Titanium diselenide is a Group IV transition metal dichalcogenide (TMDC) exhibiting characteristic charge-density-wave (CDW) behavior. TiSe₂ has a layered 1T crystal structure with octahedral coordination, belonging to space group P-3m1 (point group D₃d), with adjacent layers held together by van der Waals interactions. Bulk 1T-TiSe₂ undergoes a charge-density-wave phase transition at approximately 200 K, forming a commensurate 2 × 2 × 2 CDW state. Under conditions such as high pressure or copper intercalation, CDW order can be suppressed, and superconductivity may emerge.
Specifiche
Specifiche e purezza
≥99.9% metals basis, ≥500 mesh
Purezza
≥99.9% metals basis
Nomi e identificatori
Sorrisi canonici
[Ti](=[Se])=[Se]
IUPAC Name
bis(selanylidene)titanium
InChIKey
SWFBFRDZBFXEHJ-UHFFFAOYSA-N
INCHI
1S/2Se.Ti
Peso molecolare
205.79
Dati avanzati
Certificati (CoA, COO, BSE/TSE e tabella di analisi)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
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