ErIr

Name: ErIr
Brand: MatWorld

ceramic

· ErIr

ErIr is an intermetallic ceramic compound combining erbium and iridium, representing a high-density refractory material in the rare-earth intermetallic family. This material is primarily of research and specialized industrial interest, valued for applications requiring exceptional thermal stability, chemical inertness, and retention of mechanical properties at extreme temperatures. Its use is concentrated in aerospace, nuclear, and advanced thermal management sectors where conventional ceramics or superalloys reach their performance limits.

high-temperature aerospace componentsnuclear reactor cladding and control materialsrefractory coatings and thermal barriersextreme-environment structural applicationsmaterials research and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	21,223.4	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4300	-	DFT · OptB88vdW
Shear Modulus(G)	5,459.2	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.5549	lb/in³	DFT · OptB88vdW

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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	0.000936	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000238	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-21.60	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-10.93	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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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-1.007	eV/atom	DFT · OptB88vdW
↳	-0.8592	eV/atom	Measured

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.

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.

ErIr — Properties & Data | MatWorld

ErIr

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental