Ca3Al2As4

Name: Ca3Al2As4
Brand: MatWorld

metal

· JVASP-12894· Ca3Al2As4

Ca3Al2As4 is an intermetallic compound combining calcium, aluminum, and arsenic in a fixed stoichiometric ratio. This material belongs to the family of rare-earth-free intermetallics and represents a research-phase compound with potential applications where specific combinations of lightweight metallic and semiconducting properties are sought. The compound's viability for engineering use remains largely in the exploratory stage, with applications primarily of interest in specialized semiconductor research, optoelectronic device development, and potential lightweight structural composites where arsenic-based intermetallics show promise.

semiconductor researchcompound semiconductor materialsoptoelectronic devicesintermetallic phase studiesmaterials science researchexperimental structural composites

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1274	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.106	eV	DFT · OptB88vdW
↳	1.466	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	11.22	-	DFT · OptB88vdW
↳	9.138	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.490	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.8500	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00163	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00121	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-283.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	214.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	32.78	%	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)	0.04200	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.9299	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

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Quality & Standards

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.

Ca3Al2As4 — Properties & Data | MatWorld

Ca3Al2As4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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Quality & Standards