Fe4 S4

semiconductor

· Fe4 S4

Fe₄S₄ is an iron sulfide compound classified as a semiconductor, belonging to the family of transition metal chalcogenides. This material is primarily of research and emerging application interest, studied for its potential in optoelectronic devices, catalysis, and energy storage systems where iron sulfides offer advantages in cost, abundance, and tunable electronic properties compared to precious-metal alternatives.

photocatalysisphotoelectrochemical cellsbattery electrodesthin-film semiconductorsheterogeneous catalysismaterials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	22,260.1	ksi	—
Shear Modulus(G)	10,867.2	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00420	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3850	eV/atom	—

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

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.

Fe4 S4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control