Zero-pressure organic superconductor: Di- (Tetramethyltetraselenafulvalenium)-perchlorate [(TMTSF)2ClO4]

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Evidence for superconductivity in the organic conductor di-(tetramethyltetraselenafulvalenium)-perchlorate [(TMTSF)2ClO4] has been found by resistance measurements in the absence of applied pressure. For different crystals the transitions are approximately 0.3 K wide and are centered around temperatures between 1.2 and 1.4 K. At 0.9 K, a perpendicular magnetic field of 25 mT nearly restores normal resistance. Below 0.1 K, this critical field exceeds 50 mT.
Original languageEnglish
JournalPhysical Review Letters
Issue number13
Pages (from-to)852-855
Number of pages4
Publication statusPublished - 30 Mar 1981

ID: 94537380