Si4
semiconductor· Si4
Si4 is a silicon-based semiconductor material, likely a silicon carbide (SiC) polymorph or silicon nitride variant based on its designation, though exact composition details are not specified. It is employed in high-temperature electronics, power conversion devices, and harsh-environment applications where thermal stability and electrical performance are critical. This material class is chosen over traditional silicon when operating temperatures exceed ~150°C or when superior mechanical strength under thermal stress is required, making it valuable in automotive power electronics, industrial inverters, and aerospace systems.
high-temperature power electronicswide-bandgap semiconductorsautomotive converters and invertersaerospace thermal managementindustrial motor drivesRF and microwave devices
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | Pa | — | — | |
Shear Modulus(G) | — | Pa | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | — | 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.