NiI2

metal
· NiI2

Nickel iodide (NiI₂) is an inorganic compound that exists primarily as a layered crystalline material, belonging to the halide family of transition metal compounds. While not widely used in conventional structural engineering, NiI₂ is of significant interest in materials research for layered material applications, particularly as a precursor or component in two-dimensional material synthesis and as a model system for studying layered crystal physics. The material's weak interlayer bonding and potential for exfoliation make it relevant to emerging technologies in nanoelectronics, energy storage, and catalysis, though current applications remain largely in the research and development phase rather than mature industrial production.

two-dimensional materials researchbattery cathode materialscatalytic applicationslayered crystal studynanoelectronics precursorsmaterials characterization

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
Pa
Exfoliation Energy(Eexf)
meV/atom
Poisson's Ratio(ν)
-
Shear Modulus(G)
Pa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Dielectric Constant (Relative Permittivity)(εr)
-
Magnetic Moment(μB)
µB
Piezoelectric Modulus(eij)
C/m²
Seebeck Coefficient(S)
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)2 entries
eV/atom
eV/atom
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
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.