By the same authors

Fast quantitative elemental mapping of highly inhomogeneous materials by micro-Laser-Induced Breakdown Spectroscopy

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Author(s)

  • Stefano Pagnotta
  • Marco Lezzerini
  • Beatrice Campanella
  • Gianni Gallello
  • Emanuela Grifoni
  • Stefano Legnaioli
  • Giulia Lorenzetti
  • Francesco Poggialini
  • Simona Raneri
  • Ali Safi
  • Vincenzo Palleschi

Department/unit(s)

Publication details

JournalSpectrochimica Acta Part B: Atomic Spectroscopy
DateAccepted/In press - 27 Apr 2018
DatePublished (current) - 4 May 2018
Issue numberAugust 2018
Volume146
Number of pages7
Pages (from-to)9–15
Original languageEnglish

Abstract

In this work, a fast method for obtaining a quantitative elemental mapping of highly inhomogeneous samples by µ-LIBS maps is proposed. The method, transportable and cheap, allows the analysis of large maps through the use of a Self-Organizing Map clustering method coupled to Calibration-Free LIBS for quantification of cluster prototypes. The method proposed has been verified on heterogeneous materials such historical lime mortars but it can be easily applied to a larger class of inhomogeneous materials for very different applications (modern building materials, biological samples, industrial materials, etc.).

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© Elsevier, 2018. This is an author-produced version of the published paper. Uploaded in accordance with the publisher’s self-archiving policy.

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