TaOsN3

ceramic

· TaOsN3

TaOsN3 is an experimental ceramic compound combining tantalum, osmium, nitrogen, and oxygen—a refractory nitride-oxide belonging to the family of high-entropy and multi-component ceramics under active research. This material is primarily investigated for extreme-temperature structural applications where conventional ceramics reach their limits, leveraging the high melting points and chemical stability of tantalum and osmium phases. Its development is driven by aerospace and energy sectors seeking materials that maintain strength in hypersonic flight environments, advanced reactor cores, or ultra-high-temperature tool applications where the synergistic combination of these expensive, refractory elements offers potential advantages over single-phase alternatives.

hypersonic vehicle structuresrefractory coatingsadvanced reactor materialshigh-temperature tool applicationsthermal protection systems

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · GLLB-SC
Magnetic Moment(μB)	0.2430	μB	DFT

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	1.220	eV/atom	DFT

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

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.

TaOsN3 — Properties & Data | MatWorld

TaOsN3

Electrical Properties

Other Properties

Regulatory Screening

Environmental