Na2ZnS2 — Properties & Data | MatWorld

Na2ZnS2

ceramic

· Na2ZnS2

Na₂ZnS₂ is an inorganic ceramic compound composed of sodium, zinc, and sulfur, belonging to the class of sulfide ceramics with potential ionic-covalent bonding character. This material is primarily of research and developmental interest rather than established in high-volume industrial production; it is investigated for applications requiring sulfide-based ceramics with moderate stiffness and specific electrochemical or optical properties. Engineers would consider this compound in emerging applications such as solid-state electrolytes, photovoltaic systems, or specialized optical components where its sulfide chemistry offers advantages over oxide alternatives, though material availability and processing methods remain active areas of investigation.

solid-state electrolytesexperimental semiconductorssulfide ceramics researchphotovoltaic materialsoptical coating systemselectrochemical devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	35.28	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	15.13	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.766	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.378	eV	DFT · OptB88vdW
↳	4.279	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	8.085 range 4.432–11.74median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.888	-	DFT · OptB88vdW
↳	3.391	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.2767	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.273	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000500	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000937	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-76.48	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	336.4	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)	0.00700	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.091	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.

Na2ZnS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental