SbSI (antimony sulfide iodide) is a layered ternary semiconductor compound belonging to the V-VI-VII group of materials, characterized by a quasi-one-dimensional chain structure within its crystal lattice. It is primarily investigated in research contexts for ferroelectric and piezoelectric device applications, as well as for layered material studies where its anisotropic properties and weak van der Waals interlayer bonding make it of interest for nanoelectronics and optoelectronics. The material is notable for its potential in thin-film devices and phase-change applications, though it remains largely an experimental material rather than a mainstream industrial choice, making it most relevant for advanced research programs and specialized sensor or memory applications.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 27.83 | GPa | — | ||
Exfoliation Energy(Eexf) | 101.7 | meV/atom | — | ||
Poisson's Ratio(ν) | 0.3400 | - | — | ||
Shear Modulus(G) | 13.12 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.707 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 1.970 | eV | — | ||
| ↳ | 1.160 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 147.3 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -302.8 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1245 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.2525 | eV/atom | — |