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Beam line 6-2b is a wiggler end-station dedicated to High Resolution Hard X-ray Spectroscopy. The end station combines three multicrystal Johann spectrometers that enable X-ray Emission Spectroscopy (XES), Resonant Inelastic X-ray Scattering (RIXS), High-Energy Resolution Fluorescence Detected X-ray Absorption Spectroscopy (HERFD-XAS) and X-ray Raman Spectroscopy (XRS) techniques. The ambient pressure operation of the end-station provides high flexibility in implementing various sample environments (in-situ, cryogenic, He-atmosphere, furnaces, liquids, high pressurized cells, etc.). A dedicated LHe cryostat allows for routine low temperature measurements. End station is operating with a focused x-ray beam of ~0.15x0.4 (VxH) mm2 and a flux of 2x1013 (4x1012) when a Si(111) or Si(311) monochromator is used, respectively.
X-ray Absorption Spectroscopy
Resonant inelastic x-ray scattering
X-ray emission spectroscopy
X-ray RAMAN spectroscopy
|Main Scientific Disciplines||
|Beam Line Specifications|
Source: 56-pole, 0.9-Tesla wiggler, End Station, 1.2 mrad acceptance.
M0 mirror: Bent flat single-crystal Si, Rh coated 10-18.2 keV cutoff, vertically collimating
M1 mirror: Bent cylindrical single-crystal Si, Rh coated, standard focus
Monochromator: LN2 cooled, Si(111), ϕ = 0o , Si(311), ϕ = 0o. double-crystal.
127 μm Be
7-crystal analyzer spectrometer for XES, RXES, RIXS, IXS (available analyzers: http://www-ssrl.slac.stanford.edu/xraywiki/xraywiki.php?n=BeamLine06.AnalyzerCrystal)
40-crystal analyzer spectrometer for IXS at low momentum transfer and 14-crystal analyzer spectrometer for IXS at high momentum transfer
Detectors: Silicon-based, single element Vortex solid-state.
Cryostat: Oxford LHe cryostat (4-200 K)
Other: Integrated shutter system and variable filters to alleviate radiation damage.
Ambient pressure experiments, He chamber(s), flexibility with various in-situ setups, liquid samples, high pressure. Dedicated LHe cryostat (4-200 K).
Minimum sample requirement (in terms of concentration): Depends strongly on the technique and the scientific question. Please contact responsible scientific staff for guidance.
|Data Acquisition and Analysis||
SPEC, PyMCA, Matlab.
|Beam Line Phone||
650-926-5262. On-site Users: Contact the Duty Operator at 9-926-4040
|Beam Line Contact|
Content Owner: Ritimukta Sarangi | Last updated: 04/21/2017