Ta4 O12

semiconductor

· Ta4 O12

Ta₄O₁₂ is a mixed-valence tantalum oxide semiconductor compound belonging to the family of reduced tantalum oxides, distinct from the more common Ta₂O₅. This material is primarily of research interest rather than established industrial use, investigated for its electronic and photocatalytic properties in academic and laboratory settings. The compound's mixed oxidation states and semiconductor behavior make it potentially valuable for photocatalytic applications, gas sensing, and electronic devices, though widespread engineering adoption remains limited compared to conventional tantalum oxide ceramics.

photocatalytic applicationsgas sensingresearch semiconductorselectronic thin filmsmaterials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.02760	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.406	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.

Ta4 O12

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control