Fe4 Te4 As4

semiconductor

· Fe4 Te4 As4

Fe₄Te₄As₄ is a ternary iron telluride-arsenide compound belonging to the family of iron-based chalcogenides and pnictides—materials of significant research interest in condensed matter physics and materials science. This is an experimental/research-phase compound rather than an established engineering material; the iron telluride-arsenide family is being investigated for potential superconducting and magnetic properties that could emerge from the interplay of multiple magnetic sublattices and electronic structures. While not yet deployed in commercial applications, materials in this compositional space represent a frontier for discovering new functional semiconductors with possible magnetotransport, thermoelectric, or quantum phenomena that could eventually enable next-generation electronics or sensing devices.

experimental semiconductor researchquantum materials developmentcondensed matter physics studiesmagnetic material characterizationsuperconductor candidate screening

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.04160	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2550	eV/atom	—

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

Regulatory Screening

Environmental

Export Control

Quality & Standards

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 Te4 As4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control

Quality & Standards