| |
Bi2Se3
|
Bi2Te3
|
| CAS # |
12068-69-8
|
1304-82-1
|
| Structure |
Hexagonal
|
Hexagonal
|
| Lattice parameters |
a=4.14 A, c=28.7 A
|
a=4.38 A, c=30.49 A
|
| Density |
7.51 g/cm3
|
7.85 g/cm3
|
| Knoop microhardness |
167 N/mm2
|
155 N/mm2
|
| Eg |
0.35 eV
|
0.21 eV
|
| Melting point |
706o C
|
585o C
|
| Max. single crystal diameter/length: |
Æ30´30-40
mm
|
Æ30´30-40
mm
|
| Available orientation |
(0001)
|
(0001)
|
| Available dopants |
any (except gases and radioactive elements) |
any (except gases and radioactive elements) |
| Surface quality (for polished) |
60/40, Ra<0.01 (um), Rz<0.05 (um)
|
60/40, Ra<0.01 (um), Rz<0.05 (um) |
| Application fields |
R&D, Topological insulators |
R&D, Topological insulators |
