Pluto notebooks

STM data processing

• Process raw I(V)
• Process I(V) vs. T
• Process I(V) vs. parameter
• Post-process individual dI/dV vs. paramater
• Post-process dI/dV series en bloc
• Test of methods to denoise & differentiate raw spectra
• Topography & z-profile (in progress)
• Spectral maps (in progress)

Superconducting Density Of States models

• All in one - comparison of individual models
• Fit various DOS models to processed dI/dV(V) vs. T spectra (in progress)
• S - I - S tunneling (in progress)
• Anisotropic gap with rotational symmetry
• Linear combination of two gaps
• McMillan proximity model
• Equations for McMillan model from different sources
• Temperature calibration using Dynes DOS fit
• Convolution of multiple shifted DOS
• BTK quasiparticle dispersion

Superconducting parameters

• Condensation energy & Pauli limit
• g-factor & Pauli limit
• Werthamer, Helfand, Hohenberg: B_c2 vs. T
• Temperature dependence of superconducting gap
• Superconducting volume fraction from magnetic susceptibility
• Temperature dependence of penetration depth

Fourier transform

• FFT of the De Haas – Van Alphen effect in heat capacity
• Calculate 2D unit cell from reciprocal vectors
• Sinusoidal gratings
• Array of 2D Gaussian peaks

Crystal structure

• 4H-NbSe₂
• 1Q1H misfit

Varia

• Electronic band structure of NbSe₂
• Stoichiometry estimate of Pd doped misfits from EDS
• Igor’s equations for Ising protection in TMDs
• Critical magnetic fields from heat capacity of 4H-NbSe₂
• Cyclic voltametry fit
• Fermi-Dirac distribution derivative with respect to temperature

Code

• Basic use of PlutoPlotly
• Simple example of a symbolic function
• Test of reactive triggers