BeGeAs2

ceramic
· BeGeAs2

BeGeAs₂ is a quaternary ceramic compound combining beryllium, germanium, and arsenic elements, representing an advanced material in the chalcogenide and semiconductor ceramic family. This material is primarily of research and developmental interest for optoelectronic and photonic applications where its wide bandgap and crystalline structure offer potential advantages in infrared transmission, nonlinear optical devices, and high-frequency semiconductor applications. Engineers consider BeGeAs₂ for specialized photonic systems where conventional semiconductors or glasses are insufficient, though industrial adoption remains limited compared to established alternatives like GaAs or ZnSe due to material maturity and manufacturing challenges.

infrared optics and windowsnonlinear optical deviceswide-bandgap semiconductorsphotonic research componentshigh-frequency RF applicationsadvanced ceramics research

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
ksi
Poisson's Ratio(ν)
-
Shear Modulus(G)
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Dielectric Constant (Relative Permittivity)(εr)2 entries
-
median of 2 measurements
-
Magnetic Moment(μB)
µB
Piezoelectric Modulus(eij)
C/m²
Seebeck Coefficient(S)
µV/K
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)
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.
BeGeAs2 — Properties & Data | MatWorld