S20 K4 Au4

semiconductor

· S20 K4 Au4

S20 K4 Au4 is a gold-containing semiconductor compound with potassium and sulfur constituents, likely representing a research-phase material rather than an established commercial alloy. This composition suggests investigation into gold-doped semiconductor systems, potentially for optoelectronic or quantum applications where gold's high atomic number and electron density can modify electronic band structure. The material family is notable for specialized research contexts involving precious-metal semiconductors, though limited industrial adoption data suggests this remains an experimental composition requiring further characterization.

optoelectronic researchquantum materialsspecialized semiconductor deviceslaboratory investigationsprecious-metal doping studiesexperimental electronic components

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.785	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4080	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.

S20 K4 Au4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control