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Nanomaterials
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Advances in Microscopy and Spectroscopy Techniques Applied to Nanomaterials
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Advances in Microscopy and Spectroscopy Techniques Applied to Nanomaterials

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanocomposite Materials".

Deadline for manuscript submissions: closed (31 January 2023) | Viewed by 4568

Special Issue Editor

Dr. Eric Faulques

E-Mail Website
Guest Editor
Institut des Matériaux Jean Rouxel, Université de Nantes, Nantes, France
Interests: nanosciences; spectroscopy; materials science; materials processing; material characterization; polymeric materials; nanomaterials

Special Issue Information

Dear Colleagues,

The study of nanomaterials involves more and more powerful techniques to decipher their physical and chemical properties exhibiting new behavior at the nanometer scale. The most widespread examples are fullerenes, nanotubes, one-atom-thick 2D materials and thin nanostructured films on surfaces. In particular, the exploration of these substances has been made possible with great success using microscopy and spectroscopy techniques, the most popular being SEM, TEM, SPM, light–matter interaction probes such as Raman scattering, optical and infrared absorption, luminescence spectroscopy, X-ray photoelectron spectroscopy and many others. The modeling of nanostructures has also undergone a rapid impetus parallel to technical advances, and is crucial to predict and simulate the properties of nanomaterials. This Special Issue is devoted to the advancement of the abovementioned techniques for the investigation of various nanomaterials encompassing quantum dots or nanoparticles, biomaterials, composites, pigments, chalcogenides, carbon allotropes, nanowires, nanotubes and 2D materials for applications in photonics, nanomedicine, environment, energy storage, catalysis and sensors. Innovative and emerging techniques as well as new kinds of nanomaterials with remarkable properties will be welcome for this Special Issue. Contributions can be original articles or mini-reviews.

Dr. Eric Faulques
Guest Editor

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 100 words) can be sent to the Editorial Office for announcement on this website.

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 2900 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

  • nanomaterials
  • nanotechnology
  • microscopy
  • spectroscopy
  • Raman
  • infrared
  • self-assembly
  • biomaterials
  • STM
  • AFM
  • KFM
  • modeling
  • characterization

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

Published Papers (2 papers)

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Research

16 pages, 3414 KiB  
Article
Portable Device for Multipurpose Research on Dendritic Yanson Point Contacts and Quantum Sensing
by Andriy Savytskyi, Alexander Pospelov, Anna Herus, Volodymyr Vakula, Nataliya Kalashnyk, Eric Faulques and Gennadii Kamarchuk
Nanomaterials 2023, 13(6), 996; https://doi.org/10.3390/nano13060996 - 9 Mar 2023
Cited by 2 | Viewed by 1746
Abstract
Quantum structures are ideal objects by which to discover and study new sensor mechanisms and implement advanced approaches in sensor analysis to develop innovative sensor devices. Among them, one of the most interesting representatives is the Yanson point contact. It allows the implementation [...] Read more.
Quantum structures are ideal objects by which to discover and study new sensor mechanisms and implement advanced approaches in sensor analysis to develop innovative sensor devices. Among them, one of the most interesting representatives is the Yanson point contact. It allows the implementation of a simple technological chain to activate the quantum mechanisms of selective detection in gaseous and liquid media. In this work, a portable device for multipurpose research on dendritic Yanson point contacts and quantum sensing was developed and manufactured. The device allows one to create dendritic Yanson point contacts and study their quantum properties, which are clearly manifested in the process of the electrochemical cyclic switchover effect. The device tests demonstrated that it was possible to gather data on the compositions and characteristics of the synthesized substances, and on the electrochemical processes that influence the production of dendritic Yanson point contacts, as well as on the electrophysical processes that provide information on the quantum nature of the electrical conductance of dendritic Yanson point contacts. The small size of the device makes it simple to integrate into a micro-Raman spectrometer setup. The developed device may be used as a prototype for designing a quantum sensor that will serve as the foundation for cutting-edge sensor technologies, as well as be applied to research into atomic-scale junctions, single-atom transistors, and any relative subjects. Full article
(This article belongs to the Special Issue Advances in Microscopy and Spectroscopy Techniques Applied to Nanomaterials)
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9 pages, 686 KiB  
Article
Control over the Surface Properties of Zinc Oxide Powders via Combining Mechanical, Electron Beam, and Thermal Processing
by Igor A. Pronin, Igor A. Averin, Andrey A. Karmanov, Nadezhda D. Yakushova, Alexey S. Komolov, Eleonora F. Lazneva, Maxim M. Sychev, Vyacheslav A. Moshnikov and Ghenadii Korotcenkov
Nanomaterials 2022, 12(11), 1924; https://doi.org/10.3390/nano12111924 - 4 Jun 2022
Cited by 10 | Viewed by 2275
Abstract
The surface properties of zinc oxide powders prepared using mechanical activation, electron beam irradiation, and vacuum annealing, as well using combinations of these types of treatments, were studied using X-ray photoelectron spectroscopy. The structure of the obtained materials was studied by an X-ray [...] Read more.
The surface properties of zinc oxide powders prepared using mechanical activation, electron beam irradiation, and vacuum annealing, as well using combinations of these types of treatments, were studied using X-ray photoelectron spectroscopy. The structure of the obtained materials was studied by an X-ray diffraction technique and by scanning electron microscopy. We found that over five hours of grinding in an attritor, the size of nanocrystals decreases from 37 to 21 nm, and microdeformations increase from 0.3% to 0.6%. It was also found that a five-hour grinding treatment promoted formation of vacancies in the zinc sublattice at the surface and diffusion of Zn2+ cations into the bulk of the material. Irradiation of commercial zinc oxide powders with an electron beam with an energy of 0.9 MeV and a dose of 1 MGy induced breaking of Zn–O bonds, diffusion of interstitial zinc ions into the bulk, and oxygen atom escape from regular positions into the gas phase. A combined treatment of five hours of grinding and electron beam irradiation promoted accumulation of interstitial zinc ions at the surface of the material. Annealing of both initial and mechanically activated ZnO powders at temperatures up to 400 °C did not lead to a significant change in the properties of the samples. Upon exceeding the 400 °C annealing temperature the X-ray photoelectron spectra show almost identical atomic composition of the two types of materials, which is related to diffusion of interstitial zinc ions from the bulk of the material to the surface. Full article
(This article belongs to the Special Issue Advances in Microscopy and Spectroscopy Techniques Applied to Nanomaterials)
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