SmFeB4

metal

· JVASP-23421· SmFeB4

SmFeB4 is an intermetallic compound in the samarium-iron-boron system, representing a rare-earth transition-metal boride material. This compound is primarily of research and development interest for advanced magnetic and high-temperature applications, as the SmFeB family has shown potential for permanent magnet development and other functional applications where rare-earth elements provide enhanced magnetic properties.

permanent magnet researchhigh-temperature magnetic devicesrare-earth intermetallic compoundsadvanced functional materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	6.972	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Seebeck Coefficient(S)	-2.630	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)	-0.5454	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.

SmFeB4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control