Ca4 S8 U4

semiconductor

· Ca4 S8 U4

Ca₄S₈U₄ is an experimental ternary semiconductor compound combining calcium, sulfur, and uranium in a fixed stoichiometric ratio. This material belongs to the family of actinide-bearing sulfides and exists primarily in research contexts exploring uranium chemistry and solid-state physics rather than established commercial production. The compound is notable as a model system for studying electronic behavior in uranium-containing systems and potential applications in nuclear materials science, though practical engineering deployment remains limited and requires specialized handling due to uranium content.

nuclear materials researchsemiconductor physics studiesactinide compound characterizationsolid-state chemistry experimentationradiation detection researchmaterials database reference

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	48.67	GPa	—
Shear Modulus(G)	-7.880	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00520	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.301	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.

Ca4 S8 U4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control