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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
Here results of a systematic study on oxygen stoichiometry are reported for the first three members of the novel CoSr2(Y,Ce)sCu2O5+2s or Co-12s2 homologous series, i.e. Co-1212, Co…
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
We reviewed our various results on rutheno-cuprate magneto-superconductors RuSr2GdCu2O8(Ru-1212) and RuSr2(Gd0.75Ce0.25)2Cu2O10(Ru-1222). It is observed, that it is difficult to co…
Oxygen Content and Valence of Ru in RuSr2(Gd0.75Ce0.25)2Cu2O10(Ru-1222) Magnetosuperconductor
V. P. S. Awana, M. Karppinen, H. Yamauchi +3
The valence of Ru was analyzed for two RuSr2(Gd0.75Ce0.25)2Cu2O10 samples with different oxygen contents by Ru LIII edge x ray absorption near-edge structure (XANES) spectroscopy.…