I. Introduction (slides)

II. Short (!) review of magnetism in free atoms (slides)

  • Hamiltonian of atoms in an external magnetic field
  • Perturbation theory: how to treat the effects of B-field
  • Larmor diamagnetism
  • Paramagnetism of free atoms, Curie law
  • Van Vleck paramagnetism
  • Spin-orbit coupling
  • Hund's rules
  • Hyperfine interaction

III. Atoms in solid: the effect of the crystalline environment (slides)

IV. Cooperative phenomena: on magnetic order(s) (slides)

V. Micro- and Nanomagnets (slides)

  • Magnetic domain: stray field, anisotropy
  • Domain walls: width; neel vs. Bloch
  • Visualisation of magnetis domains: magnetic force microscopy
  • Magnetisation curve of a ferromagnet: hysteresis
  • Single domain magnets
  • Superparamagnetism
  • MEG; SQUID-based dignostics
  • Magnetic hyperthermia
  • "Nanomedicine"
  • Link: Commercial nanomagnet-based anti-cancer therapy
  • Link: Magnetic hyperthermia @ KIP

VI Magnetism in metals (slides)


WS 2023/2024

  • Molecular magnetism
  • Metals in external magnetic fields
  • Magnetoresistive effects and spinelectronic devices
  • Electronic correlation, Hubbard model, Mott insulators
  • Exchange Interactions
  • Kondo physics