Ca3AlSb3 — Properties & Data | MatWorld

Ca3AlSb3

metal

· Ca3AlSb3

Ca3AlSb3 is an intermetallic compound belonging to the Heusler or full-Heusler alloy family, combining calcium, aluminum, and antimony in a defined stoichiometric ratio. This material is primarily of research and developmental interest rather than an established industrial commodity; it is investigated for potential thermoelectric applications and semiconductor device engineering due to its electronic band structure and thermal transport properties. The compound's potential relevance lies in specialized applications requiring controlled thermal and electrical behavior, particularly in emerging technologies where tuned intermetallic phases can replace conventional semiconductors or improve device efficiency compared to conventional alternatives.

thermoelectric devicessemiconductor researchintermetallic compoundsthermal management engineeringmaterials developmentelectronic device substrates

Compliance & Regulations

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

Units:

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	37.89	GPa	—
Shear Modulus(G)	22.86	GPa	—

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

Property	Value	Unit	Conditions	Source
Thermal Conductivity(k)2 entries	0.6920	W/(m·K)	—
↳	0.6920	W/(m·K)	727°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
Density(ρ)	4.113	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.3440	eV	—
Electrical Conductivity(σ)	8.873	S/cm	727°C
Electrical Resistivity(ρe)	0.00113	Ω·m	727°C
Magnetic Moment(μB)	0.000	µB	—
Thermoelectric Power Factor(PF)	0.0000625	W/(m·K²)	727°C
Seebeck Coefficient(S)	265.4	μV/K	727°C
Thermoelectric Figure of Merit(zT)	0.09032	-	727°C

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-0.9458	eV/atom	—

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

Regulatory Screening

Environmental

Export Control

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.