YbSiIr — Properties & Data | MatWorld

YbSiIr

ceramic

· JVASP-4693· YbSiIr

YbSiIr is an intermetallic ceramic compound combining ytterbium, silicon, and iridium, representing an emerging high-density material in the rare-earth intermetallic family. This material is primarily of research interest for advanced high-temperature applications where extreme density and potential thermal stability are advantageous, though industrial adoption remains limited. Engineers would consider YbSiIr for niche applications requiring materials that can operate in harsh thermal or chemical environments where conventional superalloys or refractory ceramics fall short.

High-temperature structural applicationsRefractory materials researchAerospace propulsion (experimental)Nuclear or extreme environment serviceIntermetallic compound developmentDensity-critical applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.4428	lb/in³	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	0.00121	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000746	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	19.50	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	19.09	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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.9161	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.

YbSiIr

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental