Ga4SiO8 — Properties & Data | MatWorld

Ga4SiO8

ceramic

· JVASP-50019· Ga4SiO8

Ga4SiO8 is a gallium silicate ceramic compound that combines gallium oxide with silica in a defined stoichiometric ratio. This material belongs to the family of wide-bandgap semiconducting ceramics and is primarily of research and specialized industrial interest rather than a commodity engineering ceramic. Its applications leverage gallium's unique electronic and thermal properties in environments requiring high-temperature stability, radiation resistance, or specific optical/electrical functionality, making it relevant for advanced ceramics development rather than conventional load-bearing structural applications.

wide-bandgap semiconductorshigh-temperature ceramics researchradiation-resistant materialselectronic ceramics developmentoptical/photonic applicationsspecialty refractory compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1859	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.648	eV	DFT · OptB88vdW
↳	4.346	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.761	-	DFT · OptB88vdW
↳	2.886	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000601	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000581	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-88.47	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	355.3	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.06300	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.146	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.

Ga4SiO8

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental