TaCu3S4 — Properties & Data | MatWorld

TaCu3S4

Name: TaCu3S4
Brand: MatWorld

semiconductor

· TaCu3S4

TaCu₃S₄ is a ternary tantalum-copper sulfide compound that functions as a semiconductor material. This material belongs to the family of transition metal chalcogenides and remains primarily in the research and development phase, where it is being investigated for its electronic and photonic properties. Interest in this compound stems from its potential to combine the properties of tantalum and copper sulfides for applications requiring semiconducting behavior in demanding or niche environments.

photovoltaic researchthermoelectric devicessolid-state electronicscatalytic applicationsemerging semiconductor researchthin-film deposition studies

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Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	5,524.6	ksi	DFT
↳	6,120.6	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	3,555	ksi	DFT
↳	3,924.7	ksi	DFT · OptB88vdW

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
Density(ρ)	0.1802	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	3.000	eV	Measured
↳	2.057	eV	DFT · OptB88vdW
↳	2.126	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	6.520	-	DFT · OptB88vdW
↳	6.380	-	DFT · PBE
↳	6.665 range 6.540–6.790median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.525	-	DFT · OptB88vdW
↳	7.300	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	1.220	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.7000	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.08228	C/m²	DFT · OptB88vdW
↳	0.02423	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00210	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00197	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-316.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	281.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	20.29	%	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)	-0.6556	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

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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.

TaCu3S4

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