K2La2Sb2S9

semiconductor

· K2La2Sb2S9

K2La2Sb2S9 is a quaternary sulfide semiconductor compound containing potassium, lanthanum, and antimony. This is an experimental research material investigated primarily for its optical and electronic properties within the broader family of rare-earth chalcogenide semiconductors. Compounds in this material class are being explored for infrared photonics, solid-state lighting, and scintillator applications where rare-earth doping and sulfide host matrices offer tunable bandgaps and luminescent properties; however, K2La2Sb2S9 remains at the laboratory stage and is not yet established in commercial production or mainstream engineering applications.

infrared optics (research stage)rare-earth photonics (exploratory)scintillation detector developmentwide-bandgap semiconductor researchoptical material characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.768	kg/m³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.200	eV	—
↳	1.140	eV	—
Magnetic Moment(μB)	0.000	µB	—

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-1.288	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.

K2La2Sb2S9

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control