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Creation of Parameter-Resolved Experiment items from set of spectra

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Creation of Parameter-Resolved Experiment (PRE) items from set of spectra

Imagine you have maesured set of spectra manually that differs in e.g. polar angle. You can import spectra to KolXPD and convert them into one angle-resolved PRE item.

Spectra in PRE items can be processed and displayed together quickly and easily. All spectra can be fitted with same fit function and fit results can be displayed in graphs. 2D angle-resolved experiments can be displayed as image maps of intensity in polar coordinates, e.g. XPD diffraction patterns. Band-mapping experiments can be displayed as image of intensity in binding energy versus angle/primary energy coordinates. 2D angle band-mapping can be displyed also in k-space coordinates.

How to make conversion:

  1. Import spectra and prepare them in dedicated folder and in appropriate order.
  2. Select the folder (or select desired spectra at once) and than right-click to invoke context-menu. Click on Convert to prm-resolved experiment ... item.
  3. Conversion window will be opened. Fill in all fields according your experiment. Informations and erros are displayed at the bottom.
  4. X axis range: All spectra should have similar X axis (Ekin or Ebin) range. Conversion window will automatically determine common interval and finest step. Values can be altered in fields Start, Step, End at the right-top in Axes/Units in item data panel.

 

Aktualizováno Středa, 22 Únor 2012 21:51  

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