2000/09/08 by R. Prozorov, R. W. Giannetta, John A. Schlueter +7 · 2 citations
Chemistry · Materials Science · Physics and Astronomy · #Inorganic Fluorides and Related Compounds #Magnetism in coordination complexes #Organic and Molecular Conductors Research #cond-mat.str-el #cond-mat.supr-con
paper · pdf · doi:10.1103/physrevb.63.052506
RevTeX, 4 pages
arxiv created 2000/09/08 · openalex publication_date 2001/01/12 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28
The temperature dependence of the in-plane, \ensuremathλ_\ensuremath\Vert(T), and interplane, \ensuremathλ_\ensuremath⊥(T), London penetration depth was measured in the metal-free all-organic superconductor \ensuremathβ^\ensuremath''\ensuremath-(ET)2SF5CH2CF2SO3 (Tc\ensuremath≈5.2 K). \ensuremathΔ\ensuremathλ_\ensuremath\Vert(T)\ensuremath∝T3 up to 0.5 Tc, a power law previously observed only in materials thought to be p\ensuremath-wave superconductors. \ensuremathλ_\ensuremath⊥ is larger than the sample dimensions down to the lowest temperatures (0.35 K), implying an anisotropy of \ensuremathλ_\ensuremath⊥/\ensuremathλ_\ensuremath\Vert\ensuremath≈400\ensuremath-800.