Si2 K4 As4

semiconductor

· Si2 K4 As4

K₄Si₂As₄ is a quaternary semiconductor compound combining potassium, silicon, and arsenic elements, representing an emerging material in the solid-state chemistry and semiconductor research space. While not yet widely commercialized, this compound belongs to the family of complex semiconductors being investigated for potential optoelectronic and photovoltaic applications where band gap engineering and crystal structure control are priorities. The material's significance lies in its potential to offer tunable electronic properties through its multi-element composition, though practical engineering adoption remains limited pending further development of synthesis and device integration methods.

experimental semiconductorsband gap engineering researchsolid-state chemistryphotoactive materials developmentcrystal structure studiesemerging optoelectronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	3,580.8	ksi	—
Shear Modulus(G)	1,951.2	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.092	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4960	eV/atom	—

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

Regulatory Screening

Environmental

Export Control

Quality & Standards

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.

Si2 K4 As4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control

Quality & Standards