K1 Y1 S2

semiconductor

· K1 Y1 S2

K1 Y1 S2 is a semiconductor compound with an unspecified composition, likely a ternary or quaternary system incorporating potassium, yttrium, and sulfur elements based on its designation. This material belongs to the broader family of metal chalcogenides and rare-earth semiconductors, which are of significant research interest for optoelectronic and photonic applications. While this specific composition appears to be in the experimental or specialized research phase, materials in this family are explored for their tunable band gaps, luminescent properties, and potential in next-generation thin-film devices where conventional semiconductors are limited.

Research and developmentOptoelectronic devicesPhotoluminescent materialsThin-film semiconductorsRare-earth applicationsAdvanced material characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	47.97	GPa	—
Shear Modulus(G)	32.42	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.405	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.092	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.

K1 Y1 S2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control