K1 Fe2 As2

semiconductor

· K1 Fe2 As2

K₁Fe₂As₂ is an iron-based pnictide semiconductor compound belonging to the 122-structure family of layered iron arsenides, chemically related to high-temperature superconductors but functioning as a semiconductor at ambient conditions. This material is primarily of research interest for studying electronic structure, magnetism, and potential thermoelectric behavior in iron-based systems; it is not currently used in established industrial applications. Engineers evaluating this compound would do so in academic or exploratory R&D contexts investigating novel semiconductors, quantum materials, or next-generation thermoelectric candidates, rather than as a drop-in replacement for conventional semiconductors.

experimental semiconductor researchiron-based pnictide systemsthermoelectric device explorationcondensed matter physicshigh-pressure electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.03020	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3460	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.

K1 Fe2 As2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control