Ta2Ni3S8 — Properties & Data | MatWorld

Ta2Ni3S8

metal

· JVASP-57278· Ta2Ni3S8

Ta2Ni3S8 is a ternary intermetallic sulfide compound combining tantalum, nickel, and sulfur elements. This material exists primarily as a research compound rather than a commercial alloy, studied for its potential in catalysis and energy storage applications where the combination of transition metals and sulfur can provide enhanced electrochemical activity. The material belongs to the family of metal sulfides that are of significant interest for hydrogen evolution reactions, battery electrodes, and other electrocatalytic processes where conventional metallic systems may be less effective.

electrocatalysis researchhydrogen evolution catalystsbattery electrode materialsmaterials chemistry researchtransition metal sulfidesemerging energy storage

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1978	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.5030	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	18.37	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	1.203	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.057	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00299	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000855	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-315.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	332	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)	-0.8175	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

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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.

Ta2Ni3S8

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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