ARPES measurements and ab initio phonon calculations on 2H-TaS2 and its self-intercalated variant show that CDW ordering vector depends on band filling and interlayer spacing, with a novel 2x√3 CDW appearing under electron doping.
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Change in charge density wave order beyond the Lifshitz transition in 2H-Ta\textsubscript{1$\pm\delta$}S\textsubscript{2}
ARPES measurements and ab initio phonon calculations on 2H-TaS2 and its self-intercalated variant show that CDW ordering vector depends on band filling and interlayer spacing, with a novel 2x√3 CDW appearing under electron doping.