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Ge 99.999% 0.7-3.5mm 500g - 0481084

Quantity

100 g500 g

Ge 99.999% 0.7-3.5mm 500g - 0481084

Specifications

Coating material

Germanium

Purity

99.999%

Form

Granulate

Dimensions

0.7 - 3.5 mm

Quantity

500 g

Theoretical density at 20°C in g/cm³

5.4

Melting point in °C

938

Temperature at vapor pressure

10⁻² mbar in °C

1360

10⁻¹ mbar in °C

1520

Boiling point in °C

2833

Type of evaporation

Melting

Good

Evaporation source (typically)

E-gun

Directly from Cu crucible

Good

Liner material

W

Good

Boat

Boat material

W

Possible

Mo

Good

Specific evaporation conditions

Preparation of base melt (premelt)

Good

Low residual pressure

Good

Substrate temperature range

100 - 200 °C

Good

Film transparency

Low

1.7

High

23

Film refractive index n / extinction coefficient k

at 550 nm: n

~ 4.3-4.4(1.7 µm)

at 10 µm: k

~ 4.0-4.1(10 µm)

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