Si2 Ge2

semiconductor

· Si2 Ge2

Si₂Ge₂ is an experimental binary semiconductor compound in the silicon-germanium family, representing a specific stoichiometric composition that bridges the properties of elemental silicon and germanium. This material is primarily of research interest for next-generation optoelectronic and thermoelectric applications, where the tuned bandgap and lattice parameters offer potential advantages over single-element semiconductors or conventional SiGe alloys. While not yet widely commercialized, Si₂Ge₂ and related SiGe phases are explored for high-efficiency solar cells, integrated photonics, and thermal energy harvesting where the engineered electronic structure could deliver performance gains over standard alternatives.

research optoelectronicsthermoelectric energy conversionnext-generation photovoltaicsintegrated photonicsbandgap engineeringthin-film semiconductors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	72.60	GPa	—
Shear Modulus(G)	56.02	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.05010	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.04500	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.

Si2 Ge2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control