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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| ARPES canonical | 1 |
| Angle-Resolved Photoemission Spectroscopy | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T380063 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: ARPES Context triple: [Fermi surface, probedBy, ARPES]
-
A.
Fermi surface
The Fermi surface is the boundary in momentum space separating occupied from unoccupied electron states at zero temperature, crucial for determining a metal’s electronic and superconducting properties.
-
B.
AFM
AFM is the Dutch Authority for the Financial Markets, the national regulator overseeing fair and transparent operation of financial markets in the Netherlands.
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C.
Photon Spectrometer
The Photon Spectrometer is a specialized detector subsystem of the ALICE experiment at CERN designed to precisely measure and analyze high-energy photons produced in heavy-ion collisions.
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D.
Eliashberg theory
Eliashberg theory is an extension of BCS superconductivity that incorporates strong-coupling and frequency-dependent effects to more accurately describe real superconducting materials.
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E.
Common Muon and Proton Apparatus for Structure and Spectroscopy
The Common Muon and Proton Apparatus for Structure and Spectroscopy (COMPASS) is a fixed-target experiment at CERN designed to investigate the internal structure and dynamics of hadrons using high-intensity muon and hadron beams.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: ARPES Target entity description: 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.
-
A.
Fermi surface
The Fermi surface is the boundary in momentum space separating occupied from unoccupied electron states at zero temperature, crucial for determining a metal’s electronic and superconducting properties.
-
B.
AFM
AFM is the Dutch Authority for the Financial Markets, the national regulator overseeing fair and transparent operation of financial markets in the Netherlands.
-
C.
Photon Spectrometer
The Photon Spectrometer is a specialized detector subsystem of the ALICE experiment at CERN designed to precisely measure and analyze high-energy photons produced in heavy-ion collisions.
-
D.
Eliashberg theory
Eliashberg theory is an extension of BCS superconductivity that incorporates strong-coupling and frequency-dependent effects to more accurately describe real superconducting materials.
-
E.
Common Muon and Proton Apparatus for Structure and Spectroscopy
The Common Muon and Proton Apparatus for Structure and Spectroscopy (COMPASS) is a fixed-target experiment at CERN designed to investigate the internal structure and dynamics of hadrons using high-intensity muon and hadron beams.
- F. None of above. chosen
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 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: ARPES Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.