Ba4YBe

ceramic

· JVASP-64718· Ba4YBe

Ba4YBe is a barium yttrium beryllium ceramic compound belonging to the rare-earth doped oxide ceramic family. This is a specialized research material investigated for applications requiring combinations of thermal stability, optical transparency, or specific dielectric properties. Ba4YBe remains largely experimental, with limited commercial deployment; it represents the broader class of mixed rare-earth beryllium ceramics being explored in advanced photonics, thermal management, and specialty electronics where conventional ceramics fall short.

optical ceramics researchthermal barrier coatingsspecialty electronics substratesrare-earth ceramic developmentphotonic materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	11.73	GPa	—
Shear Modulus(G)	260.0	MPa	—

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.039	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	1.418	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.8474	eV/atom	—
Formation Energy(ΔHf)	0.8474	eV/atom	—

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

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.

Ba4YBe

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental