ErB2 — Properties & Data | MatWorld

ErB2

Name: ErB2
Brand: MatWorld

ceramic

· ErB2

ErB₂ is an erbium diboride ceramic compound belonging to the hexaboride family of refractory materials. This material is primarily studied in advanced research contexts for applications requiring extreme hardness, thermal stability, and chemical resistance at high temperatures. ErB₂ and related rare-earth borides are candidates for cutting tool inserts, wear-resistant coatings, and specialized refractory applications where conventional ceramics fall short, though industrial adoption remains limited compared to established alternatives like tungsten carbide or alumina.

high-temperature refractory applicationscutting tool insertswear-resistant coatingsarmor and ballistic protection (research)hardness-critical componentsaerospace thermal barriers (experimental)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3220	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000223	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000234	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-6.237	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-6.397	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.

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

Filter by

Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.6658	eV/atom	DFT · OptB88vdW
↳	-0.2829	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.

ErB2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental