de Haas–van Alphen effect
E48478
The de Haas–van Alphen effect is a quantum oscillatory phenomenon in metals where the magnetization varies periodically with applied magnetic field, allowing precise mapping of the electronic structure and Fermi surface.
Aliases (1)
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
magneto-oscillatory effect
→
quantum oscillatory phenomenon → solid-state physics phenomenon → |
| allows |
determination of scattering rates
→
mapping of Fermi surface topology → measurement of effective electron masses → precise determination of Fermi surface cross-sectional areas → |
| characterizedBy |
periodic variation of magnetization with inverse magnetic field
→
quantum oscillations in thermodynamic quantities → |
| dependsOn |
Fermi surface geometry
→
applied magnetic field → quantization of electron orbits in momentum space → temperature → |
| describes |
oscillations of magnetization in a metal as a function of magnetic field
→
|
| discoveredIn |
1930s
→
|
| field |
condensed matter physics
→
low-temperature physics → solid-state physics → |
| hasCause |
Landau quantization of electron orbits in a magnetic field
→
discrete Landau levels crossing the Fermi energy → |
| hasProperty |
amplitude damped by impurity scattering
→
amplitude damped by temperature → oscillation frequency proportional to extremal Fermi surface cross-sectional area → |
| isDifferentFrom |
Pauli paramagnetism
→
classical diamagnetism → |
| isExampleOf |
quantum magnetization oscillations
→
|
| measurementTechnique |
magnetization measurements in high magnetic fields
→
torque magnetometry → |
| namedAfter |
Pieter M. van Alphen
→
Wander Johannes de Haas → |
| occursIn |
degenerate electron systems
→
metals → semimetals → |
| relatedTo |
Landau levels
→
Lifshitz–Kosevich formula → Shubnikov–de Haas effect → quantum oscillations → |
| requiresCondition |
low temperatures
→
strong magnetic fields → |
| studiedUsing |
cryogenic techniques
→
high-field magnets → |
| usedFor |
Fermi surface studies in metals
→
characterization of strongly correlated electron systems → study of heavy-fermion compounds → study of unconventional superconductors → testing band-structure calculations → |
| usesFormula |
Lifshitz–Kosevich formula
→
|
Referenced by (2)
| Subject (surface form when different) | Predicate |
|---|---|
|
Fermi surface
→
Fermi surface ("Shubnikov–de Haas effect") → |
probedBy |