XM - X-ray Microscopy
X-ray Microscopy
The full-field transmission X-ray microscope (TXM) is operated at the U41 undulator PGM beamline in the soft and tender X-ray range using partially-coherent object illumination. This setup allows for high resolution images of cryogenic thick biological specimens with 3-D resolution around 30 nm (half-pitch). Additionally, due to the high energy resolution spatially-resolved NEXAFS studies (NEXAFS-TXM) for material and energy sciences are possible. An incorporated fluorescence light microscope records fluorescence, bright field and DIC images of cryogenic samples (cells).
Anwendungsbeispiele:- X-ray nano-tomography of cells and porous materials
- NEXAFS-TXM (spectro-microscopy) of nanoscale materials
- In-situ investigation of catalytic materials
- Electromigration and stress migration in semiconductors
- Dichroism in materials
Methods
Fluorescence Imaging, X-ray Microscopy, X-ray Tomography, EXAFS, NEXAFS
Remote access
depends on experiment - please discuss with Instrument Scientist
| Beamline data | |
|---|---|
| Energy range | 180 - 1800 eV (soft X-ray range) & 700 - 2800 eV (tender X-ray range) |
| Energy resolution | up to 10000 |
| Flux | up to 4·1012 photons/sec @100 mA and 20 μm exit slit for cff = 2.25 directly after the exit slit |
| Polarisation | horizontal |
| Focus size (hor. x vert.) | 220 µm in exit slit |
| Phone | +49 30 8062 12110 |
| Weitere Details | U41-TXM |
| Station data | |
| Temperature range | 100 K to room temperature |
| Pressure range | samples under vacuum |
| Detector | Thinned, backside illuminated CCD, 1340 pixel x 1300 pixel (Roper Scientific PI SX1300) |
| Manipulators | Goniometer - CompuStage (FEI) |
| Sample holder compatibility | Every FEI-CompuStage compatible holder could be used - but be careful: the sample holder orientation is rotated by 90° |
| Additional equipment | • Tomography capability: tilt range -80 – +80 degree
• Incorporated fluorescence light microscope with LD objective (NA = 0.75) • Preparation Lab: BioLab (restricted access) safety level S1; incubator; plasma cleaner; plunge freezer; fluorescence light microscope LEICA DMI6000B; cryo light microscopy stage |
Bitte besuchen Sie die Englisch-sprachige Seite für mehr Details über "X-ray Microscopy" besuchen.