NaFe4Sb12

metal

· JVASP-23337· NaFe4Sb12

NaFe4Sb12 is an intermetallic compound belonging to the skutterudite family, characterized by a cage-like crystal structure with sodium and iron atoms surrounding antimony. This material is primarily investigated in thermoelectric research for its potential to convert thermal gradients into electrical energy, with particular interest in high-temperature power generation and waste heat recovery applications where its phonon-scattering cage structure can reduce thermal conductivity while maintaining electrical conductivity.

thermoelectric power generationwaste heat recoveryhigh-temperature energy conversionresearch compound

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.251	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Seebeck Coefficient(S)	64.56	µV/K	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-0.06538	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.

NaFe4Sb12

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control