Superior Evaporants Incorporated

Technical Information

Material:  Yttrium Oxide

 

 

Formula: Y2O3

Molecular weight: 225.81

Product Form: White tablets ~ 1 grams

Catalog#:  2700

 

Melting point: 2410oC

 

 

Type analysis:

Iron(Fe)          < 3 ppm

Nickel(Ni)        <10 ppm

Copper(Cu)        < 5 ppm

Chromium(Cr)      <15 ppm  

Manganess(Mn)     < 4 ppm

 

 

Properties of thin film:

 

Transmission range: 350‑8000nm

Refractive index at 550nm ~ 1.75

 

 

Hints on evaporation:

 

Substrate temperature ~ 250oC

Deposition rate ~ 25nm/min

O2 partial pressure ~ 1 x 10‑4 mbar

 

Evaporate using E‑Beam

 

 

Applications:

 

Anti‑reflection coatings, Interference filters