K3SbSe4 — Properties & Data | MatWorld

K3SbSe4

ceramic

· JVASP-10271· K3SbSe4

K3SbSe4 is a ternary chalcogenide ceramic compound belonging to the family of metal selenides, composed of potassium, antimony, and selenium elements. This material is primarily of research and developmental interest rather than established in high-volume industrial production, with potential applications in solid-state ionics, photovoltaic devices, and thermal management systems where its selenide chemistry offers tunable electronic and thermal properties. Engineers would consider K3SbSe4 for next-generation applications requiring specific band gap engineering or ionic conductivity, though material availability and processing methods remain active areas of scientific investigation.

solid-state electrolytesthermoelectric devicesresearch photovoltaicsionic conductorssemiconductor researchadvanced ceramics development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.626	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	1.224	eV	DFT · OptB88vdW
↳	2.305	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	8.575	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.136	-	DFT · OptB88vdW
↳	4.460	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.8500	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.773	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.2070	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000829	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00128	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-180.1	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	316.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	16.45	%	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)	-0.9236	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.

K3SbSe4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental