O4 K4 Cu4

semiconductor

· O4 K4 Cu4

O4K4Cu4 is a quaternary copper-based semiconductor compound combining oxygen, potassium, and copper in a 4:4:4 stoichiometric ratio. This is a research-phase material—not a commodity semiconductor—that belongs to the family of mixed-metal oxides with potential applications in electrochemistry and solid-state electronics. The presence of copper and potassium suggests interest in ionic conductivity, catalytic properties, or novel band structure engineering, making it most relevant to exploratory materials development rather than established industrial applications.

experimental semiconductor researchsolid-state battery materialscatalytic devicesthin-film electronics developmentmixed-metal oxide compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	35.56	GPa	—
Shear Modulus(G)	16.57	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.380	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.149	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.

O4 K4 Cu4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control