KGaAs2O7

ceramic

· JVASP-24924· KGaAs2O7

KGaAs2O7 is a mixed-metal oxide ceramic compound belonging to the family of potassium gallium arsenate materials, which are primarily of research and specialized optical interest rather than commodity ceramics. This material is investigated for potential applications in optoelectronic and photonic devices due to the optical properties characteristic of gallium arsenate-based systems, though it remains largely experimental. Engineers would consider this compound for niche high-performance optical or sensing applications where its specific refractive and nonlinear optical properties offer advantages over conventional glasses or other crystals.

optical coatingsphotonic crystalsnonlinear optics researchwide-bandgap semiconductorsspecialized sensorsadvanced materials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1430	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.919	eV	DFT · OptB88vdW
↳	4.621	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.473	-	DFT · OptB88vdW
↳	2.614	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000699	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000238	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-111.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	360.3	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.585	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.

KGaAs2O7 — Properties & Data | MatWorld

KGaAs2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental