Ta3 Br7 S1

semiconductor

· Ta3 Br7 S1

Ta3Br7S1 is an experimental mixed-halide and chalcogenide semiconductor compound containing tantalum, bromine, and sulfur. This material belongs to the family of layered transition metal halide-chalcogenides, which are primarily investigated in research settings for their unique electronic and optical properties arising from their low-dimensional crystal structure. While not yet commercialized for mainstream engineering applications, compounds in this family show promise in emerging technologies due to their tunable bandgap, potential for excitonic effects, and distinctive vibrational properties that differ from conventional semiconductors.

optoelectronic devices (research)two-dimensional materials researchphotovoltaic applications (exploratory)nonlinear optical materials (experimental)electronic device engineering (advanced research)material characterization and fundamental studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	5,745.1	ksi	—
Shear Modulus(G)	3,508	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.7897	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.9800	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.

Ta3 Br7 S1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control