BiB — Properties & Data | MatWorld

BiB

ceramic

· JVASP-36109· BiB

BiB is a boron-based ceramic compound combining bismuth and boron elements, belonging to the family of advanced ceramics with applications in high-performance structural and thermal contexts. This material is primarily encountered in research and specialized industrial settings where its combination of stiffness and density makes it suitable for applications requiring robust ceramic performance in demanding environments. BiB is notable for applications in aerospace, defense, and high-temperature applications where traditional ceramics or metals may be inadequate, though it remains less widely adopted than established ceramic alternatives like alumina or silicon carbide.

aerospace componentshigh-temperature ceramicswear-resistant coatingsdefense applicationsstructural ceramicsthermal management systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	72.97	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.1900	-	DFT · OptB88vdW
Shear Modulus(G)	59.14	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	8.539	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.1760	eV	DFT · OptB88vdW
↳	0.4030	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	39.11	-	DFT · OptB88vdW
↳	25.04	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.01000	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.01000	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	3.883	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00415	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00331	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-156.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	190.9	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	10.16	%	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.8092	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.8092	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.

BiB

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental