CaP2Ir2 — Properties & Data | MatWorld

CaP2Ir2

ceramic

· JVASP-10776· CaP2Ir2

CaP2Ir2 is an intermetallic ceramic compound combining calcium, phosphorus, and iridium—a rare material that sits at the intersection of phosphide chemistry and precious metal metallurgy. This compound remains primarily in the research domain, where it is investigated for high-temperature structural applications and potentially as a catalyst or wear-resistant coating material, leveraging iridium's exceptional hardness and chemical inertness alongside calcium phosphide's unique bonding characteristics. Its density and thermal stability make it a candidate for extreme-environment engineering, though industrial adoption is limited and material behavior is not yet fully characterized.

High-temperature ceramics (research)Catalyst substratesWear-resistant coatingsRefractory applicationsMaterials research compoundsExtreme-environment testing

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	8.824	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.4560	eV	DFT · OptB88vdW
↳	0.5090	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	36.07	-	DFT · OptB88vdW
↳	31.40	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.08000	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.08667	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00257	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00162	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-334.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	319.7	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	15.72	%	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)	-0.8872	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.

CaP2Ir2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental