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Complex oxides have competing phases with different spin, electronic and orbital order. Now it has been shown that growing thin films on different facets of a low-symmetry substrate can be used to control the phase of the ground state.
Recent theoretical studies indicate that the Kitaev model may be realized in framework materials exhibiting extended superexchange pathways. Here the authors report experimental evidence showing that the material requirements for a Kitaev quantum spin liquid are satisfied in a inorganic framework material.
The anomalous Nernst effect is a key for transverse thermoelectric applications. Here, the authors show an intense performance improvement of the anomalous Nernst effect via hybrid actions with the off-diagonal Seebeck effect in artificial materials.
Many physical systems involve long-range interactions, which present a considerable obstacle to large-scale simulations. Cai, Li and Wang introduce NeuralMAG, a deep learning approach to reduce complexity and accelerate micromagnetic simulations.
The possibility of tuning the shape of the Weyl nodes in topological magnets could open an avenue towards engineering their electrical behaviour. Here, the authors report the tuning of Weyl nodes and associated magnetotransport in MnSb2Te4 by diffusion-controlled ionic hydrogen insertion.
Kagome lattices exhibit notable rich physics, however, there has been only limited study of the influence of magnetic ordering on the electronic structure. Here, by combining angle-resolved photoemission spectroscopy and first principles calculations, Lou et al. find that the spin reorientation transition has an orbital-selective effect on the Dirac fermions of the kagome material, Fe3Ge.
Phase-changing materials such as FeRh, undergoing a first-order phase transition from antiferromagnetic to ferromagnetic near room temperature, are attractive for various applications. Here, terahertz time-domain spectroscopy provides evidence that the conductivity change in FeRh during the phase transition originates from a restructuring of its band structure.
Complex oxides have competing phases with different spin, electronic and orbital order. Now it has been shown that growing thin films on different facets of a low-symmetry substrate can be used to control the phase of the ground state.
An article in Nature Communications presents the orbital torque switching in light metal Zr systems with perpendicular magnetic anisotropy ferromagnetic materials.
Room-temperature magnetism is challenging for 2D materials as they tend to lose their magnetic order at increasing temperatures. Now, researchers have achieved room temperature magnetism in lithium-intercalated chromium iodide.
Dimensionality tuning can control fluctuations and induce complex phase diagrams with multiple orders and transitions among them. Now, experiments demonstrate intertwined vestigial order in the two- to three-dimensional crossover region in a van der Waals magnet.
An article in Nature reports the observation of giant terahertz magnetoelectric oscillations in a van der Waals multiferroic and presents a theoretical model that elucidates their origin.
