List of Figures

• Truncated Icosahedron: The Buckyball
• Example of $\mu {\cal SR}$ Data in Transverse Field
• Beit-Rabi Diagram: Isotropic Muonium Hyperfine Energy Levels
• Spin-Exchange Processes
• Model Superconducting Density of States & Coherence Peaks
• H-T Phase Diagram for T₁ in a Type-II Superconductor
•  T₁(B) at 35K and (T₁(B)T)_NOR in A₃C₆₀
• Decoupling of the Asymmetry of Mu@C₆₀ in Rb₃C₆₀
•  T₁T(T) at B=4.2T: Ionization of Mu@C₆₀ in Rb₃C₆₀
• The Spatial and Energetic Structure of Mu@C₆₀ in A₃C₆₀
• Vortex State Lineshape and Simulations in Rb₃C₆₀
•  $\sigma(T)$ in the A₃C₆₀ Superconductors
• LF $\mu {\cal SR}$ Spectra in Na₂CsC₆₀
•  (T₁T)(T) in K₃C₆₀ at B=2T
• Magnetic Field Suppression of the Coherence Peak in Rb₃C₆₀
• Height of the Coherence Peak in A₃C₆₀
• Arrhenius Behaviour of (T₁T)(T) in A₃C₆₀
• Residual Low Temperature Relaxation in Rb₃C₆₀
• ZF $\mu {\cal SR}$ Spectrum in Rb₃C₆₀ at 4K
•  T₁(T) and (T₁T)(T) in Na₂CsC₆₀ at B=1T
• The Coherence Peak in Superconducting Na₂CsC₆₀ at B=1T