NbCu3Te4 — Properties & Data | MatWorld

NbCu3Te4

metal

· NbCu3Te4

NbCu3Te4 is an intermetallic compound combining niobium, copper, and tellurium—a ternary system that remains largely in the research phase rather than established commercial production. This material family is of interest to materials scientists studying novel metallic compounds with potential thermoelectric, electronic, or structural applications, though industrial adoption and validated use cases are currently limited. Engineers encountering this compound should recognize it as an experimental material requiring characterization for specific applications rather than a proven engineering workhorse.

thermoelectric device researchintermetallic compound developmentelectronic materials explorationcondensed matter physicsmaterials discovery projectshigh-entropy alloy precursors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	4,848.6	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2400	-	DFT · OptB88vdW
Shear Modulus(G)	3,100.9	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2231	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)2 entries	1.120	eV	DFT · OptB88vdW
↳	1.132	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	10.69	-	DFT · OptB88vdW
↳	11.10 range 10.89–11.31median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	11.83	-	DFT · OptB88vdW
↳	10.86	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.8000	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.4800	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1853	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00176	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00202	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-260.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	238.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.81	%	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)	-0.2669	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

Export Control

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.

NbCu3Te4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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