Nb3Sn — Properties & Data | MatWorld

Nb3Sn

Name: Nb3Sn
Brand: MatWorld

metal

· Nb3Sn

Nb3Sn is an intermetallic compound and A15-type superconductor that exhibits zero electrical resistance below its critical temperature, making it one of the most practically important superconducting materials in use today. It is widely deployed in high-field magnet systems for medical MRI scanners, particle accelerators (including the Large Hadron Collider), and experimental fusion reactors, where its ability to carry large currents without energy loss in strong magnetic fields is essential. Engineers choose Nb3Sn over alternative superconductors for applications requiring the highest magnetic fields and longest operational lifespans, though it requires cooling to cryogenic temperatures and is brittle, necessitating careful design of composite conductors with copper stabilization.

MRI magnetsparticle accelerator dipolesfusion reactor coilshigh-field superconducting magnetsresearch electromagnetscryogenic applications

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	164.2	GPa	DFT
↳	165.9	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4100	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	27.45	GPa	DFT
↳	37.96	GPa	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)	8.707	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00665	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00656	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	54.36	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	53.75	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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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.1435	eV/atom	DFT · OptB88vdW
↳	-0.1575	eV/atom	Measured

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

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.

Nb3Sn

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