ChemInform Abstract: A New Superconducti
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A. BARNABE; F. LETOUZE; D. PELLOQUIN; A. MAIGNAN; M. HERVIEU; B. RAVEAU
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Article
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2010
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John Wiley and Sons
⚖ 34 KB
compound (I) is isolated in the course of attempts to introduce NO 3 groups into derivatives of the Tl "1201" structure. According to the powder XRD data, (I) (tetragonal, P4/mmm) contains Cr(VI) similar to the 77 K superconductor (Tl 2/3 Cr 1/3 ) Sr 4 Cu 2 (CO 3 )O 7 (II), but consists of an interg