K2La2Sb2S9 — Properties & Data | MatWorld

K2La2Sb2S9

Name: K2La2Sb2S9
Brand: MatWorld

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)	0.1361	lb/in³	DFT · OptB88vdW

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.140	eV	DFT · OptB88vdW
↳	2.200	eV	Measured
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

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	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.288	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

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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

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