Na2CuAs

metal
· Na2CuAs

Na2CuAs is an intermetallic compound combining sodium, copper, and arsenic in a defined stoichiometric ratio. This material is primarily of research and exploratory interest rather than a widespread industrial commodity, with potential applications in semiconductor research, thermoelectric studies, or advanced functional materials where the combination of metallic and metalloid elements offers novel electronic or thermal properties.

Semiconductor researchThermoelectric materials developmentIntermetallic compound studiesMaterials science research

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
33.08
GPa
Poisson's Ratio(ν)
0.2500
-
Shear Modulus(G)
22.09
GPa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
3.646
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.8120
eV
Dielectric Constant (Relative Permittivity)(εr)
21.01
-
Electronic Dielectric Tensor(ε∞)
Matrix (redacted)
-
Total Dielectric Tensor(ε)
Matrix (redacted)
-
Magnetic Moment(μB)
0.000
µB
Seebeck Coefficient(S)
-187.2
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)
-0.4243
eV/atom
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

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.