K3SmAs2S8

semiconductor

· K3SmAs2S8

K3SmAs2S8 is a rare-earth chalcogenide semiconductor compound containing potassium, samarium, arsenic, and sulfur elements. This is a research-phase material studied primarily in solid-state chemistry and materials science laboratories rather than established in commercial production. Compounds in this chemical family are investigated for potential applications in infrared optics, photovoltaic devices, and specialized electronic components, where the rare-earth and chalcogenide combinations can offer tunable bandgaps and unique optical properties distinct from conventional semiconductors.

infrared optical materials (research)photovoltaic researchsolid-state electronics (experimental)rare-earth semiconductorschalcogenide compound researchmaterials discovery

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.929	kg/m³	—

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Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.200	eV	—
↳	1.575	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)	0.00210	eV/atom	—
Formation Energy(ΔHf)	-0.9992	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.

K3SmAs2S8

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control