Site preference of chalcogen atoms in 1T${}^{\prime }$ $M{X}_{2(1-x)}{Y}_{2x}$ ($M=$ Mo and W; $X,Y=$ S, Se, and Te)

Shota Ono, Ryotaro Ohse

The insulator-metal transition, accompanying the structural phase transition from 2H to 1T${}^{\prime }$ structure, has been reported in two-dimensional W-S-Te and W-Se-Te systems. It i…