Elettra-Sincrotrone Trieste S.C.p.A. website uses session cookies which are required for users to navigate appropriately and safely. Session cookies created by the Elettra-Sincrotrone Trieste S.C.p.A. website navigation do not affect users' privacy during their browsing experience on our website, as they do not entail processing their personal identification data. Session cookies are not permanently stored and indeed are cancelled when the connection to the Elettra-Sincrotrone Trieste S.C.p.A. website is terminated.
More info
OK

Reference_Lines@2.4GeV

 

Photoemission at 2.4 GeV, 150 mA in ring.


Guideline values for typical organic samples. Optimise the gap about once a week.
  Grating Slits
(micron)
Gap Photon energy (eV) Kinetic energy (eV) Step (eV) Pass Energy Typical photodiode current, microamp Calibration (eV)
VB G3 50/200 65.7 100 60-97,
80-98
0.1 or 
0.05
5 120  see Reference_line@2 GeV
C 1s G4 30/50 71.45 382 86-97 0.05 10   "
N 1s G5 30/50 78.9 495 88-95 0.05 10    "
O 1s G5 30/50 86.8 628 90-96 0.1 10    "


NEXAFS at 2.4 GeV, 310 mA in ring

  Grating Slits (micron) Gap (mm) Photon energy (eV) Step (eV) Comment Typical lifetime widths of core holes. Calibration (eV)
C 1s G4 20/20
20/30
64.4
65.0
65.4
282-295 ( Hm@287)
292-300 (Hm@297)
295-315 
0.025
0.050
0.1
Slit size depends on signal level.
If vibrational structure is expected, 10/10 may also be used.
80 meV see Reference_line@2 GeV
N 1s G5 20/20 73.2 396-410 0.05   120 meV "
O 1s G5 20/20
30/50
81.5
81.8
525-542
534-547
0.05
0.10
  150 meV "
 
Last Updated on Thursday, 06 December 2018 11:55