SrGaGeH

ceramic

· SrGaGeH

SrGaGeH is a ternary hydride ceramic compound combining strontium, gallium, and germanium with hydrogen—a material class rarely encountered in conventional engineering practice. This compound represents experimental research into mixed-metal hydride ceramics, which are being investigated for potential applications in hydrogen storage, solid-state ion conductivity, and advanced ceramic matrices where lightweight, thermally stable compounds are needed. Engineers would consider this material primarily in R&D contexts focused on next-generation energy storage systems or solid-state devices, rather than established industrial applications.

hydrogen storage researchsolid-state electrolytesexperimental ceramicsenergy storage systemsadvanced composite matrices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	7,439	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.1800	-	DFT · OptB88vdW
Shear Modulus(G)	6,032.1	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1783	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.4420	eV	DFT · OptB88vdW
↳	0.9690	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	31.68	-	DFT · OptB88vdW
↳	25.93 range 23.08–28.78median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	23.41	-	DFT · OptB88vdW
↳	12.94	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.1733	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.4700	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.5817	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00403	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00199	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-165.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	179.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	31.67	%	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5435	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

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.

SrGaGeH — Properties & Data | MatWorld

SrGaGeH

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental