Al2FeS4 — Properties & Data | MatWorld

Al2FeS4

Name: Al2FeS4
Brand: MatWorld

metal

· JVASP-94886· Al2FeS4

Al2FeS4 is an aluminum iron sulfide compound that belongs to the family of metal chalcogenides, representing a mixed-metal sulfide system. While not a widely commercialized engineering material in traditional applications, this compound is of research interest in materials science due to its potential as a layered or van der Waals material, with relevance to energy storage and electronic applications. The material's properties position it as an experimental candidate for emerging technologies rather than established industrial use.

research and developmentbattery electrode materialsthermoelectric applicationssemiconductor researchcatalytic systems2D materials exploration

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	54.11	GPa	DFT · OptB88vdW
Exfoliation Energy(Eexf)	71.67	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2700	-	DFT · OptB88vdW
Shear Modulus(G)	32.49	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.011	kg/m³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions
Band Gap(Eg)	0.5940	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	70.77	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	12.92	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.4114	C/m²	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.1159	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.9305	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

Export Control

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.

Al2FeS4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control