Upper critical field of the molecular organic superconductor (DMET)2I3

Pashupati Dhakal; Harukazu Yoshino; Jeong Il Oh; Koichi Kikuchi; Michael J. Naughton

doi:10.1103/PhysRevB.83.014505

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Upper critical field of the molecular organic superconductor (DMET)2I3

Pashupati Dhakal, Harukazu Yoshino, Jeong Il Oh, Koichi Kikuchi, Michael J. Naughton

DOI 10.1103/PhysRevB.83.014505 · Physical Review B

T1

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Abstract

We report the temperature dependence of the upper critical magnetic field in the quasi-one-dimensional molecular organic superconductor (DMET)2I3, for magnetic field applied along the intrachain, interchain, and interplane directions. The upper critical field tends to saturation at low temperature for field in all directions and does not exceed the Pauli paramagnetic limit. Superconductivity in (DMET)2I3 thus appears to be conventional spin singlet, in contrast to the status of the isostructural Bechgaard salts. We also discuss a magnetic field-induced dimensional crossover effect in the normal metallic state which had previously appeared to be associated with superconductivity.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
(DMET)2I3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	0.58	Pressure unresolved	unknown
(TMTSF)2PF6 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
(TMTSF)2ClO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure unresolved	unknown