SrAl2S4 — Properties & Data | MatWorld

SrAl2S4

metal

· JVASP-22034· SrAl2S4

SrAl₂S₄ is an inorganic compound combining strontium, aluminum, and sulfur, belonging to the class of metal sulfides and thiometallic ceramics. This material is primarily investigated in research contexts for potential applications in optoelectronics and solid-state devices, where its crystalline structure and sulfide composition offer tunable electronic and photonic properties distinct from oxide-based alternatives. While not yet widely commercialized, compounds in this family are of interest to materials scientists exploring next-generation phosphors, semiconductor precursors, and solid electrolytes where sulfide-based chemistry can provide enhanced ion transport or unique optical performance.

research/experimental materialphosphor materialssemiconductor precursorsolid electrolytesoptoelectronic devicesthin-film deposition

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.736	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	3.707	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	5.085	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.9333	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.423	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00122	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000979	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-201.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	275.3	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)	-1.647	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

Environmental

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SrAl2S4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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