Tl4 Au8 S6

semiconductor

· Tl4 Au8 S6

Tl₄Au₈S₆ is an intermetallic semiconductor compound combining thallium, gold, and sulfur in a fixed stoichiometric ratio, forming a crystalline solid-state material. This is a research-phase compound studied for its electronic and optical properties as part of the broader family of noble metal chalcogenides; potential applications span thermoelectric energy conversion, photovoltaic devices, and optoelectronic components, where the combination of heavy elements and sulfide chemistry offers band-gap engineering opportunities that distinguish it from conventional semiconductors like silicon or III-V materials.

Experimental thermoelectric devicesPhotovoltaic researchOptoelectronic semiconductorsBand-gap engineeringHigh-pressure electronicsSolid-state physics research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	30.86	GPa	—
Shear Modulus(G)	10.59	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.140	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.

Tl4 Au8 S6

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control