MgB2 — Properties & Data | MatWorld

MgB2

Name: MgB2
Brand: MatWorld

ceramic

· MgB2

MgB₂ is an intermetallic ceramic compound combining magnesium and boron, notable for being a superconductor with a relatively high critical temperature (~39 K) that can be achieved using conventional cooling methods. While primarily a research and specialized material rather than a commodity engineering ceramic, MgB₂ is being explored for applications requiring superconducting performance at temperatures accessible without liquid helium, and its ceramic nature makes it mechanically stable compared to polymeric superconductors. Engineers consider MgB₂ when designing high-field magnets, fault current limiters, and cryogenic systems where the cost and complexity of liquid helium cooling is prohibitive, though material processing, wire fabrication, and long-term stability remain active development areas.

superconducting magnetshigh-field MRI systemscryogenic applicationsfault current limitersresearch and developmentmagnet wire and coils

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	21,537.9	ksi	DFT
↳	22,541.8	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.1800	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	17,064.3	ksi	DFT
↳	19,419.1	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)	0.09581	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	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000409	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000396	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	6.233	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	6.107	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.

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

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.1941	eV/atom	DFT · OptB88vdW
↳	-0.3177	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

Regulatory Screening

Environmental

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.

MgB2

Mechanical Properties

Physical Properties

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Other Properties

Regulatory Screening

Environmental