Si0.109Ge0.891

semiconductor
· Si0.109Ge0.891

Si₀.₁₀₉Ge₀.₈₉₁ is a silicon-germanium alloy heavily weighted toward germanium, belonging to the IV-IV semiconductor family used in high-frequency and optoelectronic device research. This composition sits in a technologically important region for heterojunction bipolar transistors (HBTs) and integrated photonic applications where the germanium-rich character provides bandgap engineering advantages. The alloy is notable for enabling higher carrier mobility and lower operating voltages compared to pure silicon, making it attractive for next-generation RF/microwave circuits and emerging infrared detector technologies, though it remains primarily in research and specialized production rather than mass-market applications.

heterojunction bipolar transistors (HBTs)RF/microwave integrated circuitsinfrared photodetectorsoptical communications deviceshigh-speed analog electronicsbandgap-engineered optoelectronics

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
—
eV——
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.