Ta4 N4 O4

semiconductor

· Ta4 N4 O4

Ta₄N₄O₄ is a mixed-valence tantalum oxynitride ceramic compound belonging to the transition metal ceramic family, combining refractory and semiconductor properties. This material is primarily of research interest for advanced applications requiring high thermal stability and electrical functionality, with potential use in semiconductor devices, catalysis, and high-temperature structural applications where the coupling of nitrogen and oxygen in a tantalum matrix enables unique electronic properties. Compared to pure tantalum oxide or nitride ceramics, the oxynitride composition offers tunable bandgap and enhanced performance in oxygen reduction reactions and photocatalytic processes, making it notable for next-generation energy conversion and environmental remediation technologies.

photocatalytic materialsenergy conversion deviceshigh-temperature ceramicselectrochemical catalysissemiconductor researchrefractory coatings

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	280.0	GPa	—
Shear Modulus(G)	137.9	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.008	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.129	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 N4 O4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control