Overview
Beam line currently closed for upgrade.
Beam line 10-2 is a wiggler-based source that will split time between the rear hutch (BL10-2b), instrumented for x-ray absorption spectroscopy for in-situ/operando studies of energy-related materials with a focus on time-resolved studies, and the front hutch (BL10-2a), instrumented for wide-angle x-ray scattering. The BL10-2b hutch is equipped with integrated systems for conducting in-situ/operando thermal-heterogeneous catalysis and electro-catalysis experiments with a suite of in-situ experimental cells and product analytics for time-resolved studies. Spectra can be collected at rates up to 50 ms/XAS spectrum using the quick-scanning mode of the monochromator.
Source: 33-pole, 1.27-Tesla wiggler, ≤ 1.5 mrad acceptance
Status —
Beamline Parameters —
| Energy Range | Resolution, ΔE/E | Spot Size | Flux (photons/sec @ 12 KeV | |
|---|---|---|---|---|
| Unfocused | 5.0-22.7 keV Si(111) | 1 x 10-4 | 4 x 10 mm2 | TBD |
| 14.1-38.0 keV Si(333) | TBD | |||
| Collimated | 5.0-22.7 keV Si(111) | 1 x 10-4 | 1 x 10 mm2 | TBD |
| Focused | 5.0-22.7 keV Si(111) | 1 x 10-4 | TBD |
Optics —
| M0 Mirror | Monochromator | M2 Mirror |
|---|---|---|
| Water-cooled Rh-coated cylinder mirror for harmonic rejection and vertical collimation. Cutoff-energies at 12.65, 17.4, 23.0 keV. Mirror removable for higher energy access. | Si(111) ϕ = 90o liquid nitrogen cooled double crystal, non-fixed exit. Step-scanning, continuous scanning and quick-scanning (50 ms EXAFS) capable. | Water-cooled Rh-coated toroid mirror for vertical and horizontal focus. Spot size approximately TBD µm vertical x TBD µm horizontal. Mirror removable for collimated beam or higher energy access. |
Source —
Instrumentation —
| Detectors | Parallel plate ionization chambers 0.75 mm thick PIPS diode 24-element Ge solid-state detector (Mirion) with Xspress3 electronics Bruker Vertex 70V with external LN2-cooled MCT-A detector |
|---|---|
| Sample Stages | Stage 1: Newport Kinematic Base, Maximum Beam to Stage Distance (vertical): XX inches Stage 2: 10”x12” Breadboard with 1” grid of 1/4”-20 tapped holes, Maximum Beam to Stage Distance (vertical): XX inches |
| Process Control and Analytics | See the Co-ACCESS website for details on equipment listed below. Compressed gas hookups for user-provided ambient or high-pressure flow systems. Integrated 14-channel, 9-gas ambient pressure flow system for dual flow reactor operation with valving for modulation and vapor dosing experiments with LabView control. Portable 4-gas high pressure flow system with LabView control. Portable peristaltic pump for liquid flow. Portable Isco pump for liquid flow. Portable Biologic SP200 potentiostat for electrochemical studies. Hiden Mass Spectrometer for gas product detection. Portable Agilent 490 uGC for gas product quantification. Select gas separation methods available Portable Agilent 8890 GC for gas product quantification. Select gas separation methods available |
| Other Hardware | Filter wheels for harmonic selection Automated reference sample changer |
Sample Environment —
| Ex-situ | Helium Purge Box |
|---|---|
| In-situ | Capillary cell: 1 or 3 mm OD capillary, max 700 °C at ambient pressure, max 400 °C at 21 bar, transmission/fluorescence XAS. “Six-Shooter”: 4-sample flow-through cell for treating multiple samples under the same conditions, transmission XAS only. Flow-through, two-chamber, electrochemical cell, fluorescence XAS only. One to two chamber, batch, electrochemical cell with stirring, fluorescence XAS only. |
