Symmetry-engineered and electrically tunable in-plane anomalous Hall effect in oxide heterostructures

Symmetry-engineered and electrically tunable in-plane anomalous Hall effect in oxide heterostructures | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Article Symmetry-engineered and electrically tunable in-plane anomalous Hall effect in oxide heterostructures Lingfei Wang, Kunjie Dai, Zhen Wang, Wenfeng Wu, Feng Jin, Enda Hua, and 15 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-9297012/v1 This work is licensed under a CC BY 4.0 License Status: Under Review Version 1 posted You are reading this latest preprint version Abstract Anomalous Hall effect (AHE) has long served as a cornerstone for uncovering low-dissipation quantum phenomena and powering Hall-based functionalities, yet its tunability and device application are both constrained by the orthogonal relationship among electric field, Hall current, and out-of-plane magnetization in thin film geometry. The recently emerged in-plane anomalous Hall effect (IP-AHE), a transverse Hall response driven by in-plane magnetization, promises to unlock Hall readout of planar magnetic orders and spin textures. However, in sharp contrast to conventional AHE, experimentally accessible and effective control strategies for IP-AHE remain largely undeveloped, impeding its transition from phenomenological observation to device implementation. Here we establish a symmetry-engineered, electrically tunable IP-AHE in epitaxial CaRuO3/La2/3Ca1/3MnO3/CaRuO3 heterostructures grown on NdGaO3(110). By exploiting CaRuO3-buffer-controlled mirror-symmetry breaking in the ferromagnetic La2/3Ca1/3MnO3 layer, we achieve a robust IP-AHE that faithfully mirrors square-shaped ferromagnetic hysteresis, providing a direct Hall readout of in-plane magnetization reversal. Ionic liquid gating further enables dynamic reconfiguration of the symmetry breaking, achieving wide-range electrical modulation and fully reversible ON/OFF switching of IP-AHE. This highly tunable IP-AHE platform offers a symmetry-based probe of emergent low-dimensional magnetism and facilitates the development of programmable Hall functionalities in planar device geometries. Physical sciences/Materials science/Condensed-matter physics/Surfaces, interfaces and thin films Physical sciences/Materials science/Condensed-matter physics/Magnetic properties and materials Physical sciences/Materials science/Condensed-matter physics/Spintronics Physical sciences/Physics/Condensed-matter physics/Ferromagnetism Full Text Additional Declarations There is NO Competing Interest. Supplementary Files IPAHEsupplementarymaterials.pdf Supplementary Materials for “Symmetry-engineered and electrically tunable in-plane anomalous Hall effect in oxide heterostructures” Cite Share Download PDF Status: Under Review Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-9297012","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Article","associatedPublications":[],"authors":[{"id":618694857,"identity":"edf25da6-b894-4b3f-b686-618a3e1a2224","order_by":0,"name":"Lingfei 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