K4Sn3Se8 — Properties & Data | MatWorld

K4Sn3Se8

ceramic

· JVASP-21524· K4Sn3Se8

K4Sn3Se8 is a quaternary ceramic compound combining potassium, tin, and selenium—a mixed-metal chalcogenide with potential semiconductor or solid-state material properties. This is a research-phase compound rather than an established engineering material; the tin-selenium family has attracted interest for thermoelectric applications, optical coatings, and solid-state electronics due to the semiconducting behavior of tin chalcogenides and the role of potassium as a dopant or structural modifier. Engineers would consider this material class for niche applications in next-generation thermoelectric energy conversion, infrared optics, or advanced ceramics where tunable electronic properties and chemical stability in specific environments offer advantages over traditional semiconductors or oxides.

thermoelectric devicessolid-state electronics researchinfrared opticsadvanced ceramic compositesexperimental semiconductor applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	20.07	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2700	-	DFT · OptB88vdW
Shear Modulus(G)	10.90	GPa	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Density(ρ)	4.022	kg/m³	DFT · OptB88vdW

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Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	1.377	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	7.200	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000794	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000992	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-203.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	395.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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)	-0.8341	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.

K4Sn3Se8

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental