BeFeSb

metal
· JVASP-68474· BeFeSb

BeFeSb is an intermetallic compound combining beryllium, iron, and antimony—a rare ternary metal system that exists primarily in research and exploratory materials development contexts. While ternary intermetallics of this type are not established in mainstream engineering production, compounds in the Be-Fe-Sb family are of scientific interest for their potential in high-stiffness, lightweight structural applications and electronic materials research, though their toxicity (beryllium), brittleness, and manufacturing complexity have limited commercial adoption compared to conventional alloys and intermetallics.

research intermetallicshigh-stiffness aerospace conceptselectronic materials explorationspecialty alloy developmentmaterials science evaluation

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
130.7
GPa
Poisson's Ratio(ν)
0.2900
-
Shear Modulus(G)
66.18
GPa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
7.570
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.1685
range 0.000–0.3370median of 2 measurements
eV
Magnetic Moment(μB)
0.9350
µB
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.3810
eV/atom
Formation Energy(ΔHf)
0.2379
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.