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Journal article
Epitaxial growth and magnetic properties of kagome metal FeSn/elemental ferromagnet heterostructures
Journal of applied physics, v 135(8), 085302
28 Feb 2024
Abstract
Binary kagome compounds TmXn (T = Mn, Fe, Co; X = Sn, Ge; m:n = 3:1, 3:2, 1:1) have garnered recent interest owing to the presence of both topological band crossings and flatbands arising from the geometry of the metal-site kagome lattice. To exploit these electronic features for potential applications in spintronics, the growth of high-quality heterostructures is required. Here, we report the synthesis of Fe/FeSn and Co/FeSn bilayers on Al2O3 substrates using molecular beam epitaxy to realize heterointerfaces between elemental ferromagnetic metals and antiferromagnetic kagome metals. Structural characterization using high-resolution x-ray diffraction, reflection high-energy electron diffraction, and electron microscopy reveals that the FeSn films are flat and epitaxial. Rutherford backscattering spectroscopy was used to confirm the stoichiometric window where the FeSn phase is stabilized, while transport and magnetometry measurements were conducted to verify metallicity and magnetic ordering in the films. Exchange bias was observed, confirming the presence of antiferromagnetic order in the FeSn layers, paving the way for future studies of magnetism in kagome heterostructures and potential integration of these materials into devices. (c) 2024 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International (CC BY-NC-ND) license (https://creativecommons.org/licenses/by-nc-nd/4.0/).
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Details
- Title
- Epitaxial growth and magnetic properties of kagome metal FeSn/elemental ferromagnet heterostructures
- Creators
- Prajwal M. Laxmeesha - Drexel UniversityTessa D. Tucker - Drexel UniversityRajeev Kumar Rai - Univ Penn, Dept Mat Sci & Engn, Philadelphia, PA 19104 USAShuchen Li - University of Illinois Urbana-ChampaignMyoung-Woo Yoo - University of Illinois Urbana-ChampaignEric A. Stach - University of PennsylvaniaAxel Hoffmann - University of Illinois Urbana-ChampaignSteven J. May - Drexel University
- Publication Details
- Journal of applied physics, v 135(8), 085302
- Publisher
- AIP Publishing
- Number of pages
- 8
- Grant note
- DMR-1720633 / National Science Foundation; National Science Foundation (NSF) U.S. Army Research Office DMR-1040166 / National Science Foundation10.13039/100000001 W911NF-11-1-0283 / National Science Foundation through the University of Illinois Urbana-Champaign Materials Research Science and Engineering Center
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:001198411700025
- Scopus ID
- 2-s2.0-85186120814
- Other Identifier
- 991021934208604721
InCites Highlights
Data related to this publication, from InCites Benchmarking & Analytics tool:
- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Physics, Applied