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TT: Fachverband Tiefe Temperaturen
TT 10: Superconductivity - Properties, Electronic Structure, Order Parameter
TT 10.2: Vortrag
Dienstag, 27. März 2007, 09:45–10:00, H18
Electron Spin Dynamics of the Novel Superconductor CaC6 probed by ESR — •Ferenc Murányi, Grzegorz Urbanik, Vladislav Kataev, and Bernd Büchner — Leibniz Institute for Solid State and Materials Research Dresden, 01171 Dresden, PO BOX 270116, Germany
The Conduction Electron Spin Resonance (CESR) was measured on a thick slab of polycrystalline CaC6 in the normal and superconducting state. The measurements characterize the metallic properties in the normal state and indicates the description of superconductivity in the dirty limit. Magnetic field dependent nonlinear absorption in the superconducting state evidenced the anisotropy of Hc2. Superconducting state measurements revealed the increase of effective skin depth below Tc.