Ni4 O8

semiconductor

· Ni4 O8

Ni₄O₈ is a nickel oxide semiconductor compound that belongs to the family of mixed-valence transition metal oxides. This material is primarily of research and development interest, studied for its electrical conductivity, catalytic properties, and potential use in energy storage and conversion applications. Nickel oxides are explored as alternatives to conventional semiconductors in niche applications where their unique defect chemistry and variable oxidation states provide advantages over traditional materials.

electrochemical catalysisbattery electrode materialshydrogen evolution catalystsgas sensing devicessupercapacitor componentsresearch/experimental compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	31,329.7	ksi	—
Shear Modulus(G)	15,847.8	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01250	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.7360	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.

Ni4 O8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control