Cs4Th2P6S18

semiconductor

· Cs4Th2P6S18

Cs4Th2P6S18 is a mixed-metal chalcogenide compound containing cesium, thorium, phosphorus, and sulfur—a rare earth-like semiconductor in the thiophosphate family. This is a research-phase material studied primarily for its potential in solid-state ionics and nuclear-related applications, rather than established commercial use. Interest in this compound class stems from the combination of heavy metal cations and chalcogenide frameworks, which can exhibit unusual ionic conductivity, radiation hardness, and photochemical properties relevant to advanced fuel cycles and extreme-environment sensing.

Nuclear waste immobilizationSolid-state electrolytesRadiation-hardened semiconductorsResearch synthesisThorium fuel host phasesExtreme-environment sensors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.800	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.

Cs4Th2P6S18

Electrical Properties

Regulatory Screening

Environmental

Export Control