Supported Spectrometers
    A: ESCALAB Eclipse (*.TAP; *.TXT)
The submenu ESCALAB Eclipse allows to load data from the Eclipse programme (ESCALAB 220 iXL), generated by the Eclipse sub-routine 'data export' in ASCII and saved with the extension *.tap or *.txt. It is possible to load up to 300 regions (see book ‘Line Positions and Data Formats – Version 2012’ 3.1).

B: ESCALAB Avantage (*.AVG)
The submenu ESCALAB Avantage allows loading data from the Avantage programme generated by the data export programme in ASCII and saved with the extension *.avg (Exporting programme: C:\VGScientific\Software\bin\ DataSpace BatchDump.exe). It is possible to load up to 300 regions. This routine allows the data transfer of single regions (e.g. C 1s, O 1s, …) but also the conversion of parameter dependent measurements into one file (e.g. angle resolved measurements, seven regions between 0 and 60 degree: C 1s_0°, C 1s_10°, …, C 1s_60°) (see book ‘Line Positions and Data Formats – Version 2012’ 3.2).

C: ESCA3 (*.TAP)
This menu option initiates the loading routine for a data format provided by special software developed for a VG ESCA3 spectrometer at the University of Leipzig. Up to twenty regions can be opened from one data file at the same time (see book ‘Line Positions and Data Formats – Version 2012’ 3.3).

D: BESSY/VSI/HHUD (*.*)
With the submenu BESSY / VSI / HHUD it is possible to load experimental data like those recorded with the EMP software from the synchrotron storage ring BESSY. Excitation energy and region name, which are not included in the data file, can be defined in a dialogue box (see book ‘Line Positions and Data Formats – Version 2012’ 3.4 – 3.6).

E: LUND/CAF/SCIENTA/KRATOS/SSI (*.*)
This menu item was developed for loading data in its simplest form - with the energy in the first and the intensity in a second column. All remaining parameters are to be provided in a separate dialogue box. Start and end channel must be given as kinetic energies increasing from start to end. The start energy is used for controlling the data format (see book ‘Line Positions and Data Formats – Version 2012’ 3.7 – 3.10).

F: PHI-5400/5600 (*.INF + *.ASC)
The software used with PHI-5400 spectrometers provides the experimental spectrum (*.ASC) and the acquisition parameters (*.INF) in two separate files. After selection of this menu option, the *.INF file will be opened. The programme searches for the *.ASC file with the same name and opens it. The specific PHI peak names are converted into usual designations during the loading process (e.g. Ag1 to Ag 3d) (see book ‘Line Positions and Data Formats – Version 2012’ 3.11).

G: PHI-545/580 (*.TXT)
The software of the PHI-545/580 spectrometers permits the export of the spectra as *.txt-files. The programme UNIFIT accepts ten regions in one file. For a correct handling of the data with UNIFIT the regions should have the usual designations (Ag 3d, Cu 2p3, …) (see book ‘Line Positions and Data Formats – Version 2012’ 3.12).

H: PHI-1600/1600C (*.CSV)
The measurement data of the spectrometer PHI-1600/1600C can be exported as ASCII data. The acquisition parameters are saved in the header of the file. The intensities of the regions are saved on the end of the file. The CSV format allows the saving of standard spectra as well as parameter dependent measurements (see book ‘Line Positions and Data Formats – Version 2012’ 3.13).

I: VGX-900 (*.1)
The software VGX-900 currently supplied with VG spectrometers produces two files for one set of data. UNIFIT accepts the measured data file in combination with a dialogue box asking for the excitation energy. The experiment name has to start with XPS (xps) or AES (aes), if the spectra are recorded with decreasing kinetic energy and with XPSREW (xpsrew) or AESREW (aesrew) in case of increasing kinetic energy. Up to ten regions can be loaded simultaneously. In case the experiment name has not the structure given above a dialogue is opened for specifying the scan direction (decreasing or increasing) and acquisition energy (BE or KE).
Parameter dependent (angle, sputter time) series of spectra collected with the VGX software can be loaded directly in the programme UNIFIT as well. Only files with the same name but consecutively numbered extensions are interpreted as batch. The extension is used by UNIFIT as batch parameter. Nine regions with 300 parameter steps (2700 spectra) must not be exceeded.
Example: The files Test.1, Test.2 and Test.5 are saved in the same directory. Loading Test.1, UNIFIT interprets Test.1 and Test 2 as batch and load all two spectra. The batch parameters are 1 and 2, e.g. the name of the O 1s region of Test.2 appears as O 1s_2, the name of the Si 2p region of Test.1 as Si 2p_1 (see book ‘Line Positions and Data Formats – Version 2012’ 3.14).

J: VAMAS (*.VMS;*.NPL)
The VAMAS format is developed especially for chemical surface analysis with XPS. It allows transferring standard spectra and parameter-dependent measuring series (depth profiles, XPD‘s,...) for further treatment.
300 single regions or series from nine regions and 300 parameter steps (i.e. 2700 spectra) can be loaded simultaneously.
Example: The angle dependent measurement of Pyrite between 0° and 79° in one-degree steps, regions: C 1s, O 1s, N 1s, Fe 2p, Fe 3p, S 2s, S 2p, O KLL and VB (see book ‘Line Positions and Data Formats – Version 2012’ 3.15).

K: NPL (*.NPL)
The current VAMAS-format was developed from the NPL-data record type. Like VAMAS, the NPL-format also contains the most important measurement data, but it is less extended than VAMAS (see book ‘Line Positions and Data Formats – Version 2012’ 3.16).

L: SPECSLAB (*.EXE)
This input routine is able to read the measurement data recorded with the programme SPECSLAB especially used by the spectrometer of the SPECS brand. Data from normal as well as parameter dependent measurements are accepted. To enable UNIFIT to interpret the data correctly, it is essential that the correct name of each region (e.g. S 2p, Au 4f7, …) is stated in the acquisition parameter box “tag:” before the spectra are recorded. Intensities are read from the data set “original:” (see book ‘Line Positions and Data Formats – Version 2012’ 3.17).

M: VSW-Tübingen (*.DAT)
This special data format was implemented into UNIFIT for a spectrometer built by VSW for the University of Tübingen (see book ‘Line Positions and Data Formats – Version 2012’ 3.18).

N: VGS2000 (*.XPS)
This input routine reads a special data format of the University of Giessen. The excitation energy is specified using a separate dialogue box. The intensities are saved as counts per second (see book ‘Line Positions and Data Formats – Version 2012’ 3.19).

O: VGS2002 (*.TXT)
This special data format is used from the research centre of Karlsruhe. In order to read correctly this special data files the energy values have to be stored as kinetic energies (see book ‘Line Positions and Data Formats – Version 2012’ 3.20).

P: SCIENTA3000 (*.TXT)
This special data format is used from the spectrometer Scienta 3000. The intensities separated in small angle regions (Number of slices) are saved in several columns. The intensities at each energy are added to one intensity value I(E) (see book ‘Line Positions and Data Formats – Version 2012’, 3.21).

Q: PHI Spectrometers/Single Spectra (*.SPE)
This special data format is used from the PHI Spectrometers (e.g. VersaProbe, Quantera, …). The acquisition parameters are saved from the line SOFH to line EOFH using the ASCII-text format. The intensity values are stored at the end of the file in single or double float format. The number of bytes of the saved intensities is four or eight times higher than the number of channels of all regions. (book ‘Line Positions and Data Formats – Version 2012’, 3.22).

R: PHI Spectrometers/Profile (*.PRO;*ANG)
Parameter dependent measurements (e.g. sputter depth profile, angle resoved measurements) recorded by PHI spectrometers (e.g. VersaProbe, Quantera, …) are saved in this special data format. The acquisition parameters as well as the batch parameters are saved from line SOFH to line EOFH using the ASCII-text format. The intensity values are stored at the end of the file in single or double float format. The number of bytes of the saved intensities is four or eight times higher than the number of channels of all regions. (book ‘Line Positions and Data Formats – Version 2012’, 3.23).
S: Focus CSA (*.DAT)
This special data format is used by the spectrometer Focus CSA (a special analyzer for high energies). Only one region will be saved. The header includes the recording parameters (e.g. start-, end- and excitation energy, step width …). The data set with five columns includes the sum spectrum [DATA] and the single scans [DATA 1, … ,[DATA 20]. The columns are: energy, intensity, three normalization values (book ‚Line Positions and Data Formats – Version 2012’, 3.24).
The file name is used as spectrum name. Additionally, a batch parameter can be defined. The input routine allows the reading of the sum spectrum or the single scans. With the selected single scans a new sum curve can be created. If single scans are loaded the spectrum name is expanded by the scan number. A spike test of the single scans can be made automatically. Optional a normalization using the values of the column 3 – 5 can be carried out.
   
T: Croissant (*.PESP)
This special data format is used by the University Basel. Only one region will be saved. The header includes the recording parameters (e.g. start-, end- and excitation energy, step width, …). The data set with eight columns includes the binding energies, the kinetic energies, the sum intensities (is loaded) and the intensities of each channeltron (book ‚Line Positions and Data Formats – Version 2012’ 3.25).

U: NEXAFS (*.DAT)
This special input routine reads data with non-equidistant step widths typical for NEXAFS measurements. Firstly the smallest step width sw of the data set will be estimated. Secondly the spectrum is converted to an equidistant form with the step width sw and a new number of data points. Intensity values not available are interpolated linearly. The x-axis will be annotated with ‘Photon energy / eV’. All necessary recording parameters (pass energy, dwell time, …) have to be inserted manually (book ‚Line Positions and Data Formats – Version 2012’ 3.26).

V: 1. Column BE decreasing / 2. Column intensity
This input routine supports the simplest form of measurement data format. The 1st column includes the values of the decreasing binding energies and the 2nd column states the intensities. All comments without a proceeding numerical code before and after the measurement data are ignored. The characters of delimitation are arbitrary (points are excluded). The decimal character must be a point. The acquisition parameters:
- Excitation energy,
- Name of region (comment),
- Dwell time,
- Number of accumulations,
- Pass energy
are to be provided in a separate dialogue box.

W: 1. Column BE increasing / 2. Column intensity
This input routine is the same as described in U but the binding energy is increasing.

X: 1. Column KE decreasing / 2. Column intensity
This input routine is the same as described in U but the kinetic energy is decreasing.

Y: 1. Column KE increasing / 2. Column intensity
This input routine is the same as described in U but the kinetic energy is increasing.