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Hysteretic Coherence Collapse Across the First Order CDW Transition in 1T-TaS2
Turgut Yilmaz, Anil Rajapitamahuni, Asish K. Kundu +2
The first order phase transition between the nearly commensurate (NC-CDW) and commensurate (C-CDW) charge density wave phases in 1T-TaS2 underpins its exotic electronic behavior, y…
Incommensurate spin fluctuations in one-dimensional Kondo metal CeCo2Ga8
Yixuan Huang, P. Murgatroyd, Yi Wu +15
We present an experimental and numerical study of the spin fluctuations in 1D Kondo metal CeCoGa. Using inelastic neutron spectroscopy, we measure highly one-dimensional ma…
Direct Evidence for Robust Bulk Band Gap Across the Charge Density Wave Transition in TiSe2
Turgut Yilmaz, Anil Rajapitamahuni, Muhammad Awais Fiaz +7
The mechanism driving the charge density wave (CDW) transition in TiSe2 has been debated for decades, with proposals ranging from an excitonic insulator to a lattice-driven instabi…
Proximity-induced charge transfer, strain and magnetic exchange in graphene/CrSBr heterostructure
Asish K. Kundu, Anil Rajapitamahuni, Niraj Aryal +8
Stacking van der Waals materials provides a powerful route to engineer emergent electronic and magnetic behaviors through proximity-driven interactions. The graphene/CrSBr heterost…
Equilibrium Stabilization of a Hidden Phase Like Metallic State in 1T-TaS2
Turgut Yilmaz, Anil Rajapitamahuni, Suji Park +3
Electronic phases that lie outside the equilibrium ground state offer a route to explore competing configurations in correlated materials. In 1T-TaS2, ultrafast excitation accesses…
Electronic Coherence Evolution at the Nearly Commensurate Incommensurate CDW Boundary of 1T-TaS2
Turgut Yilmaz, Yi Sheng Ng, Menka Jain +7
Transition metal dichalcogenides host a variety of charge density wave phases that couple lattice, charge, and correlation effects. In 1T-TaS2, the commensurate and nearly commensu…