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99.999% Customized Germanium Piece


Purity

99.999%

Diameter 

Range from 1mm to 40 mm

Density

5.35g/cm3

Melting Point

947 °C

Resistance

>50 Ω

Thermal Expansion

6.0 µm/(m·K)

Thermal Conductivity

60.2 W/m·K

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Description
Germanium piece is made of high purity zone refined germanium ingot in the vacuum and clean workshop, with purity 99.999 and size range from 1mm to 40mm. Germanium is a brittle, silvery-white, semi-metallic element and is one of the few substances that expands as it solidifies from the molten state. It has the same cubic crystal structure as diamond. It has a high refractive index and is high transparency to infrared radiation. Germanium is a semiconductor and is one of the purest metals on earth (99.99999999999%).

Specifications

Grade

Foreign matter(ppm, wt)

 

Mg

Al

Si

Cr

Fe

Co

Ni

Cu

Zn

As

In

Pb

Ge 5N

0.5

0.5

4

0.9

3

0.5

0.8

1.1

2

1

0.5

0.5