GaHfO3

ceramic

· GaHfO3

GaHfO3 is an experimental mixed-metal oxide ceramic combining gallium and hafnium oxides, belonging to the family of wide-bandgap semiconductors and high-k dielectrics. This material is primarily of research interest for next-generation microelectronic and optoelectronic applications, where its high dielectric constant and thermal stability make it a candidate for advanced gate dielectrics, integrated photonics, and high-temperature device layers. Its development reflects the semiconductor industry's ongoing search for alternatives to traditional SiO2 and conventional hafnia-based dielectrics to overcome scaling limitations in smaller device nodes.

advanced gate dielectrics (CMOS)wide-bandgap semiconductorshigh-k dielectric researchoptoelectronic deviceshigh-temperature electronicsintegrated photonics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)2 entries	0.04200	μB	—
↳	0.3056	μB	—

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
Formation Energy(ΔHf)2 entries	-2.349	eV/atom	—
↳	0.5600	eV/atom	—

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

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.

GaHfO3

Electrical Properties

Other Properties

Regulatory Screening

Environmental