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Useful tools and links

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Dimar Spectra

Icon of the program

A tool for modelling of XPS peak positions, can be found on the desktop of the measurement PC.

hv, list of elements and work function -> peak positions on kinetic energy scale.

Modeled "intensities" correspond to tabulated ionization cross-sections.

Click on one peak to show information.

Click on one peak, then on another one while holding Shift -> get energy distance.

To see lines of all possible elements, write "all" in the list of elements.

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Temperature log

On the desktop of the right PC there is an Igor experiment called "T log v ... .pxp" that can plot temperatures A and B of the cold finger and sample in real-time.

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BL energy resolution from hv and BL exit slit

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Generate XY polar corrections file

You can generate XY polar corrections manually. To do this you need to know the coordinates of a one good spot on the sample and the coordinates of the center of manipulator rotation (one needs to them once precisely and then they should not change until next dismounting or recalibration of manipulator). This functionality is included in the current version of MultiAx, but in certain cases Igor version can be useful. It saves generated file in the "saves" folder of MultiAx from where it can be loaded into MultiAx. More info can be found .

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Center of rotation for XY corrections from N points

  • Make a precise manual XY correction, saving several snaps (minimum 2). Ideally use a small sample or some small feature that you can easily identify (e.g. corner of the sample). Mainly the polar range and precision of each snap influence the precision of the fitting result.

  • Save snaps as an ._xy file.

  • Use command LoadXY() to load table of (p,x,y) values from the ._xy file as waves (wp,wx,wy).

The results of the fit will be printed in the command line and circle in the figure should be updated.

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Visualize 2D scan

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Links

Use command Calculate(wx,wy,wp)

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39KB
Calculate_BL_Resolution_v1.pxp
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Small Igor script
calculate
here
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2MB
DiMar_PolarCorrection2.pxp
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Generates a file with XY corrections
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90KB
MNK_Circle_Fitting_light_3.pxp
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Igor script that allows to load ._xy file with manual corrections and get a new center for automatic ones
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2MB
CircleFit.pdf
PDF
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Description of the method can be found here
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824KB
2D_scan_4d_v0.pxp
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User interface of Infosystem - BESSY IIinfosystem.bessy.dechevron-right
Infosystem (one can see all info messages at once here)
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Helium recoveryinfosystem.bessy.dechevron-right
Graph of helium gas consumption (red) and purity (blue). See data for column 14.2.
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https://www-csr.bessy.de/opi/www-csr.bessy.dechevron-right
Various status panels of BESSY II
https://www-csr.bessy.de/webopi/ws?opi=BESSY-Status.opiwww-csr.bessy.dechevron-right
BESSY II Status