K2NaGaAs2 — Properties & Data | MatWorld

K2NaGaAs2

ceramic

· JVASP-10544· K2NaGaAs2

K2NaGaAs2 is a ternary ceramic compound containing potassium, sodium, gallium, and arsenic elements, belonging to the family of mixed-metal arsenides. This material is primarily of research interest rather than established industrial production, with potential applications in semiconductor and photonic device development where compound semiconductors with specific band gap and crystal structure properties are required. The material's utility would depend on its electrical conductivity, optical transparency, and thermal stability characteristics relative to conventional III-V semiconductors like GaAs or alternative chalcogenides.

experimental semiconductorsoptoelectronic researchcrystal growth studiescompound semiconductor developmentphotonic device materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.236	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.9460	eV	DFT · OptB88vdW
↳	2.122	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	9.101	-	DFT · OptB88vdW
↳	5.795	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00259	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000678	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-307.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	356.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	20.37	%	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5724	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.

K2NaGaAs2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental