MgC2 — Properties & Data | MatWorld

MgC2

Name: MgC2
Brand: MatWorld

ceramic

· MgC2

Magnesium carbide (MgC₂) is an ionic ceramic compound belonging to the carbide family, characterized by magnesium cations bonded to carbide anions. This material is primarily of research and development interest rather than established in widespread industrial production, with potential applications in refractory systems, specialty ceramics, and high-temperature environments where carbide hardness and chemical stability are valuable. MgC₂ represents an alternative within the carbide ceramics family, offering different thermal and mechanical characteristics compared to more common carbides like tungsten carbide or silicon carbide, though its limited commercial availability and thermal stability challenges compared to mature alternatives restrict its current engineering adoption.

refractory materials researchhigh-temperature ceramicsspecialty carbide compositesexperimental ceramic coatingsmetallurgical processing applicationsresearch-phase applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	85.31	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3500	-	DFT · OptB88vdW
Shear Modulus(G)	38.63	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.088	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)2 entries	2.750	eV	DFT · OptB88vdW
↳	3.395	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	18.41	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.590	-	DFT · OptB88vdW
↳	4.027	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.8667	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.9733	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	0.00112	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00232	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-138.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	351.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	1.740	%	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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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.2534	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	0.2513	eV/atom	DFT · OptB88vdW
↳	0.3035	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.

MgC2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental