Ta4 Se8

semiconductor

· Ta4 Se8

Ta₄Se₈ is a layered transition metal chalcogenide semiconductor compound combining tantalum and selenium in a specific stoichiometric ratio. This material belongs to the family of reduced-dimensional semiconductors that exhibit quasi-2D electronic properties and is primarily of research interest for next-generation optoelectronic and quantum device applications. Ta₄Se₈ and related tantalum chalcogenides are being investigated for their potential in photodetection, field-effect transistors, and studies of charge density wave phenomena, offering advantages over conventional semiconductors in specific niche applications requiring strong light-matter interactions or unique electronic band structures.

experimental optoelectronicsphotodetectors and sensorsfield-effect transistors2D materials researchquantum device platforms

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	54.41	GPa	—
Shear Modulus(G)	33.51	GPa	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00170	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.8210	eV/atom	—

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

Ta4 Se8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control