Dzyaloshinskii–Moriya interaction

E1017089

The Dzyaloshinskii–Moriya interaction is an antisymmetric exchange interaction in magnetic systems that favors chiral, non-collinear spin arrangements and underlies phenomena such as skyrmions and chiral domain walls.

All labels observed (4)

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf antisymmetric exchange interaction
exchange interaction
magnetic interaction
spin–orbit interaction effect
actsBetween neighboring spins
actsIn chiral magnets
interfaces of magnetic multilayers
non-centrosymmetric crystals
ultrathin ferromagnetic films
causes weak ferromagnetism in some antiferromagnets
constrains relative orientation of neighboring spins
contrastsWith Heisenberg exchange interaction
dependsOn lack of inversion symmetry
spin–orbit coupling
describedBy Moriya rules
enhancedBy strong spin–orbit coupling materials
hasAlternativeName DM interaction
Dzyaloshinskii–Moriya exchange
hasMathematicalForm D · (S_i × S_j)
hasProperty antisymmetric under spin exchange
competes with symmetric Heisenberg exchange
favors chiral spin structures
favors non-collinear spin arrangements
linear in spin–orbit coupling strength
hasVector Dzyaloshinskii–Moriya vector
importantIn heavy-metal/ferromagnet bilayers
multiferroic materials
non-centrosymmetric B20 compounds
isComponentOf micromagnetic energy functional
isTypeOf anisotropic exchange interaction
namedAfter Igor Dzyaloshinskii
Tôru Moriya NERFINISHED
originatesFrom relativistic corrections to exchange interaction
relevantFor racetrack memory devices
skyrmion-based devices
spintronics
stabilizes chiral domain walls
helical magnetic order
magnetic skyrmions
spin spirals
usedToExplain asymmetric spin-wave dispersion
canting of antiferromagnetic sublattices
vectorDependsOn bond geometry
crystal symmetry
wasFormulatedBy Tôru Moriya NERFINISHED
wasProposedBy Igor Dzyaloshinskii
yearFormulatedMicroscopically 1960
yearProposed 1958

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Néel wall chiralityCanBeSetBy Dzyaloshinskii–Moriya interaction
Tony Skyrme hasConceptNamedAfter Skyrmion
linked to: Dzyaloshinskii–Moriya interaction
Dzyaloshinskii–Moriya interaction hasAlternativeName Dzyaloshinskii–Moriya exchange
linked to: Dzyaloshinskii–Moriya interaction
Dzyaloshinskii–Moriya interaction hasVector Dzyaloshinskii–Moriya vector
linked to: Dzyaloshinskii–Moriya interaction