GELEM Dipole
German-Eastern European Laboratory for Energy and Materials Research Dipole
The former RGBL Dipole beamline is now operated by the German-Eastern European Laboratory for Energy and Materials Research (GELEM). The beamline is based on a Plane Grating Monochromator (PGM); it covers wide and continuous photon energy range and is characterised by moderate flux. It ends with a fixed experimental station GELEM-PES that offers a multi-technique approach for the investigation of the electronic, chemical and structural properties of materials: X-ray photoemission spectroscopy and X-ray absorption in all possible modes (fluorescence yield, total and partial electron yields).
| Station data | |
|---|---|
| Temperature range | 110 – 300 K (measurement), 300-2300 K (sample preparation) |
| Pressure range | UHV |
| More details | GELEM-PES |
| Beamline data | |
| Segment | L16 |
| Location (Pillar) | 1.2 |
| Source | D16.1 (Dipole) |
| Monochromator | PGM |
| Energy range | 80 - 1500 eV |
| Energy resolution | up to 11000 @400 eV |
| Flux | up to 2.5 10e11 photons/s/100 mA |
| Polarisation | horizontal |
| Divergence horizontal | -- mrad |
| Divergence vertical | -- mrad |
| Focus size (hor. x vert.) | 150μm x <100 μm @500 eV, exit slit 210 µm, c = 2.25 |
| User endstation | not possible |
| Distance Focus/last valve | 820 mm |
| Height Focus/floor level | 1400 mm |
| Beam availability | 24h/d |
| Phone | (030) 8062 - 13433 |
The operation of the Russian-German Joint Laboratory at BESSY II is suspended for an undetermined period of time due to the Russian Federation's war of aggression against Ukraine. We condemn the serious breach of international law. We are concerned for all inhabitants of Ukraine and for the researchers and students affected by the war. We remain in solidarity with them.