Ca4 P4 S12

semiconductor

· Ca4 P4 S12

Ca₄P₄S₁₂ is a mixed-anion semiconductor compound combining calcium, phosphorus, and sulfur in a single crystalline phase. This material belongs to the thiophosphate family and remains largely in the research phase, with potential applications in solid-state ionics and photonic devices where mixed-anion systems offer tunable electronic and ionic properties distinct from single-anion semiconductors.

solid-state electrolytesphotonic semiconductorsresearch compoundsionic conductorsoptoelectronic devicesemerging materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	3.128	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.180	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.

Ca4 P4 S12

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control