Si4 Th2

semiconductor

· Si4 Th2

Si₄Th₂ is an intermetallic compound combining silicon with thorium, belonging to the family of refractory metal silicides. This is primarily a research-phase material studied for high-temperature structural applications where extreme thermal stability and chemical inertness are required; it is not widely commercialized in conventional engineering. The thorium-silicon system offers potential advantages in nuclear reactor environments and specialized aerospace applications where conventional alloys fail, though practical deployment remains limited due to thorium's regulatory constraints, material brittleness concerns, and the need for further processing development.

Nuclear reactor componentsHigh-temperature refractory applicationsAerospace research materialsAdvanced materials researchExtreme environment testing

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	103.4	GPa	—
Shear Modulus(G)	40.95	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00140	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.5340	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.

Si4 Th2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control