K3GaS3

ceramic

· JVASP-12839· K3GaS3

K3GaS3 is a ternary ceramic compound composed of potassium, gallium, and sulfur, belonging to the family of metal chalcogenides. This material is primarily of research interest rather than established commercial production, with potential applications in optoelectronic and semiconductor device development due to its sulfide-based composition and wide bandgap characteristics typical of III-VI compounds. Engineers evaluating this material should note it represents an exploratory alternative within the chalcogenide ceramic space, where similar compounds are investigated for photovoltaic, radiation detection, and infrared optical applications.

research semiconductorschalcogenide opticsexperimental photovoltaicswide-bandgap devicesmaterials screening

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.08840	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.891	eV	DFT · OptB88vdW
↳	4.576	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.278	-	DFT · OptB88vdW
↳	3.260	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000583	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000218	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-102	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	373.6	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)	-1.256	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.

K3GaS3 — Properties & Data | MatWorld

K3GaS3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental