Strain engineering of the magnetic multipole moments and anomalous Hall effect in pyrochlore iridate thin films
Woo Jin Kim, Taekoo Oh, Jeongkeun Song, Eun Kyo Ko, Yangyang Li, Junsik Mun, Bongju Kim, Jaeseok Son, Zhuo Yang, Yoshimitsu Kohama, Miyoung Kim, Bohm‐Jung Yang, Tae Won Noh
Abstract
-octupoles are the only source of observed AHE. Our results provide a previously unidentified pathway for generating the unconventional AHE via strain-induced magnetic structures and establish a platform for exploring undiscovered topological phenomena via strain in correlated materials.
Topics & Concepts
Condensed matter physicsSpinsMultipole expansionBerry connection and curvatureStrain engineeringMagnetizationHall effectCluster (spacecraft)FerromagnetismAntiferromagnetismStrain (injury)CurvatureMagnetic momentSpin (aerodynamics)PhysicsMaterials scienceMagnetic fieldQuantum mechanicsComputer scienceBiologyThermodynamicsMathematicsPhase transitionAnatomyGeometric phaseProgramming languageGeometryAdvanced Condensed Matter PhysicsTopological Materials and PhenomenaMultiferroics and related materials