ErTaRu2 — Properties & Data | MatWorld

ErTaRu2

ceramic

· JVASP-40930· ErTaRu2

ErTaRu2 is an intermetallic ceramic compound combining erbium, tantalum, and ruthenium—a material class typically explored for high-temperature structural and functional applications. This is a research-phase compound within the rare-earth transition-metal intermetallic family, where such combinations are investigated for potential use in extreme environments requiring thermal stability, oxidation resistance, or specialized electronic properties. Engineers considering this material should recognize it represents an emerging class rather than an established industrial standard, with development focus likely on aerospace, nuclear, or advanced energy applications where conventional ceramics reach their limits.

high-temperature structural ceramicsaerospace componentsoxidation-resistant coatingsnuclear reactor materialsresearch and developmentrefractory applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	13.30	kg/m³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000520	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000367	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-21.09	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-5.660	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4560	eV/atom	DFT · OptB88vdW

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.

ErTaRu2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental