Ce4

semiconductor

· Ce4

Ce4 is a cerium-based compound, likely a cerium oxide or mixed rare-earth ceramic material used in semiconducting applications. This material belongs to the rare-earth semiconductor family and is primarily investigated for optoelectronic and catalytic device applications where cerium's mixed-valence properties (Ce³⁺/Ce⁴⁺) provide functional advantages. Ce4 is notable in research contexts for its potential in UV emission, oxygen ion conductivity, and catalytic sensing, making it a candidate for next-generation solid-state devices and environmental monitoring systems where alternative semiconductors lack cerium's unique electron-transfer capabilities.

rare-earth optoelectronicssolid-state gas sensorscatalytic convertersUV/blue LEDsoxygen-ion conductorsresearch semiconductors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00110	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.05200	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

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control