Si3Ge — Properties & Data | MatWorld

Si3Ge

ceramic

· JVASP-39087· Si3Ge

Si3Ge is a silicon-germanium ceramic compound that combines silicon and germanium in a defined stoichiometric ratio, belonging to the class of group IV semiconductor ceramics. This material is primarily of research and development interest for high-temperature semiconductor applications, optoelectronic devices, and advanced thermoelectric systems where the blended properties of silicon and germanium can provide advantages over single-element alternatives, such as improved thermal stability, tunable band gap characteristics, or enhanced carrier mobility for specialized device architectures.

thermoelectric deviceshigh-temperature semiconductorsoptoelectronic componentssolar cells and photovoltaicsresearch and developmentadvanced material composites

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.887	kg/m³	DFT · OptB88vdW

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Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000249	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000264	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-0.8300	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-0.8500	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.6729	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.6643	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

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.

Si3Ge

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental