S4 Tl4

semiconductor

· S4 Tl4

S4 Tl4 is an experimental semiconductor compound in the sulfur-thallium chemical system, likely investigated for its electronic and optical properties in materials research. While not established as a commercial material, compounds in this family are of interest for specialized optoelectronic applications and fundamental semiconductor physics studies, particularly where thallium-based semiconductors offer unique bandgap or transport characteristics. Researchers typically explore such materials for potential niche applications in infrared detection, photovoltaics, or other quantum-regime devices where conventional semiconductors are insufficient.

research semiconductorsinfrared optoelectronicsexperimental photovoltaicsquantum devicesmaterials characterization studiesthallium-based compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	4,430	ksi	—
Shear Modulus(G)	2,028.6	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.6785	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2720	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.

S4 Tl4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control