HoIr2 — Properties & Data | MatWorld

HoIr2

Name: HoIr2
Brand: MatWorld

ceramic

· HoIr2

HoIr₂ is an intermetallic ceramic compound combining holmium and iridium, belonging to the rare-earth intermetallic family. This material is primarily of research and specialized high-temperature interest, investigated for potential applications in extreme environments where exceptional thermal stability and resistance to oxidation are critical. Its notable density and refractory characteristics position it as a candidate for advanced aerospace and nuclear applications, though industrial deployment remains limited compared to established ceramic alternatives.

high-temperature structural applicationsrefractory coatingsaerospace researchnuclear reactor environmentsoxidation-resistant compoundsintermetallic research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	16.90	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000399	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000100	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	5.350	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	8.440	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.

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

Filter by

Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.8827	eV/atom	DFT · OptB88vdW
↳	-0.7711	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.

HoIr2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental