Glass / Ceramic
Silicon nitride, P6_3/m hexagonal phase (Si3N4)
Open JARVIS-DFT screening card for Si3N4: density, elastic moduli, structure, and selected calculated electronic/energy fields.
Properties
Physical
| Property | Value | Unit |
|---|---|---|
| Density | 3123 | kg/m^3 |
Mechanical
| Property | Value | Unit |
|---|---|---|
| Bulk modulus | 237.97 | GPa |
| Shear modulus | 124.68 | GPa |
| Young's modulus | 318.42842914892856 | GPa |
| Poisson's ratio | 0.28 | - |
Electronic
| Property | Value | Unit |
|---|---|---|
| DFT band gap | 4.461 | eV |
Identity
| Property | Value | Unit |
|---|---|---|
| Chemical formula | Si3N4 | - |
Structure
| Property | Value | Unit |
|---|---|---|
| Crystal system | hexagonal | - |
| Space group | P6_3/m (No. 176) | - |
Thermodynamic
| Property | Value | Unit |
|---|---|---|
| Formation energy per atom | -1.1925 | eV/atom |
Units
Condition
- Condition
- ideal computational crystal
- Product form
- periodic bulk crystal model
- Thickness / diameter range
- Not applicable to the computational unit cell.
- Test direction
- Voigt isotropic elastic average.
- Processing route
- Static DFT relaxation using the upstream JARVIS workflow.
- Temperature range
- 0 ... 0 K
- Notes
- Computational screening values, not measured material-card values. Verify phase, composition, porosity, defects, temperature, processing, and product form.
Standards
No material standards linked.
Record status
- Category
- Glass / Ceramic
- Unit system
- Common SI