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Beamline 9.3.1 Print
Tuesday, 20 October 2009 09:03

Atomic, molecular, and materials science

 

Endstations:

 

GENERAL BEAMLINE INFORMATION

Operational

Yes, but not open to users

Source characteristics

Bend magnet

Energy range

2320eV-5600eV

Monochromator

Double Si(111) crystal

Measured flux (1.9 GeV, 300 mA)

1011 photons/s

Resolving power (E/ΔE)

3000-8000

Beam size Adjustable with 2nd mirror
Focused: 1.0 mm x 0.7 mm (~0.5 mm square at 2800 eV)
Unfocused: 10 mm x 10 mm or larger

Endstations

X-ray absorption endstation
Polarized-x-ray emission spectrometer
Magnetic mass spectrometer
Liquid cell endstation

Local contact

Wayne Stolte
Advanced Light Source, Berkeley Lab
Phone: (510) 486-5804
Fax: (510) 495-2111

Beamline phone number

(510) 495-2094

Website http://ssg.als.lbl.gov/ssgbeamlines/beamline9-3-1

 

ENDSTATION INFORMATION

Endstation name

X-ray absorption endstation

Operational

Yes

Characteristics 3 modes: transmission, sample current, or fluorescence

Detectors

Si photodiode, 4 element Ge detector

Spot size at sample

1.0 mm x 0.7 mm

Samples

Solids, holder supports up to 12 samples of 5mm diameter

Sample environment

10-7 to 10-5 Torr

Experimental techniques

XAS, XAFS, NEXAFS

Sample handling automation Coming 2011, allow changing of up to 12 samples remotely.

Spokesperson

This e-mail address is being protected from spambots. You need JavaScript enabled to view it
Advanced Light Source, Berkeley Lab
Phone: (510) 486-7591
Fax: (510) 495-2067

 

ENDSTATION INFORMATION

Endstation name

Polarized-x-ray emission spectrometer

Operational

Yes

Characteristics

High x-ray energy resolution (E/DE ~3000). Curved-crystal Rowland-circle spectrometer

Detectors

Curved crystal spectrometer

Spot size at sample

1.0 mm x 0.7 mm

Spatial resolution ~0.45 eV

Samples

Gas phase in gas cell or solids

Sample environment

Chamber at 10-7 Torr

Experimental techniques

X-ray emission

Scientific applications RIXS

Spokesperson

This e-mail address is being protected from spambots. You need JavaScript enabled to view it
University of Nevada, Las Vegas
Phone: (702) 895-4426
Fax: (702) 895-4072

 

ENDSTATION INFORMATION

Endstation name

Magnetic mass spectrometer

Operational

Yes

Characteristics

Measures mass-to-charge ratios up to 40 (60 if short scan); resolution of 1/50

Detectors

180 degree magnetic spectrometer. 2 channeltrons, 1 total yield, 1 mass specific.

Spot size at sample

1 mm x 1 mm

Spatial resolution 1 mass in 50 amu resolution

Samples

Gases

Sample environment

Gas-phase flow system. 10-5 Torr

Sample preparation Possible microwave discharge to dissociate molecules.

Experimental techniques

Ion/anion spectroscopy

Scientific applications Partial ion yield measurements

Spokesperson

This e-mail address is being protected from spambots. You need JavaScript enabled to view it
University of Nevada, Las Vegas
Phone: (702) 895-4426
Fax: (702) 895-4072

 

ENDSTATION INFORMATION

Endstation name

Liquid cell endstation

Operational

Yes

Characteristics Mini hutch endstation, requires special training to use.

Detectors

Si photodiode

Spot size at sample

1 mm x 1 mm

Samples

Solids, liquids

Sample environment

High vacuum, heated or cooled, helium or nitrogen background gas

Experimental techniques

NEXAFS, XAFS, XAS

Spokesperson

This e-mail address is being protected from spambots. You need JavaScript enabled to view it
University of Nevada, Las Vegas
Phone: (702) 895-4426
Fax: (702) 895-4072