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Raman image data is summed on a pixel-by-pixel basis. Transforming spectra-at-pixels to a set of images incremented in energy is used to sum intensity dispersed spatially from two Raman spectroscopic data sets representing stage maps. Profiling image statistics results in spectra representative of the mean, the standard deviation , minimum intensity and maximum intensity, plotted as a function ...

Propagation of peak-models and regions is illustrated in the video, where the result of these actions is a consolidated quantification report constructed from all VAMAS files involved in the process. The video further illustrates how to work with data saved in the directory structure used by Thermo Avantage instruments. The .oth filter available on the Convert to VAMAS file Dialog Window is use...

Sometimes it is useful to profile the characteristics of components in a peak model by means other than peak area. In this video, the apparent binding energy for metal and oxide peaks is profiled using the Tag Defined Report option on the Custom Report in CasaXPS. The example chosen demonstrates that, a thin oxide film on a metal substrate, when measured by floating the sample and making use of...

Spectra measured from different samples, saved in the same VAMAS file, are rearranged to create three new VAMAS files in which data from three samples are saved separately. The experimental variable for each of these new VAMAS files is converted to elapse time between measurements.

Construction of a peak model for Mo 3d, S 2s and S 2p is performed by first constructing two peak models, one for Mo3d/S2s and the second for S2p spectra. The data and the peak models are combined into a single irregular step-sized spectrum, which permits relational constraints to exist between S 2s and S 2p components, for example. More details about the data used in the video can be seen in t...

A peak model, constructed using asymmetric line shapes for Pt 4f and Voigt line shapes for Cu 3p, with sufficient constraints applied to optimisation parameters, is evaluated using a tool on the Calculator property page of the Spectrum Processing Dialog Window in CasaXPS.

Techniques used to construct a peak mode are illustrated in this video. Data acquired using an area scan, in which 16 locations on a sample are measured, are used to develop a peak model. The primary component in the peak model corresponds to C 1s photoemission from carbon black. However, at different locations on the sample, variation in oxides make possible the construction of a peak model wi...

In this video, the options used to construct from simple ASCII files the element library format used by CasaXPS. A simple text file format that lists information consistent with Ulvac PHI sensitivity factor tables is presented.

The steps in CasaXPS previously required to prepare a Line Shape from Data are now simplified through the use of a new toolbar button. In this video, the management and creation of a line shape from data is illustrated. www.casaxps.com/CasaXPSx64/downloadWin64.htm

www.casaxps.com/CasaXPSx64/downloadWin64.htm A new version of CasaXPS alters the behaviour of the Test Data, Quant Scale button on the Spectrum Processing dialog window. If a peak model is also defined on the VAMAS blocks selected, then the peak model is scaled in proportion to the regions intensity adjustment.

The Cut button on the Quantification Parameters, Components property page, deletes the selected component, only if there are no other components for which relational constraints are linked to the component to be deleted. This video illustrates how to remove relational constraints within a peak model to allow a component to be removed.

An example of S 2p, in which it is proposed that two sets of doublet peaks are required to obtain a physically significant fit of a peak model to data, is presented in this video. After initial construction, the fit of the peak model to S 2p is examined using the Test Peak Model button on the Components property page of CasaXPS.

This video illustrates the importance of using the element library to create regions of components directly, whenever reporting mass concentration.

Managing the display of peak models constructed from line shapes derived from data is illustrated in this video. In particular, scaling the display of data to allow for a background definition that is Zero is described herein.

V Foil: Using Peak and Background Signal to Explore In-Depth Information in XPS Spectra

V Foil Part4: Peak Model using Metallic Line Shape from Data

VFoil Part3: An initial Inspection of Data using a Peak Model

Native Oxide on V Foil Part2

Native Oxide on V Foil Part1

Ni Oxide Sputter Experiments Part1

Ni Oxide Sputter Experiments Part2

Data Analysis of Alloy: Part 6 : Exploring Ni 2p Doublet Spectra for Metallic Phase Nickel

Preserving Display State between CasaXPS sessions

Data Analysis of Alloy: Part 1

Data Analysis of Alloy: Part 2

Data Analysis of Alloy: Part 3

Data Analysis of Alloy: Part 4

Data Analysis of Alloy: Part 5

Display Shortcut Toolbar Buttons: VAMAS Block Selection Options