Ca3BiAs — Properties & Data | MatWorld

Ca3BiAs

Name: Ca3BiAs
Brand: MatWorld

ceramic

· Ca3BiAs

Ca3BiAs is an intermetallic ceramic compound combining calcium, bismuth, and arsenic in a defined stoichiometric ratio. This is a research-phase material investigated for potential semiconductor and optoelectronic applications, particularly within the broader family of bismuth-based compounds known for their unique electronic and thermal transport properties. While not yet widely deployed in commercial products, materials in this composition family are of interest for specialized applications where bismuth's high atomic number and spin-orbit coupling effects can be leveraged.

Research semiconductorsTopological material candidatesOptoelectronic devices (exploratory)High-Z electronic materialsThermal management compounds (experimental)Bismuth-based intermetallics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	28.40	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3000	-	DFT · OptB88vdW
Shear Modulus(G)	19.26	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.444	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	0.06200	eV	DFT · OptB88vdW
↳	0.6090	eV	DFT · TBmBJ
↳	0.000	eV	Measured
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	29.01	-	DFT · OptB88vdW
↳	13.17	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000229	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00127	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-55.59	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	124.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	19.71	%	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.6650	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.3483	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.

Ca3BiAs

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental