Published September 2023
| Version v1
Journal article
Chirality in nanomagnetism and spin electronics
Creators
- 1. Laboratoire de Physique des Solides, UMR8502 CNRS et Universite Paris-Saclay, 1 rue Nicolas Appert, Batiment 510, 91405 Orsay Cedex (France)
Description
Chirality is not spontaneously associated with magnetism. However, the study of thick magnetic layers of a few atoms has revealed chirality in the arrangement of magnetic moments. Here, we describe how this chirality originates from interfaces and derives from a relativistic effect, the spin-orbit coupling between electron spin and electron motion. This chiral coupling has been demonstrated not only in the displacement of magnetic walls, but also in electron transport. Both effects are currently being exploited in new spin-electronics devices
Abstract (French)
La chiralite n'est pas spontanement associee au magnetisme. Toutefois, l'etude des couches magnetiques epaisses de quelques atomes a mis en evidence une chiralite dans l'arrangement des moments magnetiques. On decrit ici comment cette chiralite provient des interfaces et derive d'un effet relativiste, le couplage spin-orbite entre le spin des electrons et leur mouvement. Ce couplage chiral est mis en evidence dans le deplacement des parois magnetiques, mais aussi dans le transport des electrons. Ces deux effets sont mis a profit actuellement pour de nouveaux dispositifs d'electronique de spin. (auteur)Additional details
Additional titles
- Original title (French)
- La chiralite en nanomagnetisme et electronique de spin
Identifiers
Publishing Information
- Journal Title
- Reflets de la Physique
- Journal Issue
- no.76
- Journal Page Range
- p. 11-17
- ISSN
- 1953-793X
INIS
- Country of Publication
- France
- Country of Input or Organization
- France
- INIS RN
- 55105111
- Subject category
- S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS;
- Descriptors DEI
- ANISOTROPY; BLOCH WALL; CHIRALITY; COBALT; DIRAC EQUATION; HALL EFFECT; LIQUID CRYSTALS; L-S COUPLING; NANOSTRUCTURES; NUCLEATION; SKYRME POTENTIAL; SOLITONS; SPECIAL RELATIVITY THEORY; SPIN; STATIC MAGNETIC FIELDS; SYMMETRY BREAKING
- Descriptors DEC
- ANGULAR MOMENTUM; COUPLING; CRYSTALS; DIFFERENTIAL EQUATIONS; DOMAIN STRUCTURE; ELEMENTS; EQUATIONS; FIELD EQUATIONS; FLUIDS; INTERMEDIATE COUPLING; LIQUIDS; MAGNETIC FIELDS; METALS; NUCLEON-NUCLEON POTENTIAL; PARTIAL DIFFERENTIAL EQUATIONS; PARTICLE PROPERTIES; POTENTIALS; QUASI PARTICLES; RELATIVITY THEORY; TRANSITION ELEMENTS; WAVE EQUATIONS
Optional Information
- Notes
- 11 refs.