SAM (Small-Angle Modular Spectrometer) : A SANS CRG at the ILL


The LLB has proposed the construction of a new middle-size SANS instrument at the ILL in the framework of the major upgrade program Endurance2. The CRG will be operated by LLB and it is planned that 50% of the beam time will be available through 2FDN proposal calls. The start of installation of the SAM CRG is scheduled for 2022.

Short description : SAM will be a SANS instrument running with a standard monochromatic mode for the studies of samples with fluctuations of typical sizes varying from the nanometer scale to few hundred nanometer. A polarized beam option and high magnetic fields (up to 10 T at the sample position) will facilitate studies of magnetism. A Modulation of Intensity Emerging with Zero Effort (MIEZE) option will either yield (i) the sample’s intrinsic dynamics by a measurement of the intermediate scattering function S(q,τ) with a few 10ns time-resolution, or (ii) a time-dependent dynamics stimulated by periodic constraints with characteristic frequencies varying from 0 to several MHz.

Applications

  • Soft condensed Matter
  • Biology
  • Magnetism
  • Material science

Characteristics

  • Monochromator : Astrium velocity selector, ∆λ⁄λ 12%
  • Collimator : 7m length , 3 guide sections 30*30mm2, and sizable slits
  • Sample stage equipped with X-Y-Z translations, rotations, double goniometer…
  • Detection : 7m tank, Monoblock Multitube detector 3He, 64*64cm2, 5*5mm2 pixels

Options

  • Polarized neutrons
  • Modulation of Intensity Emerging with Zero Effort (MIEZE)
  • 10B detector Time Of Flight 10*10cm2




Agenda

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