Be4B — Properties & Data | MatWorld

Be4B

ceramic

· JVASP-24607· Be4B

Be₄B is an advanced ceramic compound combining beryllium and boron, belonging to the family of refractory and lightweight ceramic materials. This material is primarily investigated for aerospace and high-temperature structural applications where its low density and potential thermal stability offer advantages over conventional ceramics. Be₄B remains largely in research and development phases, with potential use in thermal protection systems, spacecraft components, and extreme-environment applications where weight reduction is critical.

aerospace structural componentsthermal protection systemshigh-temperature ceramicslightweight refractory materialsexperimental aerospace researchberyllium-based composites

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	1.976	kg/m³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000124	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000115	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	1.333	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	1.277	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.04516	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

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.

Be4B

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental