As1 Er1

semiconductor

· As1 Er1

As₁Er₁ is a binary intermetallic compound combining arsenic and erbium, representing a rare-earth semiconductor material. This composition falls within the family of rare-earth pnictide semiconductors, primarily explored in research contexts for potential optoelectronic and thermoelectric applications. The material's notable stiffness characteristics and semiconductor properties position it as a candidate for high-temperature or specialized electronic device research, though industrial-scale adoption remains limited compared to mainstream semiconductor alternatives.

rare-earth semiconductorsthermoelectric researchhigh-temperature electronicsoptoelectronics developmentmaterials science researchspecialty compound semiconductors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	83.23	GPa	—
Shear Modulus(G)	61.40	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.2294	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.574	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.

As1 Er1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control