Th4 S8

semiconductor

· Th4 S8

Th4S8 is a thorium sulfide compound semiconductor that belongs to the rare-earth and actinide sulfide family of materials. This material is primarily of research interest for specialized optoelectronic and nuclear applications, where its thermal stability and potential luminescent properties may offer advantages over more conventional semiconductors in extreme or radiation-rich environments. Limited commercial deployment reflects its niche research status and the specialized handling requirements associated with thorium-containing compounds.

nuclear detector materialsresearch optoelectronicsradiation-resistant semiconductorshigh-temperature sensor applicationsactinide compound researchspecialized radiation shielding

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	99.44	GPa	—
Shear Modulus(G)	39.21	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.075	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.193	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.

Th4 S8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control