Beamline 28-BM

  • General Information
    • Source Type
      Three Pole wiggler


      General User Beamtime

      Energy Range Category
      Hard X-Ray (1-50 keV)

      Energy Range
      6-25 keV

      Beamline Type
      Participating Research Team (PRT)

      Beamline Description
      In Situ X-ray diffraction (IXD) is a diffraction beamline optimized in the medium x-ray energy range ( 6 – 25 keV ), with emphasis on in situ powder diffraction measurements, in the sub-minute time scale , to study structural, morphological and chemical transformations under various conditions.

      X-ray Diffraction, Powder
      X-ray Diffraction, Single Crystal
      X-ray Diffraction, Time Resolved
      X-ray Reflectivity

      Research Types
      Structural characterization of advanced energy materials. In situ XRD studies on the chemical reactions, phase transitions and morphological evolution under various conditions.

  • Contact Information
    • Spokesperson The person from each beamline who acts as a contact point between the beamline management and NSLS administration. Contact for questions about the beamline scientific program, experimental capabilities, and beamline management.
      Jianming Bai, Brookhaven National Laboratory,, 344-2583

      Local Contact The beamline staff member who is typically responsible for overseeing the daily operation and maintenance of the beamline. Contact for questions about beamline instrumentation, experimental details, and training.

      Beamtime Scheduler The beamline staff member responsible for coordination of beamline schedule every trimester. Contact for questions about beamtime scheduling.

      Beamline Phone

  • Instrumentation
    • Beamline Characteristics

      Energy RangeMono Crystal or GratingResolution (ΔE/E)FluxSpot Size (mm)Total Angular Acceptance (mrad)
      6 - 25 keV Si (111) < 5 x 10 -4 1 x 1012 1 mm x 0.5 mm 2 mrad

      Source Type
      Three Pole wiggler

      Optical System
      Focusing mirror, Sagittal focusing monochromator

      Experimental Apparatus
      Si strip detector Perkin Elmer 2D detector Six-circle Huber Diffractometer High temperature furnaces

  • Links