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Measurements of Correlated Insulator Gaps in a Transition Metal Dichalcogenide Moiré Superlattice
Xiong Huang, Dongxue Chen, Zhen Lian +8
Moiré superlattices of transitional metal dichalcogenides exhibit strong electron-electron interaction that has led to experimental observations of Mott insulators and generalized…
Interaction-driven (quasi-) insulating ground states of gapped electron-doped bilayer graphene
Anna M. Seiler, Martin Statz, Isabell Weimer +6
Bernal bilayer graphene has recently been discovered to exhibit a wide range of unique ordered phases resulting from interaction-driven effects and encompassing spin and valley mag…
Observation of spin polarons in a frustrated moiré Hubbard system
Zui Tao, Wenjin Zhao, Bowen Shen +5
The electron's kinetic energy plays a pivotal role in magnetism. While virtual electron hopping promotes antiferromagnetism in an insulator, the real process usually favors ferroma…
Two-Dimensional Moiré Polaronic Electron Crystals
Eric A. Arsenault, Yiliu Li, Birui Yang +12
Two-dimensional moiré materials have emerged as the most versatile platforms for realizing quantum phases of electrons. Here, we explore the stability origins of correlated states…
Thermodynamic behavior of correlated electron-hole fluids in van der Waals heterostructures
Ruishi Qi, Andrew Y. Joe, Zuocheng Zhang +12
Coupled two-dimensional electron-hole bilayers provide a unique platform to study strongly correlated Bose-Fermi mixtures in condensed matter. Electrons and holes in spatially sepa…
Signature of Correlated Insulator in Electric Field Controlled Superlattice
Jiacheng Sun, Sayed Ali Akbar Ghorashi, Kenji Watanabe +4
The Bloch electron energy spectrum of a crystalline solid is determined by the underlying lattice structure at the atomic level. In a 2-dimensional (2d) crystal it is possible to i…