Ta4 V4 O20

semiconductor

· Ta4 V4 O20

Ta₄V₄O₂₀ is a mixed-metal oxide semiconductor compound combining tantalum and vanadium oxides in a defined stoichiometric ratio. This material belongs to the family of transition metal oxides and is primarily of research interest for applications requiring high-temperature stability, electrical conductivity modulation, and catalytic activity. Industrial applications include electrochemical devices, catalysis, and solid-state electronics, where the dual-metal composition offers advantages over single-oxide alternatives in terms of electronic properties and thermal robustness.

catalytic materialselectrochemical sensorshigh-temperature electronicssolid oxide fuel cellsresearch semiconductorsoxidation catalysis

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.072	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.755	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 V4 O20

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control