K1 Sm1 Se2

semiconductor

· K1 Sm1 Se2

K₁Sm₁Se₂ is an experimental ternary semiconductor compound combining potassium, samarium, and selenium. This material belongs to the rare-earth chalcogenide family and is primarily of research interest for exploring novel electronic and optical properties in systems with lanthanide elements. The compound has not achieved widespread industrial adoption but represents the broader class of rare-earth semiconductors being investigated for next-generation optoelectronic and quantum applications where conventional semiconductors reach fundamental limits.

rare-earth semiconductor researchoptoelectronic devices (exploratory)quantum materials developmenthigh-performance photonics (emerging)materials physics studiessolid-state chemistry applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	39.12	GPa	—
Shear Modulus(G)	26.31	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.859	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.853	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 Sm1 Se2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control