Er1

semiconductor

· Er1

Er1 is a semiconductor material, likely an erbium-based compound or alloy, though its specific composition is not detailed in available references. Erbium compounds are primarily used in photonics and telecommunications applications, particularly in fiber-optic amplifiers and laser systems operating in the infrared spectrum. Engineers select erbium-doped materials for long-distance optical communication systems because of their ability to amplify signals at the 1.5 μm wavelength window, which minimizes attenuation in standard silica fiber.

optical fiber amplificationtelecommunications systemsinfrared lasersphotonic devicessignal boosting

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	6,618.5	ksi	—
Shear Modulus(G)	4,180	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01150	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.01600	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.

Er1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control