Debye length
E518984
The Debye length is a characteristic scale in plasmas and electrolytes over which electric potentials are screened due to the collective response of mobile charges.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Debye length canonical | 2 |
| Debye parameter kappa | 1 |
| Debye screening | 1 |
| Debye screening length | 1 |
| Gouy–Chapman layer | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5420106 — 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: Debye length Context triple: [Peter Debye, knownFor, Debye length]
-
A.
Compton wavelength
The Compton wavelength is a fundamental quantum-mechanical length scale associated with a particle, characterizing the wavelength of a photon whose scattering off that particle produces significant relativistic and quantum effects.
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B.
Bohr radius
The Bohr radius is a fundamental physical constant that represents the most probable distance between the nucleus and the electron in a hydrogen atom in its ground state.
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C.
Lorentz–Lorenz equation
The Lorentz–Lorenz equation is a fundamental relation in optics and electromagnetism that connects a material’s refractive index to its molecular polarizability and density.
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D.
Nernst–Planck equation
The Nernst–Planck equation is a fundamental relation in electrochemistry that describes the flux of charged species under the combined influence of diffusion, electric fields, and, in extended forms, convection.
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E.
Langmuir Probe
The Langmuir Probe is a scientific instrument used in space missions to measure the density, temperature, and other properties of plasma or charged particles in the surrounding environment.
- 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: Debye length Target entity description: The Debye length is a characteristic scale in plasmas and electrolytes over which electric potentials are screened due to the collective response of mobile charges.
-
A.
Compton wavelength
The Compton wavelength is a fundamental quantum-mechanical length scale associated with a particle, characterizing the wavelength of a photon whose scattering off that particle produces significant relativistic and quantum effects.
-
B.
Bohr radius
The Bohr radius is a fundamental physical constant that represents the most probable distance between the nucleus and the electron in a hydrogen atom in its ground state.
-
C.
Lorentz–Lorenz equation
The Lorentz–Lorenz equation is a fundamental relation in optics and electromagnetism that connects a material’s refractive index to its molecular polarizability and density.
-
D.
Nernst–Planck equation
The Nernst–Planck equation is a fundamental relation in electrochemistry that describes the flux of charged species under the combined influence of diffusion, electric fields, and, in extended forms, convection.
-
E.
Langmuir Probe
The Langmuir Probe is a scientific instrument used in space missions to measure the density, temperature, and other properties of plasma or charged particles in the surrounding environment.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
characteristic length scale
ⓘ
physical quantity ⓘ screening length ⓘ |
| appliesTo |
colloidal suspensions
ⓘ
electrolyte solutions ⓘ ionic solutions ⓘ plasmas ⓘ semiconductors ⓘ |
| assumes |
linear response in Debye–Hückel approximation
ⓘ
thermal equilibrium of charge carriers ⓘ |
| category |
Electrochemistry
ⓘ
Electrostatics ⓘ Plasma physics ⓘ |
| characterizes | distance over which electric potential decays by factor e ⓘ |
| dependsOn |
charge carrier density
ⓘ
ionic charge ⓘ ionic strength ⓘ permittivity of the medium ⓘ temperature ⓘ |
| describes |
electrostatic screening
ⓘ
range of Coulomb interactions in a plasma ⓘ screening of electric potentials ⓘ |
| field |
astrophysics
ⓘ
condensed matter physics ⓘ electrochemistry ⓘ plasma physics ⓘ statistical mechanics ⓘ |
| hasDimension | length ⓘ |
| isLongWhen |
plasma density is low
ⓘ
temperature is high ⓘ |
| isShortWhen | ionic strength is high ⓘ |
| namedAfter | Peter Debye ⓘ |
| relatedConcept |
Debye screening
ⓘ
linked to:
Debye length
Debye–Hückel theory ⓘ Gouy–Chapman layer ⓘ
linked to:
Debye length
Poisson–Boltzmann equation ⓘ
linked to:
Poisson equation
Yukawa potential ⓘ electrical double layer ⓘ plasma parameter ⓘ screening length ⓘ |
| symbol |
lambda_D
ⓘ
λ_D ⓘ |
| typicalMagnitude |
micrometre scale in laboratory plasmas
ⓘ
nanometre scale in electrolytes ⓘ |
| unit | metre ⓘ |
| usedIn |
analysis of plasma quasi-neutrality
ⓘ
colloid stability analysis ⓘ design of Langmuir probe diagnostics ⓘ modeling of electrolyte screening ⓘ semiconductor depletion region modeling ⓘ |
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: Debye length Description of subject: The Debye length is a characteristic scale in plasmas and electrolytes over which electric potentials are screened due to the collective response of mobile charges.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Debye length
linked to: Debye length
linked to: Debye length
linked to: Debye length