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SSRL - BL4-3

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Beamline Name BL4-3
Primary Contact: NameMatthew Latimer
Secondary Contact: NameErik Nelson
Status DetailsOpen
%Time Available (general use)100
ExperimentsXAFS, EXAFS
Experiments DetailsBeam line 4-3 is a wiggler side-station beam line for X-ray absorption spectroscopy and EXAFS measurements. This station enables tender X-ray measurement (S K-edge and up) and is setup with a He flight path from the beam line optics to the sample. The beam is collimated and unfocused to allow for high energy-resolution measurements on homogenous samples. 4-3 is equipped with a 4-element solid-state Si drift detector in addition to ionization chambers, PIPS and Lytle detectors. A liquid He cryostream allows for low-temperature measurements. A motorized sample holder stage allows sequential measurement on multiple samples without sample changeover delays.
Source Details20-pole, 2-Tesla wiggler
Spot Size (mm): Width20
MonochromatorLiquid nitrogen-cooled double crystal, non-fixed exit slit.
Crystal TypeSi(111)
MirrorsVertically collimating, flat, bent, 1.0 m, Si, Ni-coated, cutoff variable 4.5 to 14.5 keV
Flux(PHOTONS/SEC)1 x 10^12
Flux Details
Wavelength Range (Å)info not available
Energy Range (keV)2.4 - 14.5
Detector: TypeIonization chambers, PIPS, Lytle, Hitachi HTA 4-element solid-state Si drift detector, electron-yield detector.
Detector: Model
Detector: Activated for Serviceinfo currently not available
Detector: Removed from Service
Lab FacilitiesSample preparation laboratory, cold room, glove boxes
Software: NameXASCollect, Xasscan, EXAFSPAK, SixPAK
Software: ClassificationControl/data collection, Processing, Analysis