Mg3P2 — Properties & Data | MatWorld

Mg3P2

Name: Mg3P2
Brand: MatWorld

semiconductor

· Mg3P2

Magnesium phosphide (Mg3P2) is an inorganic compound semiconductor belonging to the III-V family, characterized by its ionic bonding between magnesium cations and phosphide anions. While primarily of research interest rather than established in high-volume commercial production, Mg3P2 is investigated for potential applications in optoelectronics, thermoelectric devices, and solid-state physics due to its semiconducting properties and thermal stability. Its relatively low density and moderate mechanical stiffness make it a candidate material for exploratory work in wide-bandgap semiconductor applications, though practical engineering adoption remains limited compared to more mature III-V compounds like GaAs or GaN.

Research optoelectronicsThermoelectric devicesWide-bandgap semiconductorsExperimental photovoltaicsSolid-state physics studiesHigh-temperature semiconductor applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	58.43	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2200	-	DFT · OptB88vdW
Shear Modulus(G)	39.98	GPa	DFT · OptB88vdW

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Property	Value	Unit	Conditions	Source
Density(ρ)	2.046	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.690	eV	DFT · OptB88vdW
↳	1.400	eV	Measured
Electron Effective Mass(m*e)	0.3300	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.690	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00148	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00152	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-148.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	332.7	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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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.7870	eV/atom	DFT · OptB88vdW

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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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Mg3P2

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