Na3Sb — Properties & Data | MatWorld

Na3Sb

Name: Na3Sb
Brand: MatWorld

semiconductor

· Na3Sb

Na3Sb is an intermetallic compound composed of sodium and antimony, belonging to the semiconductor class of materials with potential applications in energy storage and thermoelectric device research. This material is primarily of interest in laboratory and emerging technology contexts rather than established industrial production, where it is being investigated for its electronic properties in sodium-ion battery anode materials and solid-state energy conversion systems. Engineers would consider Na3Sb in next-generation battery development or thermoelectric applications where its sodium-based chemistry and semiconducting behavior offer advantages over conventional alternatives, particularly in cost-sensitive or sodium-abundant supply chain scenarios.

sodium-ion battery anodesthermoelectric devicessolid-state energy storageresearch semiconductorsemerging battery technologiesintermetallic compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	16.70	GPa	DFT · OptB88vdW
Shear Modulus(G)	4.780	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.705	kg/m³	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	1.100	eV	Measured
↳	0.5100	eV	DFT · OptB88vdW
↳	1.395	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	17.62	-	DFT · OptB88vdW
↳	17.54	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)	6.094	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.1167	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.903	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000235	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	-42.03	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	326.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.75	%	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)	-0.4985	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.

Na3Sb

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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