GaO — Properties & Data | MatWorld

GaO

ceramic

· JVASP-136677· GaO

Gallium oxide (Ga₂O₃) is an emerging wide-bandgap ceramic semiconductor material that belongs to the family of transparent conducting oxides and high-power electronic materials. Currently in advanced research and early commercialization phases, it is being developed as a next-generation alternative to silicon carbide and gallium nitride for high-temperature, high-voltage power electronics and RF applications. Engineers consider Ga₂O₃ for applications demanding superior voltage breakdown capability and thermal stability beyond conventional semiconductors, though material processing and device integration remain active areas of development.

power semiconductor deviceshigh-voltage switching electronicsRF and microwave circuitssolar-blind UV detectorshigh-temperature electronicsnext-generation research applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	69.32	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4000	-	DFT · OptB88vdW
Shear Modulus(G)	11.53	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.412	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Unit	Conditions
Band Gap(Eg)2 entries	eV	DFT · OptB88vdW
↳	eV	DFT · TBmBJ
Magnetic Moment(μB)	µB	DFT · OptB88vdW

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)	0.6276	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.040	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.

GaO

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental