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

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

doi:10.1016/j.sab.2018.04.018

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

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

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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.).

Original language	English
Pages (from-to)	9–15
Number of pages	7
Journal	Spectrochimica Acta Part B: Atomic Spectroscopy
Volume	146
Issue number	August 2018
DOIs	https://doi.org/10.1016/j.sab.2018.04.018
Publication status	Published - 4 May 2018

Bibliographical note

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10.1016/j.sab.2018.04.018

Pagnotta et al. 2018
© Elsevier, 2018. This is an author-produced version of the published paper. Uploaded in accordance with the publisher’s self-archiving policy.
Accepted author manuscript, 2.64 MBLicence: CC BY-NC-ND

Cite this

Pagnotta, S., Lezzerini, M., Campanella, B., Gallello, G., Grifoni, E., Legnaioli, S., Lorenzetti, G., Poggialini, F., Raneri, S., Safi, A., & Palleschi, V. (2018). Fast quantitative elemental mapping of highly inhomogeneous materials by micro-Laser-Induced Breakdown Spectroscopy. Spectrochimica Acta Part B: Atomic Spectroscopy, 146(August 2018), 9–15. https://doi.org/10.1016/j.sab.2018.04.018

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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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Pagnotta, S, Lezzerini, M, Campanella, B, Gallello, G, Grifoni, E, Legnaioli, S, Lorenzetti, G, Poggialini, F, Raneri, S, Safi, A & Palleschi, V 2018, 'Fast quantitative elemental mapping of highly inhomogeneous materials by micro-Laser-Induced Breakdown Spectroscopy', Spectrochimica Acta Part B: Atomic Spectroscopy, vol. 146, no. August 2018, pp. 9–15. https://doi.org/10.1016/j.sab.2018.04.018

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AU - Pagnotta, Stefano

AU - Lezzerini, Marco

AU - Campanella, Beatrice

AU - Gallello, Gianni

AU - Grifoni, Emanuela

AU - Legnaioli, Stefano

AU - Lorenzetti, Giulia

AU - Poggialini, Francesco

AU - Raneri, Simona

AU - Safi, Ali

AU - Palleschi, Vincenzo

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PY - 2018/5/4

Y1 - 2018/5/4

N2 - 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.).

AB - 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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DO - 10.1016/j.sab.2018.04.018

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JO - Spectrochimica Acta Part B: Atomic Spectroscopy

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