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[文献書誌] M.Karppinen, K.Kotiranta, T.Nakane, S.C.Chang, J.M.Chen, R.S.Liu, H.Yamauchi: "Layer-specific hole concentrations in Bi_2Sr_2(Y_<1-x>Ca_x)Cu_2O_<8+δ> as probed by XANES spectroscopy and coulometric redox analysis"Physical Review B. 67. 134522-134527 (2003)
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[文献書誌] M.Karppinen, V.P.S.Awana, Y.Morita, H.Yamauchi: "Oxygen stoichiometry in Co-1212, Co-1222 and Co-1232 of the homologous series Co-12s2 of "category-B" layered copper oxides"Physica C. 392-396. 82-86 (2003)
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[文献書誌] M.Karppinen, H.Yamauchi, Y.Yasukawa, J.Linden, T.S.Chan, R.S.Liu, J.M.Chen: "Valence state of iron in the Sr_2Fe(Mo, W, Ta)O_<6.0> double-perovskite system : an Fe K-edge and L_<2,3>-edge XANES study"Chemistry of Materials. 15. 4118-4121 (2003)
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[文献書誌] J.Linden, M.Karppinen, T.Shimada, Y.Yasukawa, H.Yamauchi: "Observation of antiphase boundaries in Sr_2FeMoO_6"Physical Review B. 68. 174415-174419 (2003)
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[文献書誌] T.Shimada, J.Nakamura, T.Motohashi, H.Yamauchi, M.Karppinen: "Kinetics and thermodynamics of the degree of order of the B cations in double-perovskite Sr_2FeMoO_6"Chemistry of Materials. 15. 4494-4497 (2003)
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[文献書誌] J.Linden, T.Shimada, T.Motohashi, H.Yamauchi, M.Karppinen: "Iron and molybdenum valences in double-perovskite (Sr, Nd)_2FeMoO_6 : electron-doping effect"Solid State Communications. 129. 129-133 (2003)
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[文献書誌] M.Karppinen, H.Okamoto, H.Fjellvag, T.Motohashi, H.Yamauchi: "Oxygen and cation ordered perovskite, Ba_2Y_2Mn_4O_<11>"Journal of Solid State Chemistry. (in press). (2004)
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[文献書誌] J.Linden, H.Yamauchi, M.Karppinen: "^<57>Fe Mossbauer spectroscopy investigation of the Fe^<II/III> mixed-valence state and the B-site order in double perovskite A_2FeMoO_6"Journal of Magnetism and Magnetic Materials. (in press). (2004)
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[文献書誌] M.Karppinen, I.Asako, T.Motohashi, H.Yamauchi: "Oxidation state of cobalt in the Na_xCoO_<2-δ>・y H_2O superconductor"Chemistry of Materials. (in press). (2004)