Superior Evaporants Incorporated

Technical Information

Material: Cerium Oxide

 

 

Formula: CeO2

Molecular weight: 1.72

Product Form: tablets ~ 2 grams

Catalog#:  1300

Density: 7.3 g/cm3

Melting point: 1950oC

Linear expansion coefficient: 7.45 x 10‑3/K

Solubility: Insoluble in H2O   

 

 

Type analysis:

Iron(Fe)          <28 ppm

Calsium(Ca)       <71 ppm

Manganese(Mn)     <10 ppm

 

 

Properties of thin film:

Transmission range: 400‑16000nm

Refractive index at 500nm ~ 2.25

Evaporation temperature ~2000 oC

 

Hints on evaporation:

Substrate temperature ~ 250 oC

O2 partial pressure ~ 1‑2 x 10‑4 mbar

Evaporate using E‑Beam or molybdenum boat

 

Applications:

Multi‑layers, antireflection coatings