S2 K1 Er1

semiconductor

· S2 K1 Er1

S2 K1 Er1 is a semiconductor compound containing erbium as a key dopant or alloying element, likely part of rare-earth doped semiconductor research for photonic and optoelectronic applications. This material family is investigated for telecommunications, optical amplification, and solid-state laser systems where erbium's characteristic emission wavelengths (around 1.5 μm) enable efficient signal amplification and light generation in fiber-optic networks and advanced photonic devices.

optical fiber amplifiers1.5 μm telecommunicationssolid-state lasersphotonic integrated circuitsquantum computing (research)infrared light sources

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	49.49	GPa	—
Shear Modulus(G)	33.81	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.362	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.068	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.

S2 K1 Er1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control