Negative hydrocarbon species C2nH−: How useful can they be?

Time-of-flight secondary ion mass spectrometry (TOF-SIMS) analyzes chemical information by measuring ions generated via bombardment of an energetic ion beam on the surface of a specimen. Negative hydrocarbon ion species of C2nH− are ubiquitous in TOF-SIMS for any hydrocarbon-containing materials, bu...

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Veröffentlicht in:Journal of vacuum science and technology. B, Nanotechnology & microelectronics Nanotechnology & microelectronics, 2016-05, Vol.34 (3)
1. Verfasser: Nie, Heng-Yong
Format: Artikel
Sprache:eng
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Zusammenfassung:Time-of-flight secondary ion mass spectrometry (TOF-SIMS) analyzes chemical information by measuring ions generated via bombardment of an energetic ion beam on the surface of a specimen. Negative hydrocarbon ion species of C2nH− are ubiquitous in TOF-SIMS for any hydrocarbon-containing materials, but their utilities are perhaps not fully explored. Using polyethylene, polypropylene, polyisoprene, and polystyrene, the author demonstrates that C2nH− species possess intrinsic relationships, which offers unique TOF-SIMS ability for quantitatively differentiating the chemical structures of the four polymers.
ISSN:2166-2746
2166-2754
DOI:10.1116/1.4941725