Y2 Ge2 Au2

semiconductor
· Y2 Ge2 Au2

Y₂Ge₂Au₂ is an intermetallic compound combining yttrium, germanium, and gold in a defined stoichiometric ratio, belonging to the broader class of rare-earth intermetallics with potential semiconductor or semi-metallic character. This is a research-phase material not yet established in mainstream industrial production; compounds in this family are typically investigated for specialized electronic, thermoelectric, or photonic applications where rare-earth elements provide unique electronic band structures. The combination of a refractory rare-earth (yttrium), a semiconductor element (germanium), and a noble metal (gold) suggests interest in tuning electrical conductivity, thermal properties, or device-interface behavior for advanced materials research.

Research and developmentThermoelectric devicesSemiconductor heterostructuresPhotonic/optoelectronic coatingsHigh-temperature electronicsMaterials science exploration

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
97.58
GPa—
Shear Modulus(G)
45.93
GPa—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.01790
eV—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
-0.8730
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.