SrAlGeH — Properties & Data | MatWorld

SrAlGeH

metal

· SrAlGeH

SrAlGeH is an intermetallic hydride compound containing strontium, aluminum, germanium, and hydrogen elements. This is an experimental research material rather than an established commercial alloy; it belongs to the family of metal hydrides and intermetallics being investigated for hydrogen storage, energy applications, and advanced functional materials. The material's potential relevance lies in emerging technologies where hydrogen density, thermal properties, and structural stability under specific conditions are critical—areas where conventional alloys and ceramics may fall short.

hydrogen storage systemsadvanced intermetallics researchhigh-performance functional materialsenergy conversion applicationsexperimental aerospace materialsmaterials chemistry development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	54.11	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.1800	-	DFT · OptB88vdW
Shear Modulus(G)	43.35	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.997	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	0.8850	eV	DFT · OptB88vdW
↳	1.245	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	20.77	-	DFT · OptB88vdW
↳	17.48 range 14.61–20.34median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	14.16	-	DFT · OptB88vdW
↳	11.50	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.6400	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.6933	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.2281	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00435	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00239	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-221.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	224.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.38	%	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)	-0.6087	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.

SrAlGeH

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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