Tb4 Cu4 S8

semiconductor

· Tb4 Cu4 S8

Tb₄Cu₄S₈ is a ternary semiconductor compound combining terbium, copper, and sulfur elements, representative of rare-earth transition metal chalcogenides. This is a research-stage material investigated for potential optoelectronic and thermoelectric applications where the rare-earth component offers unique electronic and magnetic properties. Materials in this family are of interest to the semiconductor research community for exploring novel band structures and phonon interactions that could enable high-performance energy conversion or advanced photonic devices.

thermoelectric energy conversion (research)optoelectronic semiconductors (development)rare-earth functional materialssolid-state physics researchlow-dimensional quantum materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	12,444.2	ksi	—
Shear Modulus(G)	6,283	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.263	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.510	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.

Tb4 Cu4 S8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control