Interlayer Conductivity in the Superconductor Tl-Ba-Cu-O: Energetics and Energy Scales

A.S. Katz; D.G. Hinks; D.N. Basov; E.J. Singley; M. Xu; R.C. Dynes; S.I. Woods; T.W. Li

arxiv: cond-mat/9905170 · v1 · submitted 1999-05-12 · ❄️ cond-mat.supr-con · cond-mat.str-el

Interlayer Conductivity in the Superconductor Tl-Ba-Cu-O: Energetics and Energy Scales

A.S. Katz , S.I. Woods , E.J. Singley , T.W. Li , M. Xu , D.G. Hinks , R.C. Dynes , D.N. Basov This is my paper

classification ❄️ cond-mat.supr-con cond-mat.str-el

keywords energychangeconductivitycrystalskinetictl-ba-cu-oanalysisc-axis

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We report on infrared studies of the c-axis electrodynamics of Tl-Ba-Cu-O (Tl-2201) crystals. A sum rule analysis reveals spectral weight shifts that can be interpreted as a kinetic energy change at the superconducting transistion. In optimally doped crystals, showing an incoherent normal state response, the kinetic energy is lowered at T < Tc, but no significant change is found in the over-doped samples, which have more coherent conductivity at T > Tc.

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Interlayer Conductivity in the Superconductor Tl-Ba-Cu-O: Energetics and Energy Scales

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