Ce4 Th1 O9

semiconductor

· Ce4 Th1 O9

Ce₄Th₁O₉ is a mixed rare-earth and thorium oxide ceramic compound belonging to the family of fluorite-related oxides. This material is primarily investigated in research contexts for nuclear fuel applications and solid-state electrolyte systems, where its oxygen-ion conductivity and thermal stability at high temperatures are of interest. It represents an experimental composition within the broader class of advanced ceramics used to optimize ionic transport and radiation resistance in extreme environments.

nuclear fuel matricessolid oxide fuel cells (SOFC)high-temperature electrolytesradiation-resistant ceramicsoxygen-ion conductorsmaterials research & development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00170	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-3.780	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.

Ce4 Th1 O9

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control