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Nanomaterials
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Engineering of Advanced Functional Nanomaterials by Laser, Plasma and Radiation-Assisted...
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Engineering of Advanced Functional Nanomaterials by Laser, Plasma and Radiation-Assisted Techniques

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Synthesis, Interfaces and Nanostructures".

Deadline for manuscript submissions: 31 July 2026 | Viewed by 5796

Special Issue Editors

Dr. Nicu Doinel Scarisoreanu

E-Mail Website
Guest Editor
INFLPR, C400 PHOTOPLASMAT, Campus Magurele, 077125 Magurele, Romania
Interests: laser processing; thin films; materials science; ferroelectrics; sensors
Special Issues, Collections and Topics in MDPI journals
Dr. Catalin-Daniel Constantinescu

E-Mail Website
Guest Editor
Aix-Marseille Université, CNRS, LP3 UMR 7341, 13009 Marseille, France
Interests: laser-induced forward transfer (LIFT); laser processing; thin films; surface structuring
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are running a Special Issue of MDPI's journal Nanomaterials. As Guest Editors, we invite you to submit a manuscript for consideration and possible publication in this Special Issue, which is entitled “Engineering of Advanced Functional Nanomaterials by Laser, Plasma and Radiation-Assisted Techniques”.

The use of laser, plasma, and radiation processing techniques to obtain micro-/nanomaterials or to design their functionalities is more popular than ever. The wide range of micro-/nanomaterials obtained or processed via techniques such as pulsed-laser deposition, laser ablation in liquids, laser-assisted cluster generation, laser-induced forward transfer, laser-induced periodic surface structures, laser dewetting, or laser pyrolysis has opened the way to a plethora of applications of these laser-processed and laser-engineered/-designed materials. Using laser-based techniques for the fine-tuning of advanced materials’ functionalities, it is possible to go beyond the state of the art in these applications. The possibility of tailoring the different functional properties of materials to the single-step stoichiometric or non-stoichiometric synthesis of nanostructures is among the unique features of laser-based techniques. Thus, this Special Issue will cover relevant experimental and theoretical aspects of new technologies in this field for their applications to the following topics:

  • Laser, plasma, and radiation processing in materials science and advanced functional materials: ferroics and multiferroics, metallic materials, alloys, polymers, biomaterials, ceramics, glasses, oxides, oxynitrides, nitrides, and carbonic nanostructures;
  • Strain-mediated functionalities in thin films, multilayered structures, nanomaterials, and composites;
  • Laser, plasma, and radiation processing and fabrication at the nano-/microscale: functional sensing devices, synthetic biostructures, bio-implant/devices, surface structuring for quantum dots-based structures, nanoparticle generation, plasmonics, metamaterials, etc.;
  • Laser, plasma, and radiation processing in electronics and electrical engineering at the nano-/micro-scale: magnetic materials, semiconductors, photoelectrochemicals, photovoltaics, etc.;
  • Theoretical aspects of laser, plasma, and radiation processing: modeling and/or simulation research.

This Special Issue welcomes you to submit original research and review manuscripts on challenges and trends related to fundamental and experimental research on the laser, plasma, and radiation processing of advanced functional nanomaterials, with particular emphasis on environmental protection applications.

Dr. Nicu Doinel Scarisoreanu
Dr. Catalin-Daniel Constantinescu
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nanomaterials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • laser processing
  • plasma processing
  • radiation processing
  • nanoclusters & nanostructures
  • nanomaterials & nanocomposites
  • surface structuring, thin films & multilayers
  • functional properties engineering

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (4 papers)

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Research

13 pages, 4860 KB  
Article
Numerical Investigation of Enhanced High-Intensity Laser–Matter Interactions in Nanowire-Coated Conical Targets
by Laura Ionel and Cristian Viespe
Nanomaterials 2025, 15(23), 1763; https://doi.org/10.3390/nano15231763 - 24 Nov 2025
Cited by 1 | Viewed by 619
Abstract
Nanostructured targets are increasingly used as key components in high-power laser–matter interaction experiments due to their ability to substantially enhance laser absorption, increase ion/electron generation, or boost the secondary radiation (THz, X-ray, etc.) in accordance with the actual scientific requirements in ultraintense regimes. [...] Read more.
Nanostructured targets are increasingly used as key components in high-power laser–matter interaction experiments due to their ability to substantially enhance laser absorption, increase ion/electron generation, or boost the secondary radiation (THz, X-ray, etc.) in accordance with the actual scientific requirements in ultraintense regimes. Their tailored surface features influence the way the energy is deposited in the material, leading to significantly enhanced interaction effects compared to the flat conventional targets. In this study, we numerically investigate the mechanisms of laser field intensification occurring in the interaction between an ultraintense laser pulse and a nanostructured conical target. In order to provide a complex spatio-temporal description of the laser intensity evolution in the interaction area, we developed a 2D finite-difference time-domain model in accordance with the relative spatial extension of the pulse. The laser field intensification is numerically investigated in the vicinity of the laser matter interaction point considering four different materials of the nanopatterned conical targets and variable laser beam parameters in order to determine the optimum conditions to streamline the laser field enrichment in the laser solid targets interaction area. The numerical results show that the designed nanostructured profile of the internal cone target walls under imposed particular conditions induces a highly controllable increase in laser field intensity. Consequently, this enhanced field localization highlights the essential role of nanostructured design in advancing ultraintense laser applications that require efficient energy coupling and extreme field concentrations. Full article
(This article belongs to the Special Issue Engineering of Advanced Functional Nanomaterials by Laser, Plasma and Radiation-Assisted Techniques)
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15 pages, 8690 KB  
Article
Large-Area Pulsed Laser Deposition Growth of Transparent Conductive Al-Doped ZnO Thin Films
by Elena Isabela Bancu, Valentin Ion, Mihai Adrian Sopronyi, Stefan Antohe and Nicu Doinel Scarisoreanu
Nanomaterials 2025, 15(22), 1722; https://doi.org/10.3390/nano15221722 - 14 Nov 2025
Cited by 2 | Viewed by 909
Abstract
High-quality AZO thin films were produced on a 4-inch Si substrate using large-area PLD equipment at a substrate temperature of 330 °C, with a ZnO: Al (98:2 wt.%) target. This study aims to enhance the electrical, optical, morphological and structural properties of large-area [...] Read more.
High-quality AZO thin films were produced on a 4-inch Si substrate using large-area PLD equipment at a substrate temperature of 330 °C, with a ZnO: Al (98:2 wt.%) target. This study aims to enhance the electrical, optical, morphological and structural properties of large-area PLD-grown AZO thin films by tuning the deposition pressures. The samples were prepared under high-vacuum (HV) conditions, as well as in oxygen atmospheres of 0.005 mbar O2, 0.01 mbar O2, and 0.1 mbar O2. Consequently, a bilayer AZO film was prepared in a combination of two deposition pressures (first layer prepared under HV, followed by the second layer prepared at 0.01 mbar O2). Additionally, morphological and structural characterization revealed that high-quality columnar growth AZO thin films free of droplets, with a strong (002) orientation, were achieved on a 4-inch Si substrate. Moreover, Hall measurements in the Van der Pauw configuration were used to assess the electrical properties. A low electrical resistivity of 3.98 × 10−4 Ω cm, combined with a high carrier concentration (n) of 1.05 × 1021 cm−3 and a charge carrier mobility of 17.9 cm2/V s, was achieved at room temperature for the sample prepared under HV conditions. The optical characterization conducted through spectroscopic ellipsometry measurements showed that the large-area AZO sample exhibits an increased optical transparency in the visible (VIS) range with a near-zero extinction coefficient (k) and a wide bandgap of 3.75 eV, fulfilling the standards for materials classified as TCO. In addition, the increased thickness uniformity of the prepared AZO films over a large area represents a significant step in scaling the PLD technique for industrial applications. Full article
(This article belongs to the Special Issue Engineering of Advanced Functional Nanomaterials by Laser, Plasma and Radiation-Assisted Techniques)
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15 pages, 16310 KB  
Article
Long GHz-Burst Laser Surface Polishing of AlSl 316L Stainless Steel Parts Manufactured by Short GHz-Burst Laser Ablation
by Théo Guilberteau, Florent Husson, Manon Lafargue, John Lopez, Marc Faucon, Laura Gemini and Inka Manek-Hönninger
Nanomaterials 2025, 15(17), 1343; https://doi.org/10.3390/nano15171343 - 1 Sep 2025
Cited by 1 | Viewed by 1711
Abstract
GHz-burst laser polishing is as a promising technique for improving the surface quality of metallic materials, offering key advantages over conventional methods. In this study, two distinct approaches are investigated: a single-step polishing process, and a double-step process consisting of an initial laser [...] Read more.
GHz-burst laser polishing is as a promising technique for improving the surface quality of metallic materials, offering key advantages over conventional methods. In this study, two distinct approaches are investigated: a single-step polishing process, and a double-step process consisting of an initial laser milling step followed by a finishing/polishing pass. This distinction is critical in evaluating the performance of GHz-burst regimes under different surface conditions and roughness levels. Initial proof-of-concept trials confirm that GHz-burst irradiation can significantly reduce the surface roughness with minimal thermal damage, provided that process parameters are carefully optimized. Further analysis of spot-to-spot overlap reveals that the deposited energy density plays a crucial role in achieving uniform surface quality without inducing surface defects. The number of passes is also studied, showing that while multiple passes can improve surface finish, the benefit strongly depends on the initial roughness state of the substrate. Scalability is demonstrated by increasing both the repetition rate and scan speed proportionally while maintaining processing quality across larger areas. These results support the viability of GHz-burst laser polishing for high-throughput manufacturing. Applications in aerospace, biomedical implants, and precision optics highlight the technique’s potential for industrial adoption in demanding surface finishing contexts. Full article
(This article belongs to the Special Issue Engineering of Advanced Functional Nanomaterials by Laser, Plasma and Radiation-Assisted Techniques)
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12 pages, 26718 KB  
Article
Laser-Induced Periodic Nanostructure on Polyimide Film Surface Using 248 nm Excimer Laser
by Songqing Zhao, Xuan Xie, Mingyang Li, Limin Yang and Tongjing Liu
Nanomaterials 2025, 15(10), 742; https://doi.org/10.3390/nano15100742 - 15 May 2025
Cited by 3 | Viewed by 1709
Abstract
In this study, nanoscale periodic surface structures were fabricated on polyimide (PI) films using a linearly polarized KrF excimer laser with a wavelength of 248 nm. The effects of laser energy density and pulse number on the morphology and surface roughness of laser-induced [...] Read more.
In this study, nanoscale periodic surface structures were fabricated on polyimide (PI) films using a linearly polarized KrF excimer laser with a wavelength of 248 nm. The effects of laser energy density and pulse number on the morphology and surface roughness of laser-induced periodic surface structures (LIPSSs) were systematically investigated. When the pulse width was 20 ns, the repetition rate was 10 Hz, and the beam incidence angle was normal (90°), periodic ripples with a spatial period of approximately 200 nm formed within an energy density range of 7–18 mJ/cm2 and pulse number range of 6000–18,000. The most uniform and well-defined structures were achieved at 14.01 mJ/cm2 and 12,000 pulses, with a ripple depth of 60 nm and surface roughness (Ra) approximately 26 times greater than that of pristine PI. The ripple orientation was consistently perpendicular to the laser polarization, consistent with low-spatial-frequency LIPSS (LSFL) formation mechanisms governed by interference-induced photothermal effects. In addition, surface wettability was found to be significantly enhanced due to changes in both surface chemistry and topography, with the water contact angle decreasing from 73.7° to 19.7°. These results demonstrate the potential of UV nanosecond laser processing for the scalable fabrication of functional nanostructures on polymer surfaces for applications in surface engineering and biointerfaces. Full article
(This article belongs to the Special Issue Engineering of Advanced Functional Nanomaterials by Laser, Plasma and Radiation-Assisted Techniques)
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