BeFeSb — Properties & Data | MatWorld

BeFeSb

Name: BeFeSb
Brand: MatWorld

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	130.7	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2900	-	DFT · OptB88vdW
Shear Modulus(G)	66.18	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	7.570	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.3370	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	55.18	-	DFT · TBmBJ
Magnetic Moment(μB)	0.9350	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	7.040	%	DFT · TBmBJ

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.3810	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.2379	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

BeFeSb

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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