Strain Engineering a $4a\times \sqrt{3}a$ Charge Density Wave Phase in Transition Metal Dichalcogenide 1T-VSe${}_2$

Duming Zhang, Jeonghoon Ha, Hongwoo Baek +10

We report a rectangular charge density wave (CDW) phase in strained 1T-VSe${}_2$ thin films synthesized by molecular beam epitaxy on c-sapphire substrates. The observed CDW structure…