KLiZnS2 — Properties & Data | MatWorld

KLiZnS2

ceramic

· KLiZnS2

KLiZnS₂ is a ternary sulfide ceramic compound combining potassium, lithium, and zinc—a composition that positions it within the family of mixed-metal sulfides and chalcogenides. This is primarily a research material rather than an established industrial ceramic; compounds of this type are explored for solid-state ionic conductivity and optoelectronic properties, making them candidates for next-generation energy storage and photonic applications where conventional oxides or polymers fall short.

solid-state electrolytes (research phase)battery separator materialsphotonic/IR optics (exploratory)thermal barrier coatings (conceptual)high-temperature ceramic composites

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	34.63	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2700	-	DFT · OptB88vdW
Shear Modulus(G)	21.12	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.850	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	2.592	eV	DFT · OptB88vdW
↳	3.936	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	10.80	-	DFT · OptB88vdW
↳	7.634 range 4.608–10.66median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.992	-	DFT · OptB88vdW
↳	4.655	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.3033	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.317	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.2025	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000534	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00240	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-83.17	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	405.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.06000	%	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)	-1.259	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.

KLiZnS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental