La4Fe(SbSe5)2

semiconductor

· La4Fe(SbSe5)2

La4Fe(SbSe5)2 is a ternary semiconductor compound containing lanthanum, iron, antimony, and selenium, belonging to the rare-earth chalcogenide family. This is a research-phase material primarily investigated for thermoelectric and solid-state electronic applications, where its layered structure and mixed-valence composition may enable efficient phonon scattering and charge transport. While not yet established in high-volume industrial use, compounds in this material class are of interest as potential alternatives to conventional thermoelectrics and as platforms for studying exotic electronic states in strongly correlated systems.

thermoelectric devicessolid-state cooling/heatingsemiconductor researchrare-earth electronicsphononic engineeringlow-temperature sensors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.8500	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.

La4Fe(SbSe5)2

Electrical Properties

Regulatory Screening

Environmental

Export Control