Dynamic SIMS - CasaXPS

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CasaXPS Manual 2.3.15 Rev 1.0 Copyright © 2010 Casa Software Ltd within each VAMAS block to be visualized with a similar perspective of intensity as that seen in an overlaid plot of the data. The following display shows two rows of VAMAS blocks after scaling with respect to the tile with heading 43. The Page Tile Format dialog window provides the means of adjusting the number of tiles per row and the Tile Display Parameter dialog window offers display settings for switching the tile display to those seen. The organization of the VAMAS blocks in the scrolled list means that paging down the scroll list effectively scrolls through the mass range in the spectrum being displayed. The enhanced Page Tile Format window provides the means of changing the number of tiles per scroll position in the left-hand pane of the experiment frame. 46
CasaXPS Manual 2.3.15 Rev 1.0 Copyright © 2010 Casa Software Ltd To display the VAMAS blocks without an x-axis, the Tile Display Parameters dialog window is used. Profiling Features for ToF data Figure 28 ToF Mass Spectrum displayed using Time Bins. Data provided by Prof. Winograd, Pennsylvania State University, USA. ToF MS is often categorized according to the method for generating the ions from the sample. The data in Figure 28 is an example of Secondary Ion Mass Spectrometry SIMS, where the ToF technique is used to separate ions with different mass-to-charge ratio following exposing the sample to a focused beam of ions from an ion gun. Since the beam from the ion-gun can be scanned across the sample surface, ToF data may be collected over a set of points on the sample. Knowledge of where on the sample a time event was recorded allows the spectral data in Figure 28 to be assigned to pixels in mass resolved images as seen in Figure 29. These images in Figure 29 correspond 47
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Dynamic SIMS - CasaXPS

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