U4 Se4 S4 — Properties & Data | MatWorld

U4 Se4 S4

ceramic

· U4 Se4 S4

U₄Se₄S₄ is a mixed-chalcogenide ceramic compound containing uranium combined with selenium and sulfur elements, representing an experimental material in the uranium chalcogenide family. This compound exists primarily in research and development contexts, with potential applications in nuclear materials science, advanced ceramics for extreme environments, and possibly specialized electronic or photonic applications where uranium-bearing compounds are being investigated. The mixed Se/S composition distinguishes it from single-chalcogenide alternatives and may offer tuned properties for high-temperature stability or radiation resistance, though industrial deployment remains limited.

experimental nuclear materialsuranium-bearing ceramicshigh-temperature oxidation resistanceradiation-tolerant compoundsmaterials researchadvanced refractory applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.326	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

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 Se4 S4

Other Properties

Regulatory Screening

Environmental