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| Bi2Se3 - Bismuth selenide |
 Bismuth selenide is a thermo-electrical material and a topological insulator. It is often used in thermoelectric generators. Besides, like bismuth telluride, it is very popular with researchers who use the surface insulating properties of these materials to develop high-performance transistors and memory devices. To adjust the characteristics of Bi2Se3 it can be doped with any elements except gases and radioactive materials. |
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| Structure | Hexagonal |
| Lattice parameters | a=4.14 , c=28.7 |
| Density | 7.51 g/ cm3 |
| Knoop microhardness | 167 N/ mm2 |
| Eg | 0.35 eV |
| Melting point | 706 °C |
| Max. single crystal diameter/length: | Ø30×30-40 mm |
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| Diameter/Width | 5-55 mm * |
| Thickness/Length | 0.1-80 mm* |
| Available dopants | any (except gases and radioactive elements) |
| Orientation | (0001) |
| Surface quality | As grown, as cut, 60/40 per MIL-0-13830 |
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| *Diameter 25-35 mm x thickness 1-2 mm is most cost-effective |
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