Ca4 Ta2 Bi2 O12

semiconductor

· Ca4 Ta2 Bi2 O12

Ca₄Ta₂Bi₂O₁₂ is a complex oxide ceramic compound combining calcium, tantalum, and bismuth in a structured lattice—a member of the pyrochlore or related mixed-metal oxide family. This is a research-stage material primarily studied for its electronic and photonic properties; it has shown potential in photocatalysis, radiation detection, and scintillation applications where the combination of high-atomic-number elements (tantalum, bismuth) and ceramic stability becomes advantageous. Engineers would consider this material for next-generation optoelectronic or radiation-sensing devices where conventional oxides fall short, though industrial deployment remains limited compared to established alternatives like YAG or BGO scintillators.

scintillation detectorsphotocatalytic applicationsradiation detectionoptoelectronic researchhigh-energy physics instrumentationmaterials research prototypes

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.855	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.757	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.

Ca4 Ta2 Bi2 O12

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control