X-Ray Study of Charge Density Wave Structure in 1T-TaS₂

Positions of satellite reflections in charge density wave (CDW) phases of 1T-TaS 2 were measured by X-ray diffraction. In the commensurate (C-) phase, stacking of CDW layers is considerably disordered. On heating from the C-phase there appears a new incommensurate triclinic structure up to 280 K, where anomalies have been observed in various properties.