Néel wall
E326460
A Néel wall is a type of magnetic domain wall in thin ferromagnetic films where the magnetization rotates within the plane of the material, minimizing stray magnetic fields.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Néel wall canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T3093676 — 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: Néel wall Context triple: [Louis Néel, knownFor, Néel wall]
-
A.
Peierls transition
The Peierls transition is a phase transition in one-dimensional metals where a periodic lattice distortion opens an energy gap at the Fermi surface, turning the system from a metal into an insulator or semiconductor.
-
B.
Shubnikov–de Haas effect
The Shubnikov–de Haas effect is a quantum oscillatory phenomenon in the electrical resistance of conductors and semiconductors subjected to strong magnetic fields at low temperatures, used to probe their electronic structure and Fermi surface.
-
C.
Walling
Walling is a surname most notably associated with William English Walling, an American labor reformer and co-founder of the NAACP.
-
D.
de Haas–van Alphen effect
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.
-
E.
Curie point (Curie temperature)
The Curie point (Curie temperature) is the critical temperature at which a ferromagnetic or ferrimagnetic material loses its permanent magnetism and becomes paramagnetic.
- 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: Néel wall Target entity description: A Néel wall is a type of magnetic domain wall in thin ferromagnetic films where the magnetization rotates within the plane of the material, minimizing stray magnetic fields.
-
A.
Peierls transition
The Peierls transition is a phase transition in one-dimensional metals where a periodic lattice distortion opens an energy gap at the Fermi surface, turning the system from a metal into an insulator or semiconductor.
-
B.
Shubnikov–de Haas effect
The Shubnikov–de Haas effect is a quantum oscillatory phenomenon in the electrical resistance of conductors and semiconductors subjected to strong magnetic fields at low temperatures, used to probe their electronic structure and Fermi surface.
-
C.
Walling
Walling is a surname most notably associated with William English Walling, an American labor reformer and co-founder of the NAACP.
-
D.
de Haas–van Alphen effect
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.
-
E.
Curie point (Curie temperature)
The Curie point (Curie temperature) is the critical temperature at which a ferromagnetic or ferrimagnetic material loses its permanent magnetism and becomes paramagnetic.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
magnetic domain wall
ⓘ
topological defect in magnetism ⓘ |
| appearsIn | ultrathin ferromagnetic multilayers ⓘ |
| belongsTo | ferromagnetic domain structures ⓘ |
| canBe | chiral ⓘ |
| canBeImagedBy |
Lorentz transmission electron microscopy
ⓘ
magnetic force microscopy ⓘ spin-polarized scanning tunneling microscopy ⓘ |
| canBeMovedBy |
magnetic fields
ⓘ
spin-polarized electric currents ⓘ |
| chiralityCanBeSetBy | Dzyaloshinskii–Moriya interaction ⓘ |
| contrastsWith | Bloch wall ⓘ |
| hasCharacteristicWidth | domain wall width ⓘ |
| hasDomainMagnetization | parallel to the film plane ⓘ |
| hasEnergyContributionsFrom |
exchange interaction
ⓘ
magnetocrystalline anisotropy ⓘ magnetostatic energy ⓘ |
| hasMagnetizationConfiguration | head-to-tail along the wall line ⓘ |
| hasMagnetizationDirectionChange | in-plane rotation between adjacent domains ⓘ |
| hasMagnetizationRotation | within the plane of the material ⓘ |
| hasMagnetizationRotationAxis | perpendicular to the film plane ⓘ |
| hasTheoreticalDescriptionBy |
Landau–Lifshitz equations
ⓘ
surface form:
Landau–Lifshitz–Gilbert equation
|
| isAffectedBy |
film thickness
ⓘ
interfacial spin–orbit coupling ⓘ magnetic anisotropy direction ⓘ |
| isCharacterizedBy | in-plane rotation of magnetization across the wall ⓘ |
| isDescribedBy | micromagnetic theory ⓘ |
| isFavoredBy | strong demagnetizing fields normal to the film ⓘ |
| isFavoredIn | very thin ferromagnetic layers ⓘ |
| isImportantFor |
magnetic memory devices
ⓘ
racetrack memory ⓘ |
| isImportantIn | spintronics ⓘ |
| isMoreStableThan | Bloch wall in sufficiently thin films ⓘ |
| isRelevantTo |
magnetic domain engineering
ⓘ
magnetic logic devices ⓘ |
| isStabilizedBy | interfacial Dzyaloshinskii–Moriya interaction ⓘ |
| isStudiedIn |
condensed matter physics
ⓘ
magnetism ⓘ spintronics research ⓘ |
| isTypeOf | 180-degree domain wall ⓘ |
| isUsedInModelsOf |
domain wall motion
ⓘ
spin-transfer torque dynamics ⓘ spin–orbit torque dynamics ⓘ |
| minimizes | stray magnetic fields ⓘ |
| namedAfter | Louis Néel ⓘ |
| occursIn | thin ferromagnetic films ⓘ |
| reduces | surface magnetic charges at the film surfaces ⓘ |
| widthDependsOn |
exchange stiffness
ⓘ
magnetic anisotropy constant ⓘ |
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: Néel wall Description of subject: A Néel wall is a type of magnetic domain wall in thin ferromagnetic films where the magnetization rotates within the plane of the material, minimizing stray magnetic fields.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.