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Tuesday, 20 October 2009 08:41 |
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Soft X-Ray Microscopy
Scientific disciplines: Magnetism, spin dynamics, x-ray optics, environmental science, materials science
| GENERAL BEAMLINE INFORMATION |
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Operational
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Yes
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| Proposal cycle |
Proposals for General Sciences Beamlines (6-month cycle) |
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Source characteristics
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Bend magnet
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Energy range
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500-1300 eV
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Monochromator
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Zone-plate linear
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Measured flux (1.9 GeV, 400 mA)
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Images with 1000 x 1000 pixels, 1000 photons/pixel recorded in 3 s at 517 eV with 0.2% BW
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Resolving power (E/ΔE)
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500-700
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Endstations
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X-ray microscope (XM-1)
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Characteristics
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Full-field soft x-ray transmission microscope
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Spatial resolution
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Typical 25 nm (best value 12 nm)
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Detectors
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Back-thinned 2048 x 2048-pixel CCD camera
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| Equipment |
Various fast electronic pulsers for spin dynamics, fast sampling oscilloscope, polarization selecting aperture
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Field of view
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15 µm single field; virtually unlimited larger areas can be tiled together like a mosaic
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Sample format
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Thin films (OD=1, for specific sample calculation see http://www.cxro.lbl.gov/optical_constants/) deposited typically on Si3N4 membrane (similar to TEM substrates) or other x-ray-transparent substrates
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Sample preparation
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Sample dependent
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Sample environment
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External magnetic fields up to 5 kOe in beam direction and 2 kOe along the sample plane; tilted sample holder for in-plane magnetized samples; He at atmospheric pressure, wet or dry
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Special notes
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Mutual indexing system with visible-light microscopy provided to position and focus sample
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| Scientific disciplines |
Magnetism, spin dynamics, x-ray optics, environmental science, materials science |
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Scientific applications
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Transmission imaging x-ray microscopy for magnetic materials (XMCD contrast), materials sciences, environmental sciences.
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Experimental Techniques
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Microscopy, Magnetic Dichroism, Timing, Ultrafast, Tomography.
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Local contact / Spokesperson
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This e-mail address is being protected from spambots. You need JavaScript enabled to view it
Center for X-Ray Optics, Berkeley Lab Phone: (510) 486-7052 Fax: (510) 486-4550
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Beamline phone number
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(510) 495-2061
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| Website |
CXRO: http://www.cxro.lbl.gov/BL612  |
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