常壓下,1T-TaS2 (1T phase Tantalum Disulfide)在溫度高于550 K時是金屬相;而低于550 K時是非公度CDW相 (Incommensurate Charge Density Waves, ICCDW)。而低于350 K時體現出的是近似公度的CDW相;當溫度降低到180 K一下時,顯示出包含一種Mott相的公度CDW相 (CCDW)。其層間相互作用力是范德華(van der Waals)相互作用。1T-TaS2 屬于第五族過渡金屬二鹵化物( Transition Metal Dichalcogenides TMDC)。TaS2還有另一種相是2H相,詳情請參考2H-TaS2.
我們提供的1T-TaS2尺寸直徑6 -8 mm。
1T-TaS2 crystal properties
| Crystal size | ~8 mm |
| Electrical properties | Semiconductor, Charge density waves (CDW) system, Mott phase |
| Crystal structure | hexagonal |
| Unit cell parameters | a = b = 0.336 nm, c = 0.590 nm, α = β = 90°, γ = 120° |
| Type | Synthetic |
| Purity | >99.995 % |
| Characterized by | XRD, Raman, EDX |
546479113
