S2 K2 Au2

semiconductor

· S2 K2 Au2

S2K2Au2 is an experimental semiconductor compound containing sulfur, potassium, and gold elements, currently in research development rather than established commercial production. This material belongs to the family of ternary chalcogenide semiconductors and is of interest for fundamental studies of mixed-valence systems and potential optoelectronic properties arising from the gold component. While not yet widely deployed in industry, materials in this chemical family are being investigated for next-generation photovoltaic devices, photodetectors, and quantum materials applications where the combination of chalcogenide semiconductivity with noble metal doping offers tunable electronic and optical characteristics.

research and developmentexperimental semiconductorsphotodetector devicesphotovoltaic materialsquantum materialsthin-film electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	21.38	GPa	—
Shear Modulus(G)	10.47	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.296	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.8400	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.

S2 K2 Au2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control