Ba4Fe2S4I5

Name: Ba4Fe2S4I5
Brand: MatWorld

metal

· JVASP-34479· Ba4Fe2S4I5

Ba4Fe2S4I5 is an experimental mixed-halide sulfide compound combining barium, iron, sulfur, and iodine—a material class of interest in solid-state chemistry and materials research rather than established industrial production. This compound belongs to the family of chalcogenide-halide hybrids, which researchers are investigating for potential applications in optoelectronics, photovoltaics, and solid-state ionics due to their tunable electronic and ionic properties. The material remains primarily in the research phase; its practical advantages over conventional alternatives would depend on its specific optical bandgap, electronic conductivity, and thermal stability relative to established semiconductors or solid electrolytes.

research and developmentexperimental semiconductorsoptoelectronic materialssolid-state chemistryphotovoltaic researchchalcogenide materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1781	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.00100	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	8.904	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.00667	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.00667	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.9570	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000590	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000202	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	42.28	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	150.5	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)	-1.592	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.

Ba4Fe2S4I5 — Properties & Data | MatWorld

Ba4Fe2S4I5

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control