Gallium Oxide (Ga2O3)

Verifiedsemiconductor
· Ga2O3· Gallium Oxide· Beta-Ga2O3

Gallium oxide (Ga₂O₃) is a wide-bandgap semiconductor ceramic with a monoclinic crystal structure, positioned between silicon and gallium nitride in terms of performance capabilities. It is primarily developed for next-generation power electronics and high-frequency RF applications where superior breakdown voltage and thermal stability are critical, though it remains largely in research and early commercialization phases compared to mature semiconductors. Engineers consider Ga₂O₃ for applications demanding extreme operating conditions—high voltage switching, high-temperature circuits, and radiation-tolerant systems—where its wider bandgap offers fundamental advantages over conventional semiconductors, though manufacturing maturity and thermal management strategies remain active development areas.

power semiconductor deviceshigh-voltage switchingRF/microwave transistorshigh-temperature electronicsradiation-hard circuitsnext-generation power conversion

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
Property OverviewNormalized to typical max values
PropertyValueUnitConditionsSource
Young's Modulus(E)
261.0
GPa—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Melting Point / Solidus(Tm)
2,080
K—
Thermal Conductivity(k)
13.00
W/(m·K)—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
5.950
kg/m³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
4.800
eV—
Dielectric Constant (Relative Permittivity)(εr)
10.00
-—
Verified Unverified Low confidence (<80%) Link to source

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.