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HfO2 99.9% 3.5-5.0mm 500g - 0489475-00500G

HfO2 99.9% 3.5-5.0mm 500g - 0489475-00500G

Specifications

Coating material

Hafnium oxide

Purity

99.9%

Form

Granulate

Dimensions

3.5 - 5.0 mm

Quantity

500 g

Theoretical density at 20°C in g/cm³

9.7

Melting point in °C

2733-2783

Temperature at vapor pressure

10⁻² mbar in °C

2500

10⁻¹ mbar in °C

2700

Boiling point in °C

~ 5400

Type of evaporation

Melting

Good

Sublimation

Good

Evaporation source (typically)

E-gun

Boat

Boat material

W

Possible

Mo

Good

Specific evaporation conditions

Reactive gas pressure

Good

Substrate temperature range

100 - 200 °C

Good

200 - 300 °C

Good

Film transparency

Low

0.23

High

~ 8

Film refractive index n / extinction coefficient k

at 550 nm: n

1.90-2.07

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