Ca4 Co4 O8

semiconductor

· Ca4 Co4 O8

Ca₄Co₄O₈ is an experimental mixed-valence cobalt oxide ceramic compound belonging to the family of complex metal oxides with potential semiconductor or ionic conductor properties. This material is primarily of research interest rather than established industrial use, studied for its structural framework and electronic properties that may enable applications in energy storage, catalysis, or solid-state ionic devices. The compound's appeal lies in exploring how cobalt's variable oxidation states and calcium's role as a structural dopant can be engineered to create materials with tunable electrical or catalytic behavior.

experimental semiconductor researchsolid oxide fuel cellscatalytic materials developmentenergy storage systemsmixed-valence oxide studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	81.90	GPa	—
Shear Modulus(G)	22.84	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00180	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.921	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.

Ca4 Co4 O8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control