Structures and properties of new superconductors, β″-(ET)[(HO)Ga(CO) ]Sol [Sol = nitrobenzene and pyridine]

Akutsu, H, Akutsu-Sato, A, Turner, SS, Day, P, Tocher, DA, Probert, MR, Howard, JAK, Le Pevelen, D, Klehe, A-K, Singleton, J et al and Laukhin, VN (2003) Structures and properties of new superconductors, β″-(ET)[(HO)Ga(CO) ]Sol [Sol = nitrobenzene and pyridine] Synthetic Metals, 137 (1-3). pp. 1239-1240.

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Abstract

The title compounds containing diamagnetic Ga are superconductors. The nitrobenzene salt shows a broad metal-semiconductor transition at 160 K but becomes superconductor below 7.5 K. The Meissner volume of a powder sample at 1.8 K is estimated at 31%. The pyridine salt also has a broad upturn in resistance at 130 K, a re-entrant metallic phase below 60 K, and a resistance loss below 1.5 K. The loss vanishes with applying magnetic field, suggesting that it is also superconductor.

Item Type:	Article
Authors :	Name Email ORCID Akutsu, H Akutsu-Sato, A Turner, SS Day, P Tocher, DA Probert, MR Howard, JAK Le Pevelen, D Klehe, A-K Singleton, J Laukhin, VN
Date :	4 April 2003
DOI :	10.1016/S0379-6779(02)01011-1
Depositing User :	Symplectic Elements
Date Deposited :	28 Mar 2017 13:22
Last Modified :	31 Oct 2017 15:14
URI:	http://epubs.surrey.ac.uk/id/eprint/802890

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