KGaS2

ceramic

· JVASP-22944· KGaS2

KGaS₂ is a potassium gallium sulfide ceramic compound belonging to the sulfide ceramic family. This material is primarily of research and developmental interest rather than established in high-volume industrial production, with potential applications in optoelectronics, photonics, and solid-state physics where its band gap and crystal structure properties may enable light emission, detection, or nonlinear optical functionality. Engineers considering KGaS₂ would typically be working in advanced materials development or specialty photonic device design where sulfide semiconductors offer advantages in infrared response or wide-bandgap applications.

Research optoelectronicsPhotonic device materialsInfrared detectorsNonlinear optical materialsSemiconductor research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1040	lb/in³	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	2.642	eV	DFT · OptB88vdW
↳	4.574	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.999	-	DFT · OptB88vdW
↳	3.837	-	DFT · TBmBJ
Thermoelectric Power Factor(PF)2 entries	0.000574	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00115	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-83.79	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	377.6	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)	-1.161	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.

KGaS2 — Properties & Data | MatWorld

KGaS2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental