Upper Critical Field Measurements on Stage I KHg--GIC's

Critical Field Measurements  

• Introduction
• Experimental Methods: Hc2 Data
  • Mounting the GIC's for Critical Field Measurements
  • Data Acquisition System
  • Procedure for Obtaining Data and Data Analysis
• Experimental Results: Angular Dependence of the Upper Critical Field
  • Extrinsic Influences on Hc2(theta) in Anisotropic Superconductors
  • Type I Superconductivity in C4KHg
  • Type II/1 Superconductivity and C4KHg
  • Tinkham's Formula Fits to Hc2(theta) in C4KHg
  • Microscopic Models of Superconductivity and Hc2(theta) in C4KHg
• Experimental Results: Temperature Dependence of the Upper Critical Field
• Possible Interpretations of Enhanced Linearity and Positive Curvature in GIC's
  • Dimensional Crossover Models
  • Critical Field Enhancement in Isotropic Superconductors
  • Multiband and Anisotropic Gap Models of Superconductivity
• Discussion and Conclusions