X-ray computed tomography studies on directed self-assembly formed vertical nanocylinders containing metals for 3D LSI applications - Characterization technique-dependent reliability issues

M. Murugesan, A. Takeuchi, T. Fukushima, Mitsumasa Koyanagi

Research output: Contribution to journalArticle

Abstract

We report the experimental results of X-ray computed tomography (X-CT) of directed self-assembly (DSA) formed metal-containing nanocylinders with a width in the range of 25-30 nm. We compare the X-CT results for DSA formed metal nanowires inside deep Si trenches with those of conventional morphological characterization techniques such as scanning electron microscopy (SEM) and transmission electron microscopy (TEM). It is found that X-CT is more reliable than SEM and TEM, especially when analyzing the 3D nanometer-sized structures embedded in the organic matrix.

Original languageEnglish
Article numberSBBC05
JournalJapanese journal of applied physics
Volume58
Issue number59
DOIs
Publication statusPublished - 2019 Jan 1

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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