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Dynamic band-structure tuning of graphene moiré superlattices with pressure
Heterostructures can be assembled from atomically thin materials by combining a wide range of available van der Waals crystals, providing exciting possibilities for designer electronics1. In many cases, beyond si...
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Open AccessEmergent bound states and impurity pairs in chemically doped Shastry-Sutherland system
Impurities often play a defining role in the ground states of frustrated quantum magnets. Studies of their effects are crucial in understanding of the phase diagram in these materials. SrCu2(BO3)2, an experimenta...
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Article
Open Accessde Haas-van Alphen effect of correlated Dirac states in kagome metal Fe3Sn2
Primarily considered a medium of geometric frustration, there has been a growing recognition of the kagome network as a harbor of lattice-borne topological electronic phases. In this study we report the observ...
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Article
Linear-in temperature resistivity from an isotropic Planckian scattering rate
A variety of ‘strange metals’ exhibit resistivity that decreases linearly with temperature as the temperature decreases to zero1–3, in contrast to conventional metals where resistivity decreases quadratically wit...
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Open AccessEvidence of two-dimensional flat band at the surface of antiferromagnetic kagome metal FeSn
The kagome lattice has long been regarded as a theoretical framework that connects lattice geometry to unusual singularities in electronic structure. Transition metal kagome compounds have been recently identi...
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Open AccessDiscovery of quantum phases in the Shastry-Sutherland compound SrCu2(BO3)2 under extreme conditions of field and pressure
The 2-dimensional layered oxide material SrCu2(BO3)2, long studied as a realization of the Shastry-Sutherland spin topology, exhibits a range of intriguing physics as a function of both hydrostatic pressure and m...
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Article
Three-dimensional flat bands in pyrochlore metal CaNi2
Electronic flat-band materials host quantum states characterized by a quenched kinetic energy. These flat bands are often conducive to enhanced electron correlation effects and emergent quantum phases of matter1....
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Two-dimensional heavy fermions in the van der Waals metal CeSiI
Heavy-fermion metals are prototype systems for observing emergent quantum phases driven by electronic interactions1–6. A long-standing aspiration is the dimensional reduction of these materials to exert control o...
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Open AccessRevealing Fermi surface evolution and Berry curvature in an ideal type-II Weyl semimetal
In type-II Weyl semimetals (WSMs), the tilting of the Weyl cones leads to the coexistence of electron and hole pockets that touch at the Weyl nodes. These electrons and holes experience the Berry curvature gen...
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Open AccessHigh-entropy engineering of the crystal and electronic structures in a Dirac material
Dirac and Weyl semimetals are a central topic of contemporary condensed matter physics, and the discovery of new compounds with Dirac/Weyl electronic states is crucial to the advancement of topological materia...