BeAlH5

Name: BeAlH5
Brand: MatWorld

metal

· BeAlH5

BeAlH5 is an experimental metal hydride compound combining beryllium and aluminum with hydrogen, representing an emerging class of lightweight metallic materials under research investigation. This compound belongs to the family of complex metal hydrides being explored for energy storage and structural applications where low density combined with stiffness is advantageous. BeAlH5 remains primarily in the research phase; potential applications focus on hydrogen storage systems, advanced aerospace structures, and high-performance lightweight components where conventional metals cannot meet combined density and strength requirements.

hydrogen storage researchlightweight aerospace componentsadvanced structural materials developmentenergy storage systemsexperimental alloy systemshigh-stiffness-to-weight applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	4,652.8	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.1400	-	DFT · OptB88vdW
Shear Modulus(G)	4,596.2	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.03913	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	3.868	eV	DFT · OptB88vdW
↳	5.324	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	8.036	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.613	-	DFT · OptB88vdW
↳	2.788	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.277	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.877	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.1006	C/m²	DFT · OptB88vdW
↳	0.03488	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00159	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00169	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-182.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	289	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	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)	0.01730	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.1059	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.

BeAlH5 — Properties & Data | MatWorld

BeAlH5

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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