Operational

2002

Source characteristics

Superbend

Energy range

See endstation tables

Monochromator

See endstation tables

Scientific applications

High-pressure science

Experimental techniques

Diffraction, spectroscopy, small- and wide-angle scattering.

Endstations

Nanoscience/Materials Chemistry
Solid-State Physics/Geoscience

Characteristics

Small grain sizes, weak scattering, low to medium pressures (up to 600 kbar).

Energy range

6–40 keV

Monochromator #1

Double-crystal Si(111)

Calculated flux (1.9 GeV, 400 mA)

2 x 10¹¹ ph/s through a 100-µm aperture at 20 keV

Resolving power (E/DE)

7000

Monochromator #2

Multilayer

Calculated flux (1.9 GeV, 400 mA)

6 x 10¹² ph/s through a 100-µm aperture at 20 keV

Resolving power (E/DE)

100

Spatial resolution

20 µm

Detectors

Mar345 imaging plate and MarCCD

Spot size at sample

138 (h) x 71 (v) µm FWHM

Samples

Format

Powders, liquids, and suspensions

Preparation

Loaded into diamond anvil cells

Sample environment

Diamond anvil cells

Special notes

End station will be set-up for high throughput with automated data collection, pressurization and pressure measurement.

Local contact

Name: Simon Clark
Phone: (510) 495-2442
Fax: (510) 495-2067
Email: smclark@lbl.gov

Spokespersons

Name: Paul Alivisatos
Affiliation: Univ. of California, Berkeley
Phone: (510) 643-7371
Fax: (510) 642-6911
Email: alivis@uclink4.berkeley.edu

Name: Howard Padmore
Affiliation: Advanced Light Source, Berkeley Lab
Phone: (510) 486-5787
Fax: (510) 486-7696
Email: hapadmore@lbl.gov

Characteristics

Large grain sizes, very high pressure (>1.5 Mbar)

Energy range

6–40 keV

Monochromator

Double-crystal Si(111)

Calculated flux (1.9 GeV, 400 mA)

3 x 10⁹ ph/s through a 10-µm aperture at 20 keV

Resolving power (E/DE)

7000

Spatial resolution

20 µm

Detectors

Mar345 imaging plate and MarCCD; ion chambers and solid-state detectors will be available for XAS measurements

Spot size at sample

18 x 78 µm FWHM (adjustable)

Samples

Format

Powders and liquids

Preparation

Loaded into diamond anvil cells with inert gases or other pressure-transmitting fluids

Sample environment

Diamond anvil cells

Special notes

Samples will be laser heated; online pressure measurement and standard spectroscopies will be available

Local contact

Name: Simon Clark
Phone: (510) 495 2442
Fax: (510) 495 2067
Email: smclark@lbl.gov

Spokespersons

Name: Raymond Jeanloz
Affiliation: Univ. of California, Berkeley
Phone: (510) 642-2639
Fax: (510) 643-9980
Email: jeanloz@uclink.berkeley.edu

Name: Howard Padmore
Affiliation: Advanced Light Source
Phone: (510) 486-5787
Fax: (510) 486-7696
Email: hapadmore@lbl.gov