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Tatiana Itina

French National Centre for Scientific Research France

Prof. Tatiana E. Itina is one of the world’s leading experts in the field of laser-matter interactions and, particularly, in numerical modeling of laser ablation for numerous applications ranging from surface micro- and nanostructuring to nanoparticle synthesis, thin-film deposition, material analysis, laser-assisted plasmonic and magneto-plasmonic nanostructure formation, etc. She currently holds a CNRS research director position at the Hubert Curien Laboratory, CNRS/University Jean Monnet/University of Lyon (Saint Etienne, France), where she is also an experienced team leader. Before this, she worked at the Pennsylvania State University (USA) and at LP3 Laboratory in Marseille (France). Also, she was invited as a researcher or a research professor to the Virginia State University (USA), Australian National University (Australia), ITMO University (Saint Petersburg, Russia), and other institutions. Prof. Itina has authored more than 100 scientific publications, took part in many international conferences, initiated numerous international collaborations, and received several awards.

1books edited

2chapters authored

Latest work with IntechOpen by Tatiana Itina

Shortly after the demonstration of the first laser, the most intensely studied theoretical topics dealt with laser-matter interactions. Many experiments were undertaken to clarify the major ablation mechanisms. At the same time, numerous theoretical studies, both analytical and numerical, were proposed to describe these interactions. These studies paved the ways toward the development of numerous laser applications, ranging from laser micro- and nanomachining to material analysis, nanoparticle and nanostructure formation, thin-film deposition, etc. Recently, more and more promising novel fields of laser applications have appeared, including biomedicine, catalysis, photovoltaic cells, etc. This book intends to provide the reader with a comprehensive overview of the current state of the art in laser ablation, from its fundamental mechanisms to novel applications.

Laser Ablation

Laser Ablation

Edited by Tatiana Itina

Chapters authored

Mechanisms of Nanoparticle Formation by Laser Ablation

By Tatiana Itina

Part of the book: Laser Pulse Phenomena and Applications

Nanoparticle Formation by Laser Ablation and by Spark Discharges — Properties, Mechanisms, and Control Possibilities

By Andrey Voloshko and Tatiana E. Itina

Laser ablation (LA) and spark discharge (SD) techniques are commonly used for nanoparticle (NP) formation. The produced NPs have found numerous applications in such areas as electronics, biomedicine, textile production, etc. Previous studies provide us information about the amount of NPs, their size distribution, and possible applications. On one hand, the main advantage of the LA method is in the possibilities of changing laser parameters and background conditions and to ablate materials with complicated stoichiometry. On the other hand, the major advantage of the SD technique is in the possibility of using several facilities in parallel to increase the yield of nanoparticles. To optimize these processes, we consider different stages involved and analyze the resulting plasma and nanoparticle (NP) parameters. Based on the performed calculations, we analyze nanoparticle properties, such as mean size and mean density. The performed analysis (shows how the experimental conditions are connected with the resulted nanoparticle characteristics in agreement with several previous experiments. Cylindrical plasma column expansion and return are shown to govern primary nanoparticle formation in spark discharge, whereas hemispherical shock describes quite well this process for nanosecond laser ablation at atmospheric pressure. In addition, spark discharge leads to the oscillations in plasma properties, whereas monotonous behavior is characteristic for nanosecond laser ablation. Despite the difference in plasma density and time evolutions calculated for both phenomena, after well-defined delays, similar critical nuclei have been shown to be formed by both techniques. This result is attributed to the fact that whereas larger evaporation rate is typical for nanosecond laser ablation, a mixture of vapor and background gas determines the supersaturation in the case of spark.

Part of the book: Nanoparticles Technology

Related collaborators

Shiang-Feng Tang

Chandrasekhar Roychoudhuri

University of Connecticut , United States of America

Krzysztof Jakubczak

Werner Vandermeiren

Vrije Universiteit Brussel , Belgium

Johan Stiens

Vrije Universiteit Brussel , Belgium

Cathleen De Tandt

Vrije Universiteit Brussel , Belgium

Luis Ponce

Instituto Politécnico Nacional , Mexico

Hiroshi Katsurayama

Yamaguchi University , Japan

Kimiya Komurasaki

Yoshihiro Arakawa