O8 Cu4 Er2

semiconductor

· O8 Cu4 Er2

O8Cu4Er2 is an experimental rare-earth copper oxide compound, likely a ternary ceramic or intermetallic material combining copper with erbium (a lanthanide element) in a highly oxygen-rich lattice. This composition falls outside common commercial material families and appears to be a research-phase material being investigated for its potential electronic, magnetic, or structural properties at the intersection of copper metallurgy and rare-earth chemistry. The material is not widely deployed industrially; potential interest likely centers on high-temperature applications, quantum materials research, or specialized electronic devices where the combination of copper's conductivity with erbium's magnetic and optical properties could offer distinct advantages over conventional alternatives.

rare-earth device researchhigh-temperature ceramicsquantum materials (experimental)specialty electronics (early-stage)optical/photonic compound researchmagnetic material systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00320	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.892	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.

O8 Cu4 Er2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control