FeTeO2S

ceramic

· FeTeO2S

FeTeO2S is a mixed-metal oxide-sulfide ceramic compound containing iron, tellurium, oxygen, and sulfur. This is a research-stage material within the family of complex metal chalcogenides and oxychalcogenides, which are being investigated for potential optoelectronic, thermoelectric, and photovoltaic applications due to their tunable band gaps and mixed-valence chemistry. The compound is not widely used in established industrial production; it represents an exploratory composition where synergistic properties from iron redox activity and tellurium/sulfur bonding may enable novel functionality in energy conversion or light-active device contexts.

photovoltaic researchthermoelectric materials developmentoptoelectronic devicesexperimental semiconductorsenergy conversion materialsmaterials chemistry research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	-3.461	μB	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	1.040	eV/atom	—

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

Regulatory Screening

Environmental

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.

FeTeO2S

Electrical Properties

Other Properties

Regulatory Screening

Environmental