Informing Spectroscopists for Over 40 Years

Surface Analysis

Pittcon 2016 Report

New spectroscopy releases at Pittcon 2016, along with links to further information.

Fast and versatile ambient surface analysis by plasma-assisted desorption/ionisation mass spectrometry

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This article tells us about another: “Fast and versatile ambient surface analysis by plasma-assisted desorption/ionisation mass spectrometry”. They show that surface analysis can greatly benefit from approaches using surface–plasma interactions and that PADI shows significant promise to become a valuable and versatile tool for this.

First use of NanoSIMS ion probe measurements to understand volcanic cycles at Yellowstone

Super-eruptions are not the only type of eruption to be considered when evaluating hazards at volcanoes with protracted eruption histories, such as the Yellowstone (Wyoming), Long Valley (California), and Valles (New Mexico) calderas in the USA. There have been more than 23 effusive eruptions of rhyolite lava at Yellowstone since the last caldera-forming eruption ~640,000 years ago, all of similar or greater magnitude than the largest volcanic eruptions of the 20th century.

G-SIMS: a powerful method for simplifying and interpretation of complex secondary ion mass spectra

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A complication and barrier to wider uptake of SIMS, especially for organic materials, is the complexity of the mass spectrum. The G-SIMS method (from gentle-SIMS) was developed to simplify the spectra and provide direct interpretation based on the physics and chemistry of the SIMS process rather than on statistical analysis techniques such as principal component analysis or library matching methods.

Secondary neutral mass spectrometry: a powerful technique for quantitative elemental and depth profiling analyses of nanostructures

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The purpose of this article is to give a comparative description of two methods applying ion-beam sputtering in materials research: secondary ion and neutral mass spectrometries (SIMS and SNMS). We shall illustrate the application of the latter by reports on a compositional analysis of perovskite oxides and on an investigation of nanoscaled multilayer structures.

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