MgAl2Se4 — Properties & Data | MatWorld

MgAl2Se4

metal

· JVASP-94865· MgAl2Se4

MgAl2Se4 is a ternary intermetallic compound combining magnesium, aluminum, and selenium elements, belonging to the family of metal selenides with potential layered crystal structures. This material is primarily of research and development interest rather than established industrial production, with investigation focused on semiconductor and optoelectronic applications where the selenium incorporation offers tunable electronic properties distinct from oxide or phosphide alternatives. Engineers would consider this compound for emerging applications in thermoelectric devices, photovoltaic absorbers, or other niche solid-state electronics where the specific combination of metallic bonding and chalcogenide chemistry provides advantages in bandgap engineering or charge carrier mobility.

thermoelectric materials (research)optoelectronic semiconductorsphotovoltaic absorberssolid-state electronics (experimental)layered material composites

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	5,652.1	ksi	DFT · OptB88vdW
Exfoliation Energy(Eexf)	35.42	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2800	-	DFT · OptB88vdW
Shear Modulus(G)	3,080.6	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1385	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	1.223	eV	DFT · OptB88vdW
↳	2.227	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	9.809	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.337	-	DFT · OptB88vdW
↳	4.971	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000575	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00125	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-67.98	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	347.7	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	18.11	%	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)	0.00150	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.048	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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MgAl2Se4

Mechanical Properties

Physical Properties

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