Nb4 Fe4 Te8

semiconductor

· Nb4 Fe4 Te8

Nb₄Fe₄Te₈ is a ternary intermetallic semiconductor compound combining niobium, iron, and tellurium in a layered or cluster structure. This material is primarily of research interest rather than established commercial production, explored for its potential in thermoelectric applications and as a representative compound in the broader family of transition-metal tellurides. The combination of heavy elements and mixed metal chemistry makes it a candidate for studying thermal-to-electrical energy conversion, though practical engineering adoption remains limited pending performance validation against conventional thermoelectric materials.

thermoelectric energy conversion (research)solid-state cooling systems (exploratory)low-temperature semiconductor physicsexotic intermetallic compoundsmaterials discovery and characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00170	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3040	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.

Nb4 Fe4 Te8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control