Superconducting Behaviour of Nb3Ge thin Films under Hydrostatic Pressure
Type II superconductors are characterized by high upper critical induction values and high current carrying capacities, which are caused by pinning of the flux-lines at structural inhomogenei-ties of the samples. Fietz and Webb1 and recently Kramer 2 have shown that the dependence of the pinning force densities on temperature and magnetic induction is governed by “scaling laws”. This means that the pinning force densities due to a particular pinning mechanism follow a specific function of the reduced magnetic induction the form of which is not changed with temperature. The magnetic induction is reduced with respect to the measured upper critical induction which will depend on temperature and the orientation of the sample surface relative to the magnetic field.
KeywordsMagnetic Induction Critical Current Field Orientation Liquid Hydrogen Magnetic Field Orientation
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