Software: Avantage Xps
X-ray Photoelectron Spectroscopy (XPS) is the gold standard for surface characterization, capable of revealing the elemental composition and chemical state of materials. However, a high-resolution spectrum is only half the battle. The true value lies in the data processing and interpretation. This is where enters the picture.
The true strength of Avantage lies in its analytical suite. Once your survey spectra (typically acquired at high pass energies like 200 eV) are captured, the software offers several critical tools:
: The software controls the X-ray source, the hemispherical analyzer, and the sample stage. avantage xps software
: Create chemical maps of a sample surface to visualize the distribution of different elements or chemical states.
Traditional fitting requires users to manually set peak positions, widths, and area constraints. Avantage introduces Smart Peaks —a library containing thousands of experimentally derived peak shapes for different chemical states (e.g., C1s in adventitious carbon, oxide vs. metal peaks). This reduces user bias and dramatically speeds up analysis. X-ray Photoelectron Spectroscopy (XPS) is the gold standard
Select a region (e.g., Si 2p). Drag a "Smart Peak" from the library onto the graph. The software automatically proposes peak parameters. You can then lock constraints (e.g., keeping FWHM equal for spin-orbit pairs) before running the fitting algorithm.
The journey of data in Avantage begins with the module. This interface allows the user to define the parameters of the experiment. Users can select elements of interest, define pass energies (which determine the resolution of the scan), and set dwell times. This is where enters the picture
: Always check your software version (e.g., v. 5.96) and report it in your experimental section to ensure your methodology can be replicated by other researchers.
: Identify elements and calculate atomic percentages with built-in sensitivity factors.