Au2 Er1 Si2

semiconductor

· Au2 Er1 Si2

Au₂Er₁Si₂ is an intermetallic compound combining gold, erbium, and silicon—a rare-earth metal silicide system with potential semiconductor or thermoelectric behavior. This is primarily a research-phase material studied for specialized applications where the combination of noble metal stability, rare-earth magnetic or optical properties, and silicon integration offers theoretical advantages; it remains outside mainstream commercial production and is encountered mainly in materials research focused on advanced functional compounds.

thermoelectric devices (research)rare-earth semiconductor compoundshigh-temperature electronics (exploratory)photonic or optoelectronic researchmaterials synthesis and characterizationintermetallic phase studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00210	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4690	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.

Au2 Er1 Si2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control