Superconductivity at 38 K in Iron-Based Compound with Platinum-Arsenide Layers Ca^sub 10^(Pt^sub 4^As^sub 8^)(Fe^sub 2-x^Pt^sub x^As^sub 2^)^sub 5

Superconductivity at 38 K in Iron-Based Compound with Platinum-Arsenide Layers Ca^sub 10^(Pt^sub 4^As^sub 8^)(Fe^sub 2-x^Pt^sub x^As^sub 2^)^sub 5

We report superconductivity in novel iron-based compounds Ca ... (Pt ... As ... )(Fe ... Pt ... As ... ) ... with n = 3 and 4. Both compounds crystallize in triclinic structures (space group P ...bar1), in which Fe ... As ... layers alternate with Pt ... As ... spacer layers. Superconductivity with...

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Veröffentlicht in:Journal of the Physical Society of Japan 2011-09, Vol.80 (9), p.1
Hauptverfasser: Kakiya, Satomi, Kudo, Kazutaka, Nishikubo, Yoshihiro, Oku, Kenta, Nishibori, Eiji, Sawa, Hiroshi, Yamamoto, Takahisa, Nozaka, Toshio, Nohara, Minoru
Format: Artikel
Sprache:eng
Schlagworte:
Crystallization
Iron compounds
Superconductivity
Temperature
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Zusammenfassung:We report superconductivity in novel iron-based compounds Ca ... (Pt ... As ... )(Fe ... Pt ... As ... ) ... with n = 3 and 4. Both compounds crystallize in triclinic structures (space group P ...bar1), in which Fe ... As ... layers alternate with Pt ... As ... spacer layers. Superconductivity with a transition temperature of 38 K is observed in the n = 4 compound with a Pt content of x ...0.36 in the Fe ... As ... layers. The compound with n = 3 exhibits superconductivity at 13 K. (ProQuest: ... denotes formulae/symbols omitted.)
ISSN:0031-9015
1347-4073