Er2Be2SiO7 — Properties & Data | MatWorld

Er2Be2SiO7

ceramic

· JVASP-143169· Er2Be2SiO7

Er2Be2SiO7 is an erbium beryllium silicate ceramic compound belonging to the family of rare-earth silicates with beryllium incorporation. This material exists primarily in research and development contexts, investigated for applications requiring thermal stability, optical transparency, or nuclear radiation resistance where beryllium's light-weight and neutron interaction properties combine with erbium's rare-earth characteristics. Engineers would consider this compound for specialized aerospace, nuclear, or photonic applications where conventional silicate ceramics fall short, though commercial availability and processing maturity remain limited compared to established ceramic families.

nuclear reactor componentshigh-temperature ceramicsoptical/photonic materialsaerospace thermal managementresearch developmentneutron moderator applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	24,903	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2600	-	DFT · OptB88vdW
Shear Modulus(G)	14,001.9	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2359	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	5.144	eV	DFT · OptB88vdW
↳	7.018	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.657	-	DFT · OptB88vdW
↳	2.986	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	DFT · TBmBJ

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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-3.451	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.

Er2Be2SiO7

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental