NbCu3Se4

Name: NbCu3Se4
Brand: MatWorld

semiconductor

· NbCu3Se4

NbCu3Se4 is a ternary semiconductor compound combining niobium, copper, and selenium in a fixed stoichiometric ratio. This material belongs to the family of mixed-metal chalcogenides and is primarily of research interest rather than established industrial production; it is being investigated for potential applications in thermoelectric devices, photovoltaics, and advanced electronic materials due to the favorable electronic properties that emerge from its multi-element composition. The combination of transition metals (Nb, Cu) with a chalcogen (Se) creates a material system with tunable band structure and potential for efficient charge transport, making it relevant to engineers exploring next-generation energy conversion and semiconductor technologies.

thermoelectric devicesphotovoltaic researchsemiconductor electronicsenergy harvestingadvanced materials R&Dexperimental thin films

Compliance & Regulations

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

Units:

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	4,810.6	ksi	DFT
↳	5,380.9	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2400	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	3,244.4	ksi	DFT
↳	3,420	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.

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1957	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	2.450	eV	Measured
↳	1.344	eV	DFT · OptB88vdW
↳	1.374	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	7.897	-	DFT · OptB88vdW
↳	7.740	-	DFT · PBE
↳	8.138 range 8.012–8.264median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	9.173	-	DFT · OptB88vdW
↳	8.272	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.8800	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.070	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.1188	C/m²	DFT · OptB88vdW
↳	0.01909	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00197	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00206	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-275.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	282.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.89	%	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4946	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

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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.

NbCu3Se4 — Properties & Data | MatWorld

NbCu3Se4

Mechanical Properties

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