La2YbCuSe5

semiconductor

· La2YbCuSe5

La2YbCuSe5 is a mixed-metal selenide semiconductor compound containing lanthanum, ytterbium, copper, and selenium, belonging to the family of rare-earth chalcogenides. This is a research-phase material currently under investigation for potential thermoelectric and optoelectronic applications, rather than an established commercial compound. Materials in this chemical family are of scientific interest for their tunable electronic properties and potential use in solid-state energy conversion and photonic devices, where the rare-earth dopants and chalcogenide framework can be engineered to optimize band structure and phonon scattering.

thermoelectric power generation (research)solid-state cooling devices (research)optoelectronic semiconductors (experimental)rare-earth photonics (early-stage)materials research and characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.150	eV	—

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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.

La2YbCuSe5

Electrical Properties

Regulatory Screening

Environmental

Export Control