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breathing kagome lattice, Gd3Ru4Al12 structure type, magnetic frustration, Skyrmion lattice, topological Hall effect, Crystal symmetry, Digital storage, Ground state, Magnets, Metal ions, Rare earths, Spin Hall effect, Ternary alloys, Textures, Topology, Breathing kagome lattice, Gd3ru4al12 structure type, Ground state properties, Kagome lattice, Magnetic frustrations, Magnetic ions, Rare-earths, Skyrmion lattices, Structure type, Topological hall effect, Aluminum alloys
Abstract:
The Gd3Ru4Al12 structure type compounds, where the rare-earth magnetic ions form a breathing kagome lattice present a promising material landscape for exploring the various magnetic frustration-driven exotic states of matter. Here, we highlight the various magnetic, thermodynamic, and transport properties of several of the Gd3Ru4Al12 structure type magnets and provide intuitive insights into their rich electronic and magnetic ground states. The realization of key properties such as spin trimerization and skyrmion textures accompanied by a large topological (geometrical) Hall effect (THE) in some of these compounds is currently at the heart of several research endeavors searching for efficient data storage and spintronic devices. Features such as helical ordering and anomalous Hall effect (AHE) arising from the formation of Berry curvature by the Weyl fermions present an open window to tuning the electron spins for several practical applications. Therefore, these compounds are projected as promising candidates for investigating several other topological phases of matter accessible through the interplay of the degree of frustration and crystal field symmetry of the rare-earth ions. © 2022 Taylor & Francis Group, LLC.
