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Beamline 9.3.2

Chemical and Materials Science, Circular Dichroism, Spin Resolution

Operational

Now

Source characteristics

Bend magnet

Energy range

30 - 1400 eV

Monochromator

SGM (gratings: 100, 600, 1200 lines/mm)

Calculated flux (1.9 GeV, 400 mA)

~1011 photons/s/0.1%BW at 400 eV

Resolving power (E/DE)

3000 typical, 8000 max (with 10-µm slits)
Capability for circularly polarized radiation

Endstations

Advanced materials chamber (AMC)
Advanced photoelectron spectrometer/diffractometer (APSD)
Users may bring their own endstations

Endstation

Advanced materials chamber (AMC)

Characteristics

PHI analyzer, sample preparation with LEED, XPS, evaporation, sputtering, precision manipulator

Spatial resolution

0.5 x 1 mm

Detectors

16-element multichannel detector, partial electron yield detector

Spot size at sample

0.5 x 1 mm

Samples

Format

UHV-compatible solids up to 10 mm in diameter

Preparation

LEED, sputtering, evaporation, quartz-crystal oscillator, XPS, large-gap in-situ magnet; heating up to 2300 K; cooling down to 200 K

Sample environment

UHV

Special notes

Sample transfer capability

Scientific applications

Studies of atomic and electronic structure of surfaces

Experimental techniques

Photoelectron diffraction, XPS, NEXAFS, MCD

Local contact/spokesperson

Name: Zahid Hussain
Affiliation: Advanced Light Source, Berkeley Lab
Phone: (510) 486-7591
Fax: (510) 486-7696
Email: zhussain@lbl.gov

Endstation

Advanced photoelectron spectrometer/diffractometer (APSD)

Characteristics

High-resolution rotatable Scienta ES200 electron-energy analyzer, rotatable in horizontal plane

Angular resolution

±1.5° or ±6.0°

Detectors

Multichannel detector and spin-resolved micro-Mott

Spot size at sample

0.5 x 1 mm

Samples

Format

UHV-compatible solids 5 - 10 mm in diameter,
1 - 2 mm thick

Preparation

LEED, sputtering, evaporation, quartz-crystal oscillator, XPS, large-gap in-situ magnet; heating up to 2300 K; cooling down to 200 K

Sample environment

UHV

Scientific applications

Studies of the atomic, electronic, and magnetic structure of surfaces, interfaces, and nanostructures

Experimental techniques

Photoelectron diffraction, high-resolution XPS, UPS, MCD

Local contact

Name: Zahid Hussain
Phone: (510) 486-7591
Fax: (510) 486-7696
Email: zhussain@lbl.gov

Spokesperson

Name: Professor C. S. Fadley
Affiliation: Material Sciences Division, Berkeley Lab
and U. California, Davis
Phone: (510) 486-5774; (916) 752-8788
Fax: (510) 486-5530
Email: csfadley@lbl.gov

Table of all beamlines