Germanium is a gray-white metalloid, and in its pure state
is crystalline and brittle, retaining its luster in air at
room temperature. It is a very important semiconductor material.
The Ge materials Dlrow deals with:
Zone-refining Ge ingot
| Grade |
Resistivity
¦¸.cm(23¡À0.5¡ãC) |
Test monocrystal parameter |
| Carrier cm-3 |
Rate tranf. cm2/(v.s) |
| Zge-1 |
¡Ý47 |
¡Ü1.5¡Á1012 |
¡Ý3.7¡Á104
|
High purity GeO2
| Grade |
Chemical analysis |
| GeO2(% Min) |
Impurity (PPM Max) |
| As |
Fe |
Cu |
Ni |
Pb |
Ca |
Co |
Zn |
Al |
Total |
| GeO2-05 |
99.9999 |
0.1 |
0.1 |
0.01 |
0.02 |
0.02 |
0.15 |
0.02 |
0.15 |
0.1 |
1 |
| GeO2-07 |
99.999 |
0.5 |
1 |
0.2 |
0.2 |
0.1 |
---- |
0.2 |
---- |
0.1 |
10 |
