takayama-Muromachi, S. K. Malik +3
Kinetics and thermodynamics of the degree of order of the B cations in double-perovskite Sr2FeMoO6
T. Shimada, J. Nakamura, T. Motohashi +2
Unconventional magnetic transition and transport behavior in Na0.75CoO2
T. Motohashi, R. Ueda, E. Naujalis +5
Magneto-superconductivity of 100-atm O2-annealed RuSr2Gd1.5Ce0.5Cu2O10
V. P. S. Awana, E. Takayama-Muromachi, M. Karppinen +1
Superconductivity in CoSr2(Y1-xCax)Cu2O7+d
Y. Morita, H. Yamauchi, M. Karppinen
Oxygen non-stoichiometry in Ru-1212 and Ru-1222 magnetosuperconductors
M. Matvejeff, V. P. S. Awana, L. -Y. Jang +3
Oxygen Stoichiometry in Co-1212, Co-1222 and Co-1232 of Homologous Series Co-12s2 of Category-B Layered Copper Oxides
Y. Morita, V. P. S. Awana, H. Yamauchi +1
Oxygen Content and Valence of Ru in RuSr2(Gd0.75Ce0.25)2Cu2O10(Ru-1222) Magnetosuperconductor
V. P. S. Awana, M. Karppinen, H. Yamauchi +3
Layered-specific hole concentrations in Bi2Sr2(Y1-xCax)Cu2O8+d as probed by XANES spectroscopy and coulometric redox analysis
M. Karppinen, M. Kotiranta, T. Nakane +4
Iron and molybdenum valences in double-perovskite (Sr,Nd)2FeMoO6: electron-doping effect
J. Linden, T. Shimada, T. Motohashi +2
Iron valence in double-perovskite (Ba,Sr,Ca)2FeMoO6: Isovalent substitution effect
Y. Yasukawa, M. Karppinen, J. Linden +3
Glass component induced hysteresis/memory effect in magnetoresistance of ferromagnetic Pr0.9Sr0.1CoO2.99
V. P. S. Awana, J. Nakamura, M. Karppinen +2
Spin Glass Behavior in RuSr2Gd1.5Ce0.5Cu2O10
C. A. Cardoso, F. M. Araujo-Moreira, V. P. S. Awana +4
Enhanced thermoelectric properties of NaxCoO2 whisker crystals
G. Peleckis, T. Motohashi, M. Karppinen +1
Sodium and oxygen nonstoichiometry and thermoelectric properties of NaxCoO2+d
T. Motohashi, M. Karppinen, H. Yamauchi
Magnetosuperconductivity in ruthenocuprates RuSr2GdCu2O8(Ru 1212) and RuSr2(Gd0.75Ce0.25)2Cu2O10 (Ru 1222) a critical review
V. P. S. Awana, M. Karppinen, H. Yamauchi
Overdoped Cuprates With High Temperature Superconducting Transitions
M. Marezio, O. Chmaissem, C. Bougerol +3
The valence state of iron in the Sr2Fe(Mo,W,Ta)O6.0 double-perovskite system: An Fe K-edge and L2,3-edge XANES study
M. Karppinen, H. Yamauchi, Y. Yasukawa +4
Electrochemical synthesis and properties of CoO2, the x = 0 phase of the AxCoO2 systems (A = Li, Na)
T. Motohashi, T. Ono, Y. Katsumata +3
Experimental results and analysis from the 11 T Nb3Sn DS dipole
G. Chlachidze, I. Novitski, A. V. Zlobin +2
Synthesis and properties of CoO2, the x = 0 end member of the LixCoO2 and NaxCoO2 systems
T. Motohashi, Y. Katsumata, T. Ono +3
The Parent of Misfit-Layered Cobalt Oxides: [Sr2O2]qCoO2
H. Yamauchi, K. Sakai, T. Nagai +2