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Multiple ground states of the transition-metal dichalcogenide TaS2 | Center for Nanoscience and Nanotechnology

Multiple ground states of the transition-metal dichalcogenide TaS2

Date: 
Tue, 02/11/202112:15
Location: 
Seminar Hall, Los Angeles Building, entrance floor

 

Prof. Amit Kanigel (Technion)

Department of Physics, Technion, Israel

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Low dimensional materials have been a major subject of interest in recent years. In particular, the transitions metal dichalcogenides (TMDs), quasi-2D layered materials with weak van der Waals coupling between layers, received a lot of attention. TMDs exhibit strong electron-electron and electron-phonon interactions that lead to complicated phase diagrams showing a variety of ground states. In this talk I will describe the different structures of TaS2. I will show evidence of a quantum spin liquid state in 1T-TaS2 and of unconventional superconductivity in 4Hb-TaS2.