CsS

ceramic

· CsS

Cesium sulfide (CsS) is an ionic ceramic compound composed of cesium and sulfur, belonging to the family of alkali metal chalcogenides. It is primarily of research and theoretical interest rather than a widely commercialized engineering material, with potential applications in optoelectronics, solid-state ionics, and photovoltaic research where its electronic and ionic transport properties are being investigated.

research materialsoptoelectronic devicessolid-state ionicsphotovoltaic absorbersthermal imaging sensorsspecialized ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Dielectric Constant (Relative Permittivity)(εr)2 entries	5.860	-	—
↳	4.414 range 3.199–5.629median of 2 measurements	-	—
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	—
Total Dielectric Tensor(ε)	Matrix (redacted)	-	—

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Regulatory Screening

Environmental

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.

CsS

Electrical Properties

Regulatory Screening

Environmental