CaAlSiH — Properties & Data | MatWorld

CaAlSiH

Name: CaAlSiH
Brand: MatWorld

metal

· CaAlSiH

CaAlSiH is an experimental intermetallic hydride compound combining calcium, aluminum, silicon, and hydrogen—a member of the complex metal hydride family under active research for energy storage and hydrogen-related applications. While not yet commercialized in mainstream engineering, this material type is investigated primarily in academic and laboratory settings for potential use in hydrogen storage systems and advanced lightweight structural applications where hydrogen incorporation offers unique property combinations.

hydrogen storage researchexperimental energy materialslightweight structural compositesmetal hydride systemsadvanced battery/fuel cell materialslaboratory/prototype development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	61.31	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2100	-	DFT · OptB88vdW
Shear Modulus(G)	42.51	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.273	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)2 entries	0.5460	eV	DFT · OptB88vdW
↳	0.7990	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	23.49	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	14.71	-	DFT · OptB88vdW
↳	12.66	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.6467	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.3533	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.2021	C/m²	DFT · OptB88vdW
↳	1.045	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00413	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000900	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-240.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	129.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	26.32	%	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)	0.00830	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4837	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

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.

CaAlSiH

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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