PrB4 — Properties & Data | MatWorld

PrB4

Name: PrB4
Brand: MatWorld

ceramic

· PrB4

PrB₄ is a rare-earth boride ceramic compound combining praseodymium with boron in a refractory ceramic matrix. This material belongs to the rare-earth boride family, which is primarily explored in research and advanced materials development for extreme-temperature applications where conventional ceramics and metallic systems reach their limits. PrB₄ and related rare-earth borides are investigated for ultra-high-temperature structural applications, wear-resistant coatings, and specialized nuclear or aerospace environments, though commercial adoption remains limited compared to established ceramics like alumina or silicon carbide.

ultra-high-temperature ceramicsrefractory coatingsaerospace researchwear resistance applicationsadvanced materials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.568	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	Measured
Thermoelectric Power Factor(PF)2 entries	0.000508	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000548	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-7.953	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-4.153	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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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.5663	eV/atom	DFT · OptB88vdW
↳	-0.5503	eV/atom	Measured

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

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.

PrB4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental