Niobium iodide (NbI₅) is a layered transition metal halide compound belonging to the family of two-dimensional materials and van der Waals solids. This material is primarily studied in research contexts for its potential in electronic and optoelectronic applications, particularly as an emerging candidate for semiconductor devices, exfoliated thin films, and next-generation energy storage systems where its layered structure and tunable electronic properties offer advantages over conventional materials.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 3,412.7 | ksi | — | ||
Exfoliation Energy(Eexf) | 178.4 | meV/atom | — | ||
Shear Modulus(G) | -1,818.8 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1876 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.6930 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 59.58 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -300 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000300 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.4488 | eV/atom | — |