BeAs — Properties & Data | MatWorld

BeAs

ceramic

· JVASP-114598· BeAs

BeAs is a beryllium arsenide ceramic compound belonging to the III-V semiconductor family, synthesized primarily for research and specialized applications rather than high-volume industrial production. It is investigated for optoelectronic devices, thermal management materials, and high-frequency semiconductor applications where the combination of beryllium's low density and arsenic's semiconductor properties offers potential advantages. BeAs remains largely experimental; its development is motivated by the need for wide-bandgap semiconductors and materials with exceptional thermal conductivity in extreme environments, though toxicity concerns and manufacturing complexity limit its adoption compared to more mature ceramic and semiconductor alternatives.

High-frequency semiconductor researchThermal management substratesWide-bandgap optoelectronicsExperimental compound semiconductorsSpace/aerospace applicationsResearch prototyping

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	69.48	GPa	DFT · OptB88vdW
Shear Modulus(G)	32.85	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.808	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.02129	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.

BeAs

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental