Sb2Ir

ceramic

· Sb2Ir

Sb₂Ir is an intermetallic ceramic compound combining antimony and iridium, belonging to the family of refractory intermetallics used in high-temperature and extreme-environment applications. This material is primarily of research and specialized industrial interest, valued for its potential in high-temperature structural applications where traditional ceramics or metallic alloys reach their performance limits. Engineers consider Sb₂Ir when designing systems requiring thermal stability, chemical inertness, and mechanical integrity at elevated temperatures, particularly in aerospace, catalysis, and materials research contexts where cost and manufacturing complexity are secondary to performance.

high-temperature structural componentsaerospace thermal applicationscatalytic supportsmaterials research and developmentchemical processing equipmentadvanced refractory systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	17,046.3	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)	10,822.7	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3793	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	0.4700	eV	DFT · OptB88vdW
↳	0.5970	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	34.62	-	DFT · PBE
↳	27.82 range 23.17–32.47median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	26.09	-	DFT · OptB88vdW
↳	22.41	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.1267	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.1133	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00427	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00348	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-322.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	217.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	19.25	%	DFT · TBmBJ

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)	-0.3430	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.

Sb2Ir — Properties & Data | MatWorld

Sb2Ir

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental