Ge4
semiconductor· Ge4
Ge4 is a germanium-based semiconductor compound, likely representing a specific germanium polymorph or doped germanium variant used in optoelectronic and infrared device research. Germanium semiconductors are employed in infrared detectors, high-frequency transistors, and specialized photovoltaic applications where their narrow bandgap and high carrier mobility provide advantages over silicon, particularly in thermal imaging systems and space-qualified electronics. This material is notable in niche applications requiring superior infrared sensitivity or operation at elevated temperatures, though it remains less common in mainstream electronics compared to silicon due to higher cost and lower thermal stability.
infrared detectorsthermal imaging sensorsspace electronicshigh-frequency transistorsphotovoltaic devicesoptoelectronic research
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.