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Article
Analysis of the dc-resistivity of YBa2Cu3Ox: Deduction of the intragrain resistivity
The resistivity ρ(100 K) scatters very much for YBa2Cu3Ox prepared as single crystals, epitaxial films or bulk samples which consist of grains of 1 to 10 μm diameter. An analysis of ρ(T) for granular bulk samples...
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Article
ARXPS-studies ofĉ-axis textured — superconducting YBa2Cu3O x -films
YBa2Cu3O x sputter deposited cold on Al2O3 and on MgO grows in O2 annealing epitaxially to a transparent, superconducting film withT c=80 K. The unscraped surfaces of these film...
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Article
On electric surface impedance
The concept of surface impedanceZ E of an electric ac-fieldE ⊥ perpendicular to metal surfaces is developed and then applied to clean and oxide coated metals. Whereas clean met...