SrAlSiH — Properties & Data | MatWorld

SrAlSiH

metal

· SrAlSiH

SrAlSiH is an intermetallic hydride compound containing strontium, aluminum, silicon, and hydrogen—a research-phase material belonging to the metal hydride family. This composition is not yet widely commercialized and remains primarily of interest in hydrogen storage research and materials science exploration, where the incorporation of alkaline-earth metals (strontium) into aluminum-silicon frameworks shows potential for reversible hydrogen absorption. Engineers would consider this material in experimental contexts focusing on lightweight hydrogen storage systems, though its practical deployment awaits further development regarding thermodynamic stability, cycle life, and cost-effective synthesis.

Hydrogen storage systemsLightweight energy materials (research)Metal hydride compositesAdvanced battery/fuel cell developmentMaterials research applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	8,345.5	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.1900	-	DFT · OptB88vdW
Shear Modulus(G)	6,455.6	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1119	lb/in³	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	0.7100	eV	DFT · OptB88vdW
↳	1.032	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	19.40	-	DFT · OptB88vdW
↳	17.20 range 14.42–19.98median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	13.60	-	DFT · OptB88vdW
↳	11.39	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.2089	C/m²	DFT · OptB88vdW
↳	0.6683	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00404	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00147	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-236.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	192.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	32.11	%	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5327	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.

SrAlSiH

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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