Electronic and Magnetic Properties of 2D Breathing-Kagomé Magnets
ORAL
Abstract
Kagomé materials have received significant interest recently since they can host flat bands due to their lattice configurations. This makes them a platform for the study of the interplay between geometry, topology, electronic correlations, and magnetism. In this talk, we use density functional theory calculations to investigate the 2D Kagomé magnetic semiconductor Nb3I8. Our calculations demonstrate flat bands that are consistent with experimental ARPES measurements [1]. We further show that the magnetic exchange interactions in this material allow for novel and tunable magnetic phases.
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Publication: [1] Regmi, Sabin, Tharindu Warnakulasooriya Fernando, Yuzhou Zhao et al. "Spectroscopic evidence of flat bands in breathing kagome semiconductor Nb3I8." arXiv preprint arXiv:2203.10547 (2022). Communications Materials, forthcoming.
Presenters
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Tharindu Warnakulasooriya Fernando
University of Washington, tharindu@uw.edu
Authors
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Tharindu Warnakulasooriya Fernando
University of Washington, tharindu@uw.edu
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Xiaowei Zhang
University of Washington
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Ting Cao
University of Washington, Department of Materials Science & Engineering, University of Washington