S2 Er1 Tl1

semiconductor

· S2 Er1 Tl1

S2 Er1 Tl1 is an experimental semiconductor compound containing erbium and thallium dopants in a sulfide (S2) host matrix. This material belongs to the rare-earth doped chalcogenide family, which is primarily investigated in research contexts for photonic and optoelectronic applications rather than mainstream industrial production. The erbium and thallium additions are studied for their potential to engineer bandgap properties, enhance light emission, or improve charge carrier dynamics in specialized optical devices.

research-phase optoelectronicsrare-earth photonicsexperimental infrared emitterslaboratory spectroscopy applicationsnext-generation semiconductor devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	51.54	GPa	—
Shear Modulus(G)	31.17	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.542	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.625	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 Er1 Tl1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control