Pr4 Zr4 O14

semiconductor
· Pr4 Zr4 O14

Pr₄Zr₄O₁₄ is a mixed rare-earth zirconium oxide ceramic compound belonging to the family of pyrochlore and fluorite-related structures, which are studied for their ionic conductivity and thermal properties. This material is primarily of research interest for advanced thermal barrier coatings, solid-state electrolytes, and high-temperature structural applications where rare-earth doping of zirconia systems offers enhanced phase stability and reduced thermal conductivity compared to conventional yttria-stabilized zirconia (YSZ). Engineers considering this compound should note it remains largely experimental; its selection would be driven by specific requirements for thermal insulation at extreme temperatures or ionic transport in energy conversion devices where standard zirconia ceramics fall short.

thermal barrier coatingssolid oxide fuel cellshigh-temperature structural ceramicsadvanced refractory materialsionic conductor electrolytesresearch/development phase

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
—
eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
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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.