Si0.8Ge0.2

semiconductor

· Si0.8Ge0.2

Si0.8Ge0.2 is a silicon-germanium alloy semiconductor composed of 80% silicon and 20% germanium, representing a controlled composition within the SiGe material system. This alloy is engineered to modify semiconductor properties relative to pure silicon, particularly for applications requiring enhanced carrier mobility and tuned bandgap characteristics. SiGe alloys are used in high-speed integrated circuits, RF/microwave devices, and optoelectronic applications where the performance advantages of germanium can be accessed while leveraging silicon's manufacturing infrastructure and cost economics.

RF and microwave circuitsHigh-speed analog/mixed-signal ICsOptoelectronic detectorsHeterojunction bipolar transistors (HBTs)Thermoelectric devicesAdvanced semiconductor research

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Thermal Conductivity(k)2 entries	2.520	W/(m·K)	—
↳	2.520	W/(m·K)	127°C

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions
Band Gap(Eg)	1.100	eV	—
Electrical Conductivity(σ)	299.2	S/cm	727°C
Electrical Resistivity(ρe)	0.0000334	Ω·m	727°C
Thermoelectric Power Factor(PF)	0.00193	W/(m·K²)	727°C
Seebeck Coefficient(S)	254	μV/K	727°C
Thermoelectric Figure of Merit(zT)	0.2355	-	127°C

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.

Si0.8Ge0.2

Thermal Properties

Electrical Properties

Regulatory Screening

Environmental

Export Control