Superior Evaporants Incorporated

Technical Information

Material:  Zinc Selenide

 

 

Formula: ZnSe

Molecular weight: 144

Product Form: granules 1‑4mm

Catalog#:  3400

 

Solubility: Insoluble in H2O

Melting point: 1526oC

Density: ~ 5.4 g/cm3

Vapour pressure at 750oC ~ 1 x 10‑2 mbarr

 

Type analysis:

Iron(Fe)          < 7 ppm

Nickel(Ni)        < 6 ppm

Cobalt(Co)        < 4 ppm

Copper(Cu)        < 1 ppm

Chromium(Cr)      < 2 ppm  

Mangenese(Mn)     < 1 ppm

Titanium(Ti)      <10 ppm

 

 

Properties of thin film:

 

Transmission range: 600‑15000nm

Refractive index at 600nm ~ 2.58

Evaporation temperature: ~ 600‑900oC

 

Hints on evaporation:

 

Evaporate using E‑Beam or resistance heated molybdenum boat.

 

 

Applications:

 

IR Anti‑reflection coatings, Interference filters, multilayers