MnAl2S4 — Properties & Data | MatWorld

MnAl2S4

metal

· JVASP-28435· MnAl2S4

MnAl2S4 is a ternary metal sulfide compound combining manganese and aluminum in a sulfide matrix, belonging to the thiospinel or metal sulfide family of materials. This is primarily a research material studied for potential applications in energy storage, photocatalysis, and semiconductor devices rather than an established industrial workhorse. Its mixed-metal composition and sulfide bonding offer theoretical advantages in ion conductivity and light-absorption properties compared to single-element alternatives, making it of interest for emerging technologies where conventional oxides or single sulfides prove limiting.

Battery electrode materials (research)Photocatalytic applicationsSemiconductor researchEnergy storage systemsThin-film devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	8,606.5	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3700	-	DFT · OptB88vdW
Shear Modulus(G)	3,366.3	ksi	DFT · OptB88vdW

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Property	Value	Unit	Conditions	Source
Density(ρ)	0.1083	lb/in³	DFT · OptB88vdW

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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
Dielectric Constant (Relative Permittivity)(εr)	79.83	-	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.3881	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00156	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00155	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-30.96	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-26.90	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)	0.1386	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.8899	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

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MnAl2S4

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