Ga2FeS4

metal

· Ga2FeS4

Ga₂FeS₄ is a ternary chalcogenide compound combining gallium, iron, and sulfur, belonging to the family of semiconducting metal sulfides. This material is primarily of research interest for optoelectronic and photovoltaic applications, where its layered crystal structure and direct bandgap characteristics make it a candidate for thin-film solar cells, photodetectors, and light-emitting devices. The weak interlayer bonding typical of this material class enables mechanical exfoliation into few-layer or single-layer forms, positioning it within the broader context of two-dimensional materials research for next-generation electronics and photonics.

thin-film photovoltaicsphotodetectorstwo-dimensional semiconductorsoptoelectronic researchlayered material exfoliationemerging semiconductor devices

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	2,826.7	ksi	DFT
↳	6,326.5	ksi	DFT · OptB88vdW
Exfoliation Energy(Eexf)	33.88	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	1,737.8	ksi	DFT
↳	3,990	ksi	DFT · OptB88vdW

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
Density(ρ)	0.1374	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.04100	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	69.49	-	DFT · TBmBJ
Magnetic Moment(μB)	3.831	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000491	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000666	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	28.89	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	36.14	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	5.840	%	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)	0.1031	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5846	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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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.

Ga2FeS4 — Properties & Data | MatWorld

Ga2FeS4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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