ARPES
E48479
ARPES (Angle-Resolved Photoemission Spectroscopy) is an experimental technique used in condensed matter physics to map the electronic band structure and momentum-resolved properties of materials.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Angle-Resolved Photoemission Spectroscopy | 1 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
experimental technique
ⓘ
photoemission spectroscopy ⓘ spectroscopy method ⓘ |
| analyzes | occupied electronic states ⓘ |
| appliedTo |
2D materials
ⓘ
high-temperature superconductors ⓘ insulators ⓘ metals ⓘ semiconductors ⓘ topological insulators ⓘ |
| basedOn | photoelectric effect ⓘ |
| cannotDirectlyProbe | unoccupied electronic states ⓘ |
| dataRepresentedAs | intensity maps in energy-momentum space ⓘ |
| derives |
binding energy of electrons
ⓘ
crystal momentum of electrons ⓘ |
| developedIn | 20th century ⓘ |
| fullName |
ARPES
self-linksurface differs
ⓘ
surface form:
Angle-Resolved Photoemission Spectroscopy
|
| limitedBy |
energy resolution
ⓘ
momentum resolution ⓘ surface sensitivity ⓘ |
| measures |
emission angle of electrons
ⓘ
kinetic energy of emitted electrons ⓘ |
| oftenUses |
laser light sources
ⓘ
synchrotron radiation ⓘ |
| provides |
information on band gaps
ⓘ
information on effective mass ⓘ information on many-body interactions ⓘ momentum-resolved spectral function ⓘ |
| requires |
X-ray photons
ⓘ
electron energy analyzer ⓘ ultra-high vacuum ⓘ ultraviolet photons ⓘ well-prepared sample surface ⓘ |
| studies |
Fermi surface
ⓘ
electronic band structure ⓘ energy-momentum relation of electrons ⓘ momentum-resolved electronic structure ⓘ quasiparticle dispersion ⓘ |
| usedIn |
condensed matter physics
ⓘ
materials science ⓘ |
| usedToInvestigate |
charge density waves
ⓘ
electron-electron interactions ⓘ electron-phonon coupling ⓘ superconducting gaps ⓘ topological surface states ⓘ |
| variant |
nano-ARPES
ⓘ
soft X-ray ARPES ⓘ spin-resolved ARPES ⓘ time-resolved ARPES ⓘ |