U4 S3

semiconductor

· U4 S3

U4 S3 is a semiconductor compound in the uranium-sulfur chemical family, though detailed composition and synthesis methods are not widely documented in standard materials references, suggesting it may be a specialized or research-phase compound. This material belongs to the broader class of chalcogenide semiconductors, which are studied for potential applications in optoelectronics, thermoelectric devices, and nuclear fuel cycles due to uranium's unique electronic properties. Engineers considering this material should verify its availability, stability, and processing characteristics through the supplier or relevant research literature, as it represents a niche composition that may not be commercially standardized.

nuclear materials researchexperimental semiconductorsthermoelectric applicationsoptoelectronic deviceschalcogenide compoundsadvanced materials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	15,296.7	ksi	—
Shear Modulus(G)	4,104.6	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00200	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.9420	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.

U4 S3

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control