Tl4 Ag4 Te4

semiconductor

· Tl4 Ag4 Te4

Tl₄Ag₄Te₄ is a quaternary semiconductor compound combining thallium, silver, and tellurium in a stoichiometric ratio, representing an emerging material in the narrow-gap semiconductor family. This compound has been investigated primarily in research contexts for thermoelectric and optoelectronic applications, where its layered crystal structure and mixed-metal composition offer potential advantages in charge transport and thermal properties relative to conventional binary semiconductors. Engineers considering this material should recognize it remains largely in the experimental phase; its relevance depends on specialized applications requiring the unique electronic or thermal characteristics that this particular elemental combination provides.

thermoelectric energy conversioninfrared optoelectronicsnarrow-gap semiconductorsmixed-metal compoundsresearch and developmentsolid-state physics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	5,774.1	ksi	—
Shear Modulus(G)	1,785	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.6945	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2050	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 Ag4 Te4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control