TaGaO4 — Properties & Data | MatWorld

TaGaO4

ceramic

· TaGaO4

TaGaO4 is a complex oxide ceramic composed of tantalum, gallium, and oxygen, belonging to the family of refractory mixed-metal oxides. This material is primarily of research and development interest rather than established commercial production, investigated for potential applications in high-temperature structural and functional ceramic systems where tantalum's refractory properties and gallium oxide's semiconductor or photonic characteristics might be combined. Engineers would consider this compound in specialized contexts requiring materials that operate at extreme temperatures or in applications demanding the unique electronic or optical properties that the tantalum-gallium oxide system might provide, though currently limited industrial deployment means detailed performance data and manufacturing maturity lag behind conventional alternatives.

high-temperature refractories (research)advanced ceramics developmentoptical or photonic materials (exploratory)aerospace thermal structures (experimental)semiconductor device fabrication (niche)materials science prototyping

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	200.2	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3200	-	DFT · OptB88vdW
Shear Modulus(G)	81.34	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	7.959	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	3.440	eV	DFT · OptB88vdW
↳	4.709	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	26.19	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.360	-	DFT · OptB88vdW
↳	4.077	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.2083	C/m²	DFT · OptB88vdW
↳	0.7803	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.000998	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00114	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-327.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	354.1	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.01100	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.598	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.

TaGaO4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental