CaCo2S4

Name: CaCo2S4
Brand: MatWorld

metal

· JVASP-10809· CaCo2S4

CaCo₂S₄ is a calcium-cobalt sulfide compound that belongs to the thiospinel or related sulfide ceramic family. This material combines metallic and ceramic characteristics, exhibiting relatively high stiffness and density, making it of interest in specialized high-performance applications. While not widely established in mainstream engineering, compounds in this chemical family are being explored for applications requiring corrosion resistance, thermal stability, and hardness in chemically aggressive environments.

sulfide ceramics researchcorrosion-resistant coatingshigh-temperature chemical environmentsmaterials science experimentationpotential catalytic applicationswear-resistant phases

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	13,150.6	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4200	-	DFT · OptB88vdW
Shear Modulus(G)	3,182.1	ksi	DFT · OptB88vdW

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Property	Value	Unit	Conditions	Source
Density(ρ)	0.1326	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.7830	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	15.97	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.7300	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.810	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00296	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00115	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-314.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	450	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.2632	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.7830	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

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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.

CaCo2S4 — Properties & Data | MatWorld

CaCo2S4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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