公開日期 | 標題 | 作者 | 來源出版物 | scopus | WOS | 全文 |
2007 | Induced chemical pressure by O vacancies in (Tb1-xNax) MnO3-y | Chan, T. S.; Liu, R. S.; Lien, Y. H.; Huang, C. Y.; Hu, S. F.; Chen, J. M.; Lee, J. F.; Karppinen, M.; Yamauchi, H. | Chinese Journal of Physics | | | |
2007 | Induced chemical pressure by O vacancies in (Tb1-xNax)MnO3-y | Chan, T. S.; Liu, R. S.; Lien, Y. H.; Huang, C. Y.; Hu, S. F.; Chen, J. M.; Lee, J. F.; Karppinen, M.; Yamauchi, H.; RU-SHI LIU | Chinese Journal of Physics | | 0 | |
2004 | Iron valence in double-perovskite (Ba,Sr,Ca)(2)FeMOO6: isovalent substitution effect | Yasukawa, Y.; Linden, J.; Chan, T. S.; Liu, R. S.; Yamauchi, H.; Karppinen, M.; RU-SHI LIU | Journal of Solid State Chemistry | 43 | 41 | |
2010 | Isovalent and aliovalent substitution effects on redox chemistry of Sr2MgMoO6-delta SOFC-anode material | Vasala, S.; Lehtimaki, M.; Haw, S. C.; Chen, J. M.; Liu, R. S.; Yamauchi, H.; Karppinen, M.; RU-SHI LIU | Solid State Ionics | 53 | 50 | |
2003 | Layer-specific hole concentrations in Bi2Sr2(Y1-xCax)Cu2O8+delta as probed by XANES spectroscopy and coulometric redox analysis | Karppinen, M.; Kotiranta, M.; Nakane, T.; Yamauchi, H.; Chang, S. C.; Liu, R. S.; Chen, J. M.; RU-SHI LIU | Physical Review B | 2 | 31 | |
2003 | Oxygen content and valence of Ru in RuSr2(Gd0.75Ce0.25)(2)Cu2O10-delta (Ru-1222) magnetosuperconductor | Awana, V. P. S.; Karppinen, M.; Yamauchi, H.; Matvejeff, M.; Liu, R. S.; Jang, L. Y.; RU-SHI LIU | Journal of Low Temperature Physics | 16 | 15 | |
2003 | Oxygen non-stoichiometry in Ru-1212 and Ru-1222 magnetosuperconductors | Matvejeff, M.; Awana, V. P. S.; Jang, L. Y.; Liu, R. S.; Yamauchi, H.; Karppinen, M.; RU-SHI LIU | Physica C-Superconductivity and Its Applications | 18 | 17 | |
2005 | Oxygen nonstoichiometry and valence of copper in the Cu-1222 superconductor | Karppinen, M.; Arai, M.; Lee, J. M.; Chan, T. S.; Morita, Y.; Chen, J. M.; Liu, R. S.; Yamauchi, H.; RU-SHI LIU | Journal of Solid State Chemistry | 4 | 3 | |
2006 | Pb-for-Bi substitution for enhancing thermoelectric characteristics of (Bi, Pb)(2)Ba2O4 +/-omega (0.5)CoO2 | Sakai, K.; Karppinen, M.; Chen, J. M.; Liu, R. S.; Sugihara, S.; Yamauchi, H.; RU-SHI LIU | Applied Physics Letters | 20 | 20 | |
2006 | Pb-for-Bi substitution for enhancing thermoelectric characteristics of [(Bi, Pb)(2)Ba2O4 +/-omega](0.5)CoO2 | Sakai, K.; Karppinen, M.; Chen, J. M.; Liu, R. S.; Sugihara, S.; Yamauchi, H. | Applied. Physics. Letter | | | |
2008 | Quantitative XANES Spectroscopy Study on the Prototype Hole- and Electron-Doped High-T-c Superconductor Systems, (La,Sr)(2)CuO4 and (Nd,Ce)(2)CuO4 | Tanaka, Y.; Karppinen, M.; Kobayashi, T.; Chan, T. S.; Liu, R. S.; Chen, J. M.; Yamauchi, H.; RU-SHI LIU | Chemistry of Materials | 8 | 8 | |
2008 | Quantitative XANES Spectroscopy Study on the Prototype Hole- and Electron-doped High-Tc Superconductor Systems, (La1-xSrx)2CuO4+_ and (Nd1-xCex)2CuO4+_ | Tanaka, Y.; Karppinen, M.; Kobayashi, T.; Chan, T. S.; Liu, R. S.; Chen, J. M.; Yamauchi, H. | Chem. Mater | | | |
2008 | Systematic Cu L-2,L-3-edge and OK-edge XANES spectroscopy study on the infinite-layer superconductor system, (Sr,La)CuO2 | Tanaka, Y.; Karppinen, M.; Lee, J. M.; Liu, R. S.; Chen, J. M.; Yamauchi, H.; RU-SHI LIU | Solid State Communications | 9 | 8 | |
2003 | Valence state of iron in, the Sr2Fe(Mo,W,Ta)O-6.0 double-perovskite system: an FeK-edge and L-2,L-3-edge XANES study | Karppinen, M.; Yamauchi, H.; Yasukawa, Y.; Linden, J.; Chan, T. S.; Liu, R. S.; Chen, J. M.; RU-SHI LIU | Chemistry of Materials | 31 | 29 | |
2003 | XANES and wet-chemical analyses of the charge balance in (Hg,Pb)(Ba,Sr)(2)Ca2Cu3O8+z | Watanabe, T.; Kiryakov, N.; Poulsen, J.; Lee, J. M.; Chen, J. M.; Liu, R. S.; Yamauchi, H.; Karppinen, M.; RU-SHI LIU | Physica C-Superconductivity and Its Applications | 4 | 2 | |
2003 | XANES study on the evolution among different copper species, Cu-I, Cu-II and Cu-III, in CuBa2YCu2O6+z upon oxygen loading | Morita, Y.; Karppinen, M.; Yamauchi, H.; Liu, R. S.; Chen, J. M.; RU-SHI LIU | Journal of Low Temperature Physics | 1 | 5 | |
2002 | XANES study on the generation and distribution of holes via Ca substitution and O doping in Cu(Ba0.8Sr0.2)(2)(Yb1-xCax)Cu2O6+z | Karppinen, M.; Yamauchi, H.; Nakane, T.; Fujinami, K.; Lehmus, K.; Nachimuthu, P.; Liu, R. S.; Chen, J. M.; RU-SHI LIU | Journal of Solid State Chemistry | 16 | 13 | |