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Bulk superconductivity in the kagome metal YRu3B2
Tobi Gaggl, Ryo Misawa, Markus Kriener +3
Materials with a kagome sublattice have been heavily studied recently for their exotic electronic band structure, structural frustration, high-temperature charge order transitions,…
Successive orthorhombic distortions in kagome metals by molecular orbital formation
Ryo Misawa, Shunsuke Kitou, Rinsuke Yamada +12
The kagome lattice, with its inherent frustration, hosts a plethora of exotic phenomena, including the emergence of charge density wave order. The high rotational sym…
Material realization of spinless, covalent-type Dirac semimetals in three dimensions
Yuki Tanaka, Rinsuke Yamada, Manabu Sato +2
Realization of a three-dimensional (3D) analogue of graphene has been a central challenge in topological materials science. Graphene is stabilized by covalent bonding unlike conven…
Chemical enhancement of superconductivity in LaRu3Si2 with mode-selective coupling between kagome phonons and flat bands
Ryo Misawa, Markus Kriener, Rinsuke Yamada +4
In kagome metals, flat electronic bands induced by frustrated hopping are a platform for strong electron correlations. In particular, a selective coupling of flat band states to ce…
Entropy-assisted, long-period stacking of honeycomb layers in an AlB2-type silicide
Leonie Spitz, Takuya Nomoto, Shunsuke Kitou +8
Configurational entropy can impact crystallization processes, tipping the scales between structures of nearly equal internal energy. Using alloyed single crystals of Gd2PdSi3 in th…
Nanometric skyrmion lattice from anisotropic exchange interactions in a centrosymmetric host
Max Hirschberger, Satoru Hayami, Yoshinori Tokura
Skyrmion formation in centrosymmetric magnets without Dzyaloshinskii-Moriya interactions was originally predicted from unbiased numerical techniques. However, no attempt has yet be…
Triangular lattice magnet GdGa with short-period spin cycloids and possible skyrmion phases
Priya R. Baral, Nguyen Duy Khanh, Masaki Gen +6
The two-dimensional triangular lattice (TAL) is a model system of magnetic frustration and competing interactions, where skyrmion spin vortices can be induced by a vertical magneti…
Perfectly harmonic spin cycloid and multi- textures in the Weyl semimetal GdAlSi
Ryota Nakano, Rinsuke Yamada, Juba Bouaziz +18
A fundamental question concerns how topological electronic states are influenced by many-body correlations, and magnetic Weyl semimetals represent an important material platform to…
Current-linear emergent induction of pinned skyrmion textures in an oxide bilayer
Ludwig Scheuchenpflug, Sebastian Esser, Robert Gruhl +2
Emergent electromagnetic induction (EEMI) induced through current-driven spin dynamics was recently predicted and subsequently observed in helical spin magnets, opening a new direc…
Metallic -wave magnet with commensurate spin helix
Rinsuke Yamada, Max T. Birch, Priya R. Baral +20
Antiferromagnetic states with spin-split electronic structure give rise to novel spintronic, magnonic, and electronic phenomena despite (near-) zero net magnetization. The simplest…