SbIrS

ceramic

· SbIrS

SbIrS is an intermetallic ceramic compound combining antimony, iridium, and sulfur, representing a specialized material in the ternary sulfide family. This is primarily a research-phase material studied for its potential in high-temperature structural applications and advanced ceramics, where the combination of a refractory metal (iridium) with chalcogenide chemistry offers unique thermochemical stability. Engineers would consider SbIrS in extreme-environment contexts where conventional ceramics or alloys are inadequate, though industrial adoption remains limited and material characterization continues in academic and specialized materials research settings.

high-temperature ceramicsrefractory applicationsresearch materialsadvanced ceramicsthermochemical stability

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	20,461.7	ksi	DFT
↳	20,612.8	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	12,466.4	ksi	DFT
↳	12,883.7	ksi	DFT · OptB88vdW

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
Density(ρ)	0.3620	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.414	eV	DFT · OptB88vdW
↳	1.619	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	21.82	-	DFT · OptB88vdW
↳	19.37 range 16.74–22.00median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	16.88	-	DFT · OptB88vdW
↳	15.35	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.5900	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.9700	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.1193	C/m²	DFT · OptB88vdW
↳	0.00680	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00130	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00175	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-224.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	288.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	30.42	%	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)	0.00570	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5073	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.

SbIrS — Properties & Data | MatWorld

SbIrS

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental