The catalogue of European Lightsources
FAQ
Synchrotrons Fels Lasers
SESAME
ID11-HESEB

The HESEB beamline was designed to range the photon energies from about 90 eV to 1800 eV. An Apple II type Undulator is used as the photon source, and a Plane Grating Monochromator (PGM) is used as the photon dispersing tool. In addition, HESEB beamline contains a beam splitter unit placed just after the PGM that enables to build of a second brunch that can work in the same photon range interchangeably as the ID11-right brunch. Finally, the HESEB analysis chamber contains a fluorescence detector and can make total electron yield measurements with a motorized manipulator. 

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Beamline Energy Resolution
4 * 101 [meV] @ 400 [eV]
Beamline Resolving Power
1 * 104 [deltaE/E] @ 400 [eV]
Beamline Energy Range
90 - 1600 [eV]
Photon Sources

UE56-SESAME

Type
Undulator
Variable Polarization
Yes
Energy Range
70 - 2000 [eV]
Number Of Periods
30
Period
56 [cm]
Note
Apple II type
Monochromators

Planer Grating Monochromator

Energy Range
70 - 1600 [eV]
Type
Planer Grating Monochromator
Resolving Power
1 * 104 [deltaE/E] @ 400 [eV]
Number Of Gratings
2
Grating Type
400 grove/mm
1200 grove/mm
Pre-focusing Mirror Type
Sagittal Cylinder Mirror, 30nm Au over 10nm Ta on Si 100
Refocusing Mirror Type
Toroidal Mirror, 30nm Au over 10nm Ta on Si 100
Endstations or Setup

HESEB End Station

Description
HESEB Analyze chamber has a special entrance that gives the option to install an elliptical focusing capillary that can focus the beam down to 20x20 µm2. In addition to capillary, the pumping unit and gate valve with a particular window between the beamline and analyzes chamber allow analysis at low vacuum, under He atmosphere. With the help of that design, cultural heritage samples, sensitive to high vacuum can be analyzed in the HESEB
Spectrometer
Bruker XFlash 630S detector for fluorescence yield measurement
Keithley 8485 picoammeter for electron yield measurement
Base Pressure
5 * 10-9 [mbar]

Sample

Sample Type
Powder, Other: Thin Film, Bulk Solid
Mounting Type
Mechanical attachment or Adhesion of the sample on flag type sample holder
Required Sample Size
X = 1 [mm], Y = 1 [mm]

Manipulator or Sample stage

Description
Motorozied
Degrees Of Freedom
4
Translator Stages
3
Positioning Precision
X = 500 [nm], Y = 500 [nm], Z = 500 [nm]
Range Of Movement
X = 25 [mm], Y = 25 [mm], Z = 1000 [mm]

Sample Holders

Type
Stainless Steel
Description
Flag Style Sample Plate, size 12x12 mm2
Degrees Of Freedom
3
Detectors

Fluorescence Detector

Type
Bruker XFlash 630S detector
Description
Fluorescence Yield Detector

Detection

Detected Particle
Photon

Picoammeter

Type
Keithley 8485 picoammeter
Description
Total Electron Yield

Detection

Detected Particle
Electron
contacts
Mustafa Fatih Genisel
Techniques
Absorption
  • EXAFS
  • XMCD
Imaging
  • Fluorescence imaging
Disciplines
Chemistry
  • Atoms, molecules, clusters and gas-phase chemistry
  • Catalysis
  • Electrochemistry
  • Green Chemistry
  • Physical Chemistry
Earth Sciences & Environment
  • Geology
  • Mineralogy
  • Water sciences/Hydrology
Energy
  • Sustainable energy systems
Engineering & Technology
  • Nanotechnology & production processes
Humanities
  • Arts
  • Cultural Heritage
  • History
Material Sciences
  • Knowledge based multifunctional materials
  • Metallurgy
  • Technique Development - Material Sciences
Physics
  • Hard condensed matter - electronic properties
  • Surfaces, interfaces and thin films
Address
Synchrotron-light for Experimental Science and Applications in the Middle East (SESAME)
Next to Princess Rahma University College P.O. Box 7, Allan 19252, Jordan
control/Data analysis
Control Software Type
  • EPICS
Data Output Type
  • CVS
Data Output Format
  • CVS

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