Beamline 9.3.1

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User Information

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Atomic, molecular, and materials science

Endstations:

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

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