Odd-to-Even-Layer Switch of Spontaneous Excitonic State in $\mathrm{TiS}{\mathrm{e}}_2$ Thin Films

Kaili Wang, Zhuowei Liu, Yuyang Mu +8

$\mathrm{TiS}{\mathrm{e}}_2$ is a candidate of high temperature excitonic condensates with spontaneous exciton formation in addition to its charge density wave (CDW). However, direct observatio…