Unified Data Sheet P21.1

P21.1 - High-Energy Diffraction Beamline

P21.1 is specialized in X-ray scattering and diffraction experiments on solids and liquids using high-energy x-rays.

 


GENERAL SPECIFICATIONS

techniques available
X-ray diffraction
photon source
undulator
period
number of periods
max power
29 mm
66
3 kW
source brilliance 
10 18 ph /s / 0.1% bw / mA    (max. 100mA)
polarization available
linear horizontal
energy range 
energy range: 52, 85, 100 keV fixed
beamline energy resolution
100eV at 100keV
max flux ON SAMPLE
2x1011 ph/s at 100 keV (calculated)
spot size ON SAMPLE 
1mm x 1mm
angle of incidence light – sample 
0-90°
sample type
solid or liquid

 

OPTICS

type

water cooled single bounce monochromator in horizontal Laue scattering geometry

available reflections
Si(111), Si(220) and  Si(311)
energy range         
energy range: 52, 85, 100 keV fixed
resolving power 
E/deltaE : 1x103

 

ENDSTATION(S)

Samples
Diffractometer
Diffractometer in EH1: Heavy load diffractometer & optional closed Eulerian cradle
Sample Environments  10-350 K closed cycle displex cryostat with 360° beam accesss mounted in an Eulerian cradle, 6.5-450 K displex cryostat, full access mini furnace <1300 K mountable in an Eulerian cradle, ILL high temperature furnace <2100 K in EH2, 10 Tesla magnet with He-4 variable temperature insert 1.6-300 K

DETECTOR(S)

Detection modes
Transmission 
        yes       
Refraction   
        no  
Fluorescence           
     no      
Total electron yield
        no 
Grazing incidence angle    
       no


Point Detector(s)
Type 
 Amptek CdTe-Diode
energy resolution 
 <2%
count rate 
5*104 cts/s
angular resolution  
given by slits
2theta range  
-10° ... 35° (hor) -10° ... 10° (ver)
  Field of View

max. 5 x 5 mm2

  Degrees of Freedom / Translation stages

rotation, translation

  typical collection time
0.1 - 20 s
Area Detector(s)
Type 
Perkin Elmer XRD1621 (flat panel)
  Energy resolution

none

count rate 
65 kcts/pixel
spatial resolution 
200 µm
angular resolution  
depending on setup
2theta range  
depending on setup
read-out time 
30 frames/sec
      pixel size         
200 µm x 200 µm
array size 
2048 x 2048
field of view  
410x 410 mm2
 degrees of freedom / translation stages
rotation, translation
  typical collection time
0.1s - 8 s

 

CONTROL/DATA ANALYSIS

Software type
Spock, Taurus, Python
Data output type
spectra, images, parameters such as temp., press, etc.
Data output
ascii, TIF
Software(s) for quantitative analysis
commercial/in-house

 

SUPPORT LAB

On request two support labs are available for mechnical and electronic work. An optical microscope for sample preparation can also be used.