Welcome to the Fundamentals of Magnetism module!
Problem sheets and tutorials
Moodle link for submitting your solutions
Schedule of the Tuesday classes:
- 22.10.2024: Units of magnetism
- 29.10.2024: Reminder on the statistical physics
- 5.11.2024: Solutions to problem sheet 1
- 12.11.2024: Crystal-field theory (slides)
- 19.11.2024: Solutions to problem sheet 2
- 26.11.2024: Mean-field theory for antiferromagnets, spin-flop transition
- 3.12.2024: Solutions to problem sheet 3
- 10.12.2024: no class (free week)
- 17.12.2024: Structure factors (slides)
- 7.01.2025: Solutions to problem sheet 4
- 14.01.2025: no class (free week)
- 21.01.2025: Solutions to problem sheet 5
- 28.01.2025: no class (free week)
- 4.02.2025: Solutions to problem sheet 6
Lecture 11 (27.01.2025): Exotic spin states
Complexity on both classical and quantum levels
spin glass and spin liquid, quantum fluctuations
muon spin relaxation (μSR)
skyrmions
Lecture 10 (20.01.2025): Quantum magnetism
When spins become truly quantum and which implications their quantumness has
classical and quantum spin states
magnetic molecules
quantum tunneling of magnetization
Lecture 9 (13.01.2025): Ferromagnets: domains and anisotropy
Practical magnetic materials and how they work
coercive field, Bloch and Néel domain walls
magnetic memory
ferromagnetic resonance spectroscopy
Lecture 8 (6.01.2025): Magnetic excitations
How spins violate magnetic order
spin waves, acoustic and optical magnons
inelastic neutron scattering
magnonics
Lecture 7 (16.12.2024): Magnetic crystallography
Symmetry rules in the spin space
propagation vector, magnetic symmetry
neutron diffraction
Clifford Shull
Lecture 6 (25.11.2024): A closer look at magnetic order: mean-field theory
The hassle-free method of analyzing magnetically ordered states
Curie-Weiss temperature, saturation field
generation of magnetic fields
helical magnets
Lecture 5 (18.11.2024): Bird's eye view of magnetic order
Diversity of magnetic structures and their origins
exchange couplings, magnetic models
synthetic magnets
Werner Heisenberg
Lecture 4 (11.11.2024): Magnetism of metals
Itinerant electrons straddle the border between diamagnetism and paramagnetism
Pauli paramagnetism, Landau diamagnetism, Stoner instability
de Haas - van Alphen effect
Wolfgang Pauli
Lecture 3 (4.11.2024): Atomic magnetism
How electrons give rise to magnetic moments
Hund's rules, van Vleck paramagnetism
x-ray spectroscopy, absorption and circular dichroism (XAS, XMCD)
Friedrich Hund and John Van Vleck
Lecture 2 (28.10.2024): Diamagnets and paramagnets
Two simplest types of magnets, and wherein they can be useful
Curie law, Langevin and Brillouin functions
adiabatic demagnetization refrigeration
Pierre Curie and Paul Langevin
Lecture 1 (21.10.2024): All about magnetization
Definition of the magnetic moment and hassle with the units
magnetic moment, magnetization, and susceptibility
magnetization measurements
magnetite
N.B. Lecture slides contain images from publications that may be licensed differently from the rest of this webpage.
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