Er2 Cu2 As4
semiconductor· Er2 Cu2 As4
Er₂Cu₂As₄ is a ternary intermetallic semiconductor compound combining erbium (a rare earth element), copper, and arsenic in a stoichiometric crystal structure. This is a research-phase material studied primarily for its electronic and magnetic properties rather than established commercial production. The material family of rare-earth transition-metal pnictiides (REₓTₘAₙ compounds) is of interest in condensed matter physics for potential applications in thermoelectric devices, magnetism research, and quantum materials, though Er₂Cu₂As₄ remains largely in the laboratory exploration stage with limited industrial deployment.
thermoelectric researchcondensed matter physicsmagnetic materials explorationrare-earth intermetallicsquantum materials development
Compliance & Regulations
?ITAR?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | — | eV/atom | — | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
Quality & Standards
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.