Complex electronic topography and magnetotransport in an in-plane ferromagnetic kagome metal

Kagome materials, with their corner-sharing triangular lattice, have attracted strong interest due to the interplay of correlations, magnetism, symmetry, and topology. Here, the authors engineer the magnetic landscape of ScMn${}_{6}$Sn${}_{6}$ via Ga doping to realize ScMn${}_{6}$(Sn${}_{0.78}$Ga${}_{0.22}$)${}_{6}$, which exhibits robust ferromagnetism below 375 K with an in-plane easy axis. High-resolution angle-resolved photoemission spectroscopy (ARPES) measurements reveal a Dirac cone near the Fermi energy, while theoretical calculations show that its gap can be tuned by the orientation of the magnetic moments. Additionally, a flat band spanning a large region of the Brillouin zone, originating from the Kagome lattice, is observed.

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Publication Details

Journal
Physical Review Materials
Published
2026-05-11
DOI
https://doi.org/10.1103/2q8z-625s
Primary Topic
Advanced Condensed Matter Physics
Type
article
Field-Weighted Citation Impact
0.00

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article

Complex electronic topography and magnetotransport in an in-plane ferromagnetic kagome metal

Barun Ghosh, Shirin Mozaffari, Mazharul Islam Mondal, Arun Bansil et al.
Physical Review Materials
Advanced Condensed Matter Physics
article

Complex electronic topography and magnetotransport in an in-plane ferromagnetic kagome metal

Barun Ghosh, Shirin Mozaffari, Mazharul Islam Mondal, Arun Bansil, David Mandrus, Anup Pradhan Sakhya, Yong P. Chen, Milo Sprague, Richa Pokharel Madhogaria, Madhab Neupane, Rui Xue, Nabil Atlam, Arun K. Kumay, Himanshu Sheokand
article en

Abstract

Kagome materials, with their corner-sharing triangular lattice, have attracted strong interest due to the interplay of correlations, magnetism, symmetry, and topology. Here, the authors engineer the magnetic landscape of ScMn${}_{6}$Sn${}_{6}$ via Ga doping to realize ScMn${}_{6}$(Sn${}_{0.78}$Ga${}_{0.22}$)${}_{6}$, which exhibits robust ferromagnetism below 375 K with an in-plane easy axis. High-resolution angle-resolved photoemission spectroscopy (ARPES) measurements reveal a Dirac cone near the Fermi energy, while theoretical calculations show that its gap can be tuned by the orientation of the magnetic moments. Additionally, a flat band spanning a large region of the Brillouin zone, originating from the Kagome lattice, is observed.

Physical Review MaterialsVol. 10(5)
University of Central Florida (US), Hiroshima University (JP), Oak Ridge National Laboratory (US), Purdue University West Lafayette (US), University of Tennessee at Knoxville (US), S.N. Bose National Centre for Basic Sciences (IN), Universidad del Noreste (MX)
U.S. Department of Energy, Northeastern University, Office of Science, S. N. Bose National Centre for Basic Sciences, Basic Energy Sciences, Air Force Office of Scientific Research, Lawrence Berkeley National Laboratory
Openalex Percentile: Top 99%
Advanced Condensed Matter Physics
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