CaGaGeH — Properties & Data | MatWorld

CaGaGeH

ceramic

· JVASP-35741· CaGaGeH

CaGaGeH is an experimental ceramic compound containing calcium, gallium, germanium, and hydrogen—a quaternary hydride ceramic that sits at the intersection of semiconducting oxides and advanced ceramic chemistry. While not yet commercialized, materials in this composition family are of research interest for optoelectronic and thermal management applications where conventional ceramics or semiconductors face limitations. The inclusion of gallium and germanium suggests potential relevance to wide-bandgap semiconductor substrates or photonic devices, though the material remains primarily in the materials discovery phase rather than established industrial use.

research ceramicswide-bandgap semiconductorsthermal management substratesoptoelectronic deviceshigh-temperature insulatorsexperimental photonic materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	56.03	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2000	-	DFT · OptB88vdW
Shear Modulus(G)	41.76	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.310	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.5680	eV	DFT · OptB88vdW
↳	0.8350	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	28.39	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	19.09	-	DFT · OptB88vdW
↳	13.65	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.4467	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.4133	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.6101	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00596	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00192	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-261.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	162.9	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	27.03	%	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)	-0.4882	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.

CaGaGeH

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental