Materials science applications of Neutron Depth Profiling at the PGAA facility of Heinz Maier-Leibnitz Zentrum
作者： M. Trunk , M. Wetjen , L. Werner , R. Gernhäuser , B. Märkisch
DOI: 10.1016/J.MATCHAR.2018.09.030
关键词:
摘要: Abstract Neutron depth profiling (NDP) is a non-destructive, isotope-sensitive technique to monitor concentration profiles in almost any material matrix. Since NDP sensitive 6Li and lithium widely used for different science applications such as ceramics, optical waveguides or energy-storage systems, offers answers broad spectrum of research questions. In the present work, recently developed instrument N4DP at MLZ address two questions which are hardly accessible by conventional analytical techniques. First, homogeneity formations within niobate thin films waveguide investigated. Afterwards, accumulation inactive solid-electrolyte-interphase (SEI) silicon-graphite electrodes lithium-ion batteries studied ex situ. mass loading differs considerably between applications, new introduced mathematically separates particle signals thus allows investigate samples with high loadings.
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