SNMS secondary neutral mass

Resonant and non-resonant laser post-ionization of sputtered uranium atoms using SIRIS (sputtered initited resonance ionization spectroscopy) and SNMS (secondary neutral mass spectrometry) in one instrument for the characterization of sub-pm sized single microparticles was suggested by Erdmann et al.94 Resonant ionization mass spectrometry allows a selective and sensitive isotope analysis without isobaric interferences as demonstrated for the ultratrace analysis of plutonium from bulk samples.94 Unfortunately, no instrumental equipment combining both techniques is commercially available. 

Fig. 1.8 Possibilities for spectroscopic research in catalysis (for abbreviations, see Fig. 1.7). AFM Atomic force microscopy ESR Electron spin resonance RBS Rutherford backscattering SNMS secondary neutral mass spectrometry.

SNMS secondary neutral mass spectrometry sputtered neutral mass spectrometry... 

Fig. 15a, b. Formation of a double layer on SiBNsC after heat treatment in air a SNMS (secondary neutral mass spectra) of the surface of SiBNsC powder, oxidized at 1500 °C in air (erosion rate 2 pm in 3000s) b scanning electron micrograph of an oxidized SiBNsC fiber (1500 °C, 50 h in air)... 

Sputtered Neutrals Mass Spectrometry Secondary Neutrals Mass Spectrometry Direct Bombardment Electron Gas SNMS... 

Electron-impact (El) Secondary Neutral Mass Spectrometry (SNMS)... 

H. Oechsner. Secondary Neutral Mass Spectrometry (SNMS) Recent Methodical Progress and Applications to Fundamental Studies in Particle/Surface Interaction. Int. J. Mass Spectrom. Ion Proc., 143(1995) 271-282. 

Figure 2.30 a) Principles of a secondary ion source b) Schematic diagram of an ion source of a secondary neutral mass spectrometer (SNMS). (J. S. Becker and Id. J. Dietze, Int. J. Mass Spectrom. Ion. Proc. 197, 1-35. (2000). Reproduced by permission of Elsevier.)... 

For quantitative interstellar dust analysis in the sub-pm range, a new secondary neutral mass spectrometer on the basis of a ToF-SIMS has been developed by Henkel et al.u The authors successfully combined a ToF-SIMS based upon the BIOTOF design15 with a laser SNMS to analyze... 

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