Li1 Cu2 Ge1

semiconductor

· Li1 Cu2 Ge1

Li₁Cu₂Ge₁ is a ternary intermetallic semiconductor compound combining lithium, copper, and germanium in a 1:2:1 stoichiometry. This material belongs to an experimental research family of semiconductor intermetallics with potential applications in thermoelectric and optoelectronic devices, where the combination of light alkali metals with transition metals and group IV elements can produce tunable electronic band structures. While not yet commercially established, compounds in this family are being investigated for energy conversion and photonic applications where the coupling of copper d-orbitals, germanium's semiconductor character, and lithium's high charge carrier contribution offer design flexibility beyond conventional binary semiconductors.

experimental thermoelectricsresearch semiconductorsoptoelectronic device developmentenergy conversion systemshigh-temperature electronicsmaterials discovery (computational/lab-scale)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01220	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.1820	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.

Li1 Cu2 Ge1

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control