YbB4 — Properties & Data | MatWorld

YbB4

ceramic

· JVASP-139997· YbB4

YbB4 is a rare-earth boride ceramic compound combining ytterbium with boron in a tetrahedral boride structure. This material belongs to the family of high-performance boride ceramics and remains primarily in the research and development phase, with investigation focused on its potential as a refractory material and in advanced structural applications where extreme thermal stability and hardness are required. Engineers consider boride ceramics like YbB4 for applications demanding resistance to thermal shock, oxidation, and chemical attack in harsh environments, though industrial adoption is limited compared to more established ceramics such as alumina or silicon carbide.

refractory materialshigh-temperature aerospace componentsthermal protection systemsresearch/experimental applicationswear-resistant coatingsextreme environment engineering

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	153.7	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.1800	-	DFT · OptB88vdW
Shear Modulus(G)	130.5	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	7.014	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Unit	Conditions
Band Gap(Eg)2 entries	eV	DFT · OptB88vdW
↳	eV	DFT · TBmBJ
Magnetic Moment(μB)	µB	DFT · OptB88vdW

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)	0.00510	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5274	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.

YbB4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental