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Tender Scattering Science Workshop
Monday August 16
Tuesday August 17
9:00am - 1:00pm PDT
a virtual workshop on planning the new coherent x-ray scattering beamline at the ALS
a virtual workshop on planning the new coherent x-ray scattering beamline at the ALS
The Advanced Light Source (ALS) is going through a major upgrade (ALS_U) in the next few years into a diffraction-limited storage ring, which will provide 50-100 times higher brightness than the current ALS and will enable many new capabilities. This DOE-funded upgrade project includes (among others) the construction of a new coherent x-ray scattering beamline in the tender x-ray range (1-5 keV), to be designed to utilize novel contrast mechanisms such as chemical specificity and bond orientation sensitivity at elemental edges and access non-systematic fluctuations in a broad class of materials, with a temporal resolution, down to micro-seconds. This new tool will play a critical role in addressing scientific challenges in many areas, including soft matter, energy materials, biomaterials, and geo-environmental materials.
The Advanced Light Source (ALS) is going through a major upgrade (ALS_U) in the next few years into a diffraction-limited storage ring, which will provide 50-100 times higher brightness than the current ALS and will enable many new capabilities. This DOE-funded upgrade project includes (among others) the construction of a new coherent x-ray scattering beamline in the tender x-ray range (1-5 keV), to be designed to utilize novel contrast mechanisms such as chemical specificity and bond orientation sensitivity at elemental edges and access non-systematic fluctuations in a broad class of materials, with a temporal resolution, down to micro-seconds. This new tool will play a critical role in addressing scientific challenges in many areas, including soft matter, energy materials, biomaterials, and geo-environmental materials.
As we move forward to finalize a preliminary endstation design fall 2021, we seek inputs from our user community and experts in the field. Towards this goal, we are holding a virtual workshop on August 16 and 17 that will bring together leading experts in the areas of material science and coherent x-ray scattering from universities, national labs, and other research institutions.
As we move forward to finalize a preliminary endstation design fall 2021, we seek inputs from our user community and experts in the field. Towards this goal, we are holding a virtual workshop on August 16 and 17 that will bring together leading experts in the areas of material science and coherent x-ray scattering from universities, national labs, and other research institutions.
Key characteristics of this tender scattering beamline include:
Key characteristics of this tender scattering beamline include:
(a) high coherent flux, ideal for dynamic studies using x-ray photon correlation spectroscopy (XPCS), with time resolution reaching sub-microsecond;
(a) high coherent flux, ideal for dynamic studies using x-ray photon correlation spectroscopy (XPCS), with time resolution reaching sub-microsecond;
(b) tunable energy between 1-5 keV, covering elemental K-edges of Na, Mg, Al, Si, P, S, Cl, K, Ca, Sc and Ti, and L-edges of many other elements that exist in natural and industrially important materials; novel contrast mechanisms may be exploited, such as chemical specificity, bond orientation, charger/orbital order;
(b) tunable energy between 1-5 keV, covering elemental K-edges of Na, Mg, Al, Si, P, S, Cl, K, Ca, Sc and Ti, and L-edges of many other elements that exist in natural and industrially important materials; novel contrast mechanisms may be exploited, such as chemical specificity, bond orientation, charger/orbital order;
(c) microfocus beam (~ 5 μm), enabling spatially mapping material heterogeneities;
(c) microfocus beam (~ 5 μm), enabling spatially mapping material heterogeneities;
(d) two-detector setup planned for simultaneous small- and wide-angle XPCS, covering broad length scales from angstroms to hundreds of nanometers;
(d) two-detector setup planned for simultaneous small- and wide-angle XPCS, covering broad length scales from angstroms to hundreds of nanometers;
The workshop will take place on August 16 and August 17 in a virtual format. There will be ~ 6 short invited talks plus plenty of discussions each morning.
The workshop will take place on August 16 and August 17 in a virtual format. There will be ~ 6 short invited talks plus plenty of discussions each morning.
Let us know if you'll be attending!
Let us know if you'll be attending!
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