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| Beamline 12.2.2 |
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High-Pressure (California High-Pressure Science Observatory: Calipso)
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| GENERAL BEAMLINE INFORMATION | ||
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Operational |
Yes |
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| Proposal cycle | Proposals for General Sciences Beamlines (6-month cycle) | |
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Source characteristics |
Superbend magnet, 1.9GeV, 5.29Tesla, 500mA |
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Monochromator |
Si(111) or Multilayer |
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Energy range |
6-40 keV for Si(111), 14-28 keV for Multilayer |
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| Resolving power (E/ΔE) | Si(111) = 7000, Multilayer =100 | |
| Beam size (HxV) | Focused: 10 x 10 micron Unfocused: 90 x 100 micron |
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Scientific applications |
High-pressure science |
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| Scientific disciplines | Earth sciences, materials science, construction materials, chemistry, energy. | |
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Endstations |
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Experimental techniques |
High pressure, diffraction, x-ray imaging, XAS, laser heating |
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Local contact |
This e-mail address is being protected from spambots. You need JavaScript enabled to view it
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This e-mail address is being protected from spambots. You need JavaScript enabled to view it Advanced Light Source, Berkeley Lab Phone: (510) 495-2716
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Spokespersons |
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Fax: (510) 486-7696 |
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| Beamline phone | (510) 495-2055 | |
| Website | http://www-esg.lbl.gov/BL1222/home.htm  |
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| ENDSTATION INFORMATION | ||
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| Endstation name | Medium pressure | |
| Detector | CCD | |
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Characteristics |
Small grain sizes, weak scattering, low to medium pressures (up to 600 kbar). |
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| Beam size | 150(H) x 100(V) micron adjustble to be smaller | |
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Calculated flux (1.9 GeV, 400 mA) |
2 x 1011 photons/s through a 100-µm aperture at 20 keV with Si(111) monochromator |
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Calculated flux (1.9 GeV, 400 mA) |
6 x 1012 photons/s through a 100-µm aperture at 20 keV with Multilayer monochromator |
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Spot size at sample |
138 (h) x 71 (v) µm FWHM |
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Sample format |
Powders, liquids, and suspensions |
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Sample preparation |
Loaded into diamond anvil cells |
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Sample environment |
Diamond anvil cell, resistive heating |
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Special notes |
Endstation will be set up for high throughput with automated data collection, pressurization, and pressure measurement. |
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| ENDSTATION INFORMATION | ||
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| Endstation name |
High pressure laser heating after KB focussing of x-rays |
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| Detectors | MAR345 image plate and Bruker PT200 CCD | |
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Characteristics |
Large grain sizes, very high pressure (>1.5 Mbar) |
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Spot size at sample |
18 x 78 µm FWHM (adjustable) |
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Calculated flux (1.9 GeV, 400 mA) |
3 x 109 photons/s through a 10-µm aperture at 20 keV for Si(111) |
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Sample format |
Powders and liquids |
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Sample preparation |
Loaded into diamond anvil cells with inert gases or other pressure-transmitting fluids |
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Sample environment |
Diamond anvil cells, laser heating |
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Special notes |
Samples will be laser heated; online pressure measurement and standard spectroscopies will be available |
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More information about the California High-Pressure Science Observatory (Calipso) is available on the Beamline 12.2.2 Web site.
