Er4 Be4 Ge2 O14

ceramic

· Er4 Be4 Ge2 O14

Er₄Be₄Ge₂O₁₄ is a complex rare-earth ceramic compound combining erbium, beryllium, and germanium oxides, synthesized primarily in research and materials development contexts rather than established commercial production. This material family is investigated for specialized applications requiring the combined properties of rare-earth oxides—such as high-temperature stability and optical activity—with the lightweight and stiffness characteristics that beryllium phases contribute. While not yet a standard engineering material in widespread use, compounds of this type are explored for advanced optics, thermal management in extreme environments, and potentially as precursors for composite reinforcement in defense and aerospace research.

Advanced ceramics researchHigh-temperature optical applicationsRare-earth compound developmentAerospace thermal components (experimental)Materials science characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	162.3	GPa	—
Shear Modulus(G)	85.49	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	4.587	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-3.118	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.

Er4 Be4 Ge2 O14

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental