Au4 Er1

semiconductor

· Au4 Er1

Au4Er1 is an intermetallic compound combining gold and erbium, belonging to the rare-earth metal alloy family. This material is primarily of research and experimental interest rather than established industrial production, with potential applications in high-temperature electronics, photonics, and specialized semiconductor devices where the unique properties of rare-earth elements combined with gold's excellent electrical conductivity and chemical stability could be leveraged. Engineers would consider this material for niche applications requiring thermal stability, specific electromagnetic properties, or integration in advanced microelectronic or optoelectronic systems where conventional semiconductors or metals prove insufficient.

research compoundhigh-temperature electronicsrare-earth alloysintermetallic compoundsspecialized photonicsadvanced microelectronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	124.1	GPa	—
Shear Modulus(G)	33.57	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000500	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.6450	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.

Au4 Er1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control