AlGa3N4 — Properties & Data | MatWorld

AlGa3N4

Name: AlGa3N4
Brand: MatWorld

metal

· JVASP-35109· AlGa3N4

AlGa₃N₄ is an advanced ceramic nitride compound combining aluminum and gallium nitrides, belonging to the family of III-V nitride semiconductors and ceramic materials. This material is primarily of research and developmental interest for high-temperature, high-power electronic and optoelectronic applications where extreme thermal stability and wide bandgap properties are advantageous. Engineers consider it for next-generation power devices, high-frequency transistors, and UV optoelectronics where conventional semiconductors reach performance limits, though commercial availability remains limited compared to established nitride alternatives like GaN and AlN.

wide-bandgap semiconductor deviceshigh-temperature power electronicsUV light-emitting applicationshigh-frequency RF transistorsadvanced materials researchthermal management substrates

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	184.0	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)	118.7	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	5.302	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.420	eV	DFT · OptB88vdW
↳	3.579	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	9.960	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.508	-	DFT · OptB88vdW
↳	4.246	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.2300	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.070	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.9321	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000441	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00339	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-68.01	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	371	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.9700	%	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)	0.00950	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.8325	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

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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.

AlGa3N4

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