Cs4Ga4Si19

semiconductor

· Cs4Ga4Si19

Cs₄Ga₄Si₁₉ is a mixed-metal silicide compound belonging to the family of intermetallic semiconductors, combining cesium, gallium, and silicon in a complex crystal structure. This is a research-phase material studied for potential optoelectronic and solid-state applications, where the incorporation of alkali metals (cesium) into gallium-silicon frameworks offers opportunities to tune electronic band structure and thermal properties beyond conventional binary or ternary semiconductors. While not yet commercialized, compounds in this material class are of interest in photovoltaics, thermoelectrics, and advanced semiconductor device development where unconventional dopant configurations and phase stability become design levers.

Experimental photovoltaic materialsThermoelectric device researchOptoelectronic semiconductorsBandgap engineeringHigh-temperature electronicsMaterials discovery & screening

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.140	eV	—

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.

Cs4Ga4Si19

Electrical Properties

Regulatory Screening

Environmental

Export Control