Al2 Cu1

semiconductor
· Al2 Cu1

Al₂Cu (aluminum-copper intermetallic compound) is a hard, brittle ceramic-like semiconductor material belonging to the intermetallic family, characterized by a ordered crystal structure with fixed stoichiometry. This compound is primarily of research and developmental interest rather than established industrial production; it appears in materials science literature as a model system for studying intermetallic phase behavior, mechanical properties, and potential electronic applications. The Al-Cu system is industrially relevant through its precipitation-hardening role in commercial aluminum alloys (such as 2024 and 7075), where controlled formation of Cu-rich phases dramatically improves strength, though bulk Al₂Cu semiconductors remain largely experimental due to brittleness and processing challenges.

research compound (intermetallic)precipitation-hardening phase studieshigh-strength aluminum alloy developmentelectronic/semiconductor researchmaterials database reference

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
85.27
GPa—
Shear Modulus(G)
50.10
GPa—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000800
eV—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
-0.06000
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.