Th4 Si4

semiconductor

· Th4 Si4

Th₄Si₄ is a refractory intermetallic compound combining thorium and silicon, belonging to the rare-earth and actinide silicide family. This material is primarily of research interest for high-temperature structural applications and nuclear fuel cladding contexts, where its thermal stability and potential resistance to oxidation at elevated temperatures are being investigated. While not yet widely deployed in commercial engineering, thorium silicides represent an emerging materials class for next-generation nuclear systems and ultra-high-temperature aerospace components.

nuclear fuel cladding (research)high-temperature refractory applicationsadvanced reactor materialsthermal barrier coatings (experimental)actinide-based intermetallics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000700	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.6560	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 Si4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control