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Microstructural, Electrical and Mechanical Characterization of Nanocomposites
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Microstructural, Electrical and Mechanical Characterization of Nanocomposites

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Composites".

Deadline for manuscript submissions: closed (20 July 2024) | Viewed by 6974

Special Issue Editor

Dr. Fernando Gomes Souza Junior

E-Mail Website
Guest Editor
Biopolymers&Sensors Lab., Macromolecules Institute, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
Interests: nanomaterials; biomaterials; sensors; design of experiments; machine learning
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are thrilled to introduce the new Special Issue "Microstructural, Electrical and Mechanical Characterization of Nanocomposites" in the prestigious MDPI journal Materials. As Guest Editors, our primary aim is to delve into the recent innovations and burgeoning trends within the realm of nanocomposites.

Due to their unique attributes and potential multifaceted applications, nanocomposites have piqued considerable interest. Our focus lies in an exhaustive exploration of their microstructure, electrical properties, and mechanical behavior, intending to enhance their performance and broaden their applications.

The Issue encapsulates diverse topics such as:

  1. Mechanical behavior and peak hardness of nanocomposites.
  2. Effects of microstructural alterations on nanocomposite properties.
  3. Nanocomposites’ compressive yield strengths and textures.
  4. High-precision characterization of mechanical attributes.
  5. Influence of crystallinity on nanocomposite performance.
  6. Implications of nanocomposites' impact behaviors.
  7. Biomedical applications of nanocomposite materials.
  8. Data mining in the context of nanocomposite research.

In addition, we will examine the nuances of nanocomposites, including temperature dependency, polymer chain dynamics, self-assembly, and microstructural scrutiny. Cutting-edge materials such as ZnO-based nanocomposites will be highlighted.

We will further scrutinize recent progress in manufacturing techniques, emphasizing 3D printing's potential in nanocomposite fabrication. Exploration of nanocomposites' electrochemical performance and their applications in energy storage and conversion is also planned.

We welcome contributions that touch upon these themes or related fields. Authors are invited to submit their groundbreaking research findings, novel methodologies, theoretical studies, and experimental investigations. Original research papers, reviews, and perspectives offering valuable insights into nanocomposites are highly encouraged.

We eagerly anticipate your valuable contributions to make this Special Issue a comprehensive knowledge repository for nanocomposite researchers and practitioners.

Dr. Fernando Gomes Souza Junior
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. Materials 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 2600 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

  • nanocomposites
  • microstructure
  • electrical characteristics
  • mechanical behavior
  • crystallinity
  • biomedical applications
  • manufacturing techniques
  • 3D printing
  • data mining
  • energy storage and conversion

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

Published Papers (3 papers)

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Research

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12 pages, 2336 KiB  
Article
Electrical Conduction Mechanism of Mg-Doped ZrO2 Thin Films
by Diana Mardare, Mariana Frenti, Carmen Mita, Nicoleta Cornei, Georgiana Bulai, Marius Dobromir, Alexandr Doroshkevich and Abdullah Yildiz
Materials 2024, 17(15), 3652; https://doi.org/10.3390/ma17153652 - 24 Jul 2024
Cited by 1 | Viewed by 1007
Abstract
Amorphous ZrO2 thin films with increasing Mg content were deposited on quartz substrates, by dip coating method. The films are transparent in the visible domain and absorbent in UV, with an optical band gap that decreases with the increase of Mg content, [...] Read more.
Amorphous ZrO2 thin films with increasing Mg content were deposited on quartz substrates, by dip coating method. The films are transparent in the visible domain and absorbent in UV, with an optical band gap that decreases with the increase of Mg content, from 5.42 eV to 4.12 eV. The temperature dependent conductivity measurements showed typical semiconductor comportment. The decrease of the electrical conductivity by Mg doping was related to the increase of the OH groups (37% to 63%) as seen from X-ray Photoelectron Spectroscopy. It was found out that the electrical conductivity obeys the Meyer-Neldel rule. This rule, previously reported for different disordered material systems is obtained for ZrO2 for the first time in the literature. Exploring novel aspects of Mg-doped ZrO2, the present study underscores the origin of the Meyer-Neldel rule explained by the small-polaron hopping model in the non-adiabatic hopping regime. Determination of the presence of such a conduction mechanism in the samples hold promise for comprehending the important aspects, which might be a concern in developing various devices based on Mg-doped ZrO2. Full article
(This article belongs to the Special Issue Microstructural, Electrical and Mechanical Characterization of Nanocomposites)
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14 pages, 5475 KiB  
Article
Effect of V/Mo Atomic Ratio on the Microstructure and Mechanical Properties of MoVCuN Coatings
by Haijuan Mei, Cihong Lin, Yuhang Li, Youqu Shen, Qiuguo Li, Rui Wang, Wenjun Zeng, Wenbao Mei and Weiping Gong
Materials 2024, 17(1), 229; https://doi.org/10.3390/ma17010229 - 31 Dec 2023
Cited by 1 | Viewed by 1071
Abstract
To improve the gas ionization ratio, the Mo-V-Cu-N coatings were deposited by pulsed dc magnetron sputtering with assistance from an anode layer ion source, and the influence of the V/Mo atomic ratio was explored with regard to the microstructure and mechanical properties of [...] Read more.
To improve the gas ionization ratio, the Mo-V-Cu-N coatings were deposited by pulsed dc magnetron sputtering with assistance from an anode layer ion source, and the influence of the V/Mo atomic ratio was explored with regard to the microstructure and mechanical properties of the coatings. The findings of this study indicated that the MoVCuN coatings exhibited a solid solution phase of FCC B1-MoVN with a prominent (220) preferred orientation, and the deposition rate was found to decrease from 4.7 to 1.8 nm/min when the V/Mo atomic ratio increased. The average surface roughness of the MoVCuN coatings gradually decreased, and the lowest surface roughness of 6.9 nm was achieved at a V/Mo atomic ratio of 0.31. Due to the enhanced ion bombardment effect, the coatings changed from a coarse columnar to a dense columnar crystal structure, and promoted grain refinement at higher V/Mo atomic ratios, contributing to a gradual improvement in the compressive residual stress, hardness and adhesion strength of the coatings. Full article
(This article belongs to the Special Issue Microstructural, Electrical and Mechanical Characterization of Nanocomposites)
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Review

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81 pages, 11953 KiB  
Review
A 30-Year Review on Nanocomposites: Comprehensive Bibliometric Insights into Microstructural, Electrical, and Mechanical Properties Assisted by Artificial Intelligence
by Fernando Gomes Souza, Jr., Shekhar Bhansali, Kaushik Pal, Fabíola da Silveira Maranhão, Marcella Santos Oliveira, Viviane Silva Valladão, Daniele Silvéria Brandão e Silva and Gabriel Bezerra Silva
Materials 2024, 17(5), 1088; https://doi.org/10.3390/ma17051088 - 27 Feb 2024
Cited by 6 | Viewed by 4344
Abstract
From 1990 to 2024, this study presents a groundbreaking bibliometric and sentiment analysis of nanocomposite literature, distinguishing itself from existing reviews through its unique computational methodology. Developed by our research group, this novel approach systematically investigates the evolution of nanocomposites, focusing on microstructural [...] Read more.
From 1990 to 2024, this study presents a groundbreaking bibliometric and sentiment analysis of nanocomposite literature, distinguishing itself from existing reviews through its unique computational methodology. Developed by our research group, this novel approach systematically investigates the evolution of nanocomposites, focusing on microstructural characterization, electrical properties, and mechanical behaviors. By deploying advanced Boolean search strategies within the Scopus database, we achieve a meticulous extraction and in-depth exploration of thematic content, a methodological advancement in the field. Our analysis uniquely identifies critical trends and insights concerning nanocomposite microstructure, electrical attributes, and mechanical performance. The paper goes beyond traditional textual analytics and bibliometric evaluation, offering new interpretations of data and highlighting significant collaborative efforts and influential studies within the nanocomposite domain. Our findings uncover the evolution of research language, thematic shifts, and global contributions, providing a distinct and comprehensive view of the dynamic evolution of nanocomposite research. A critical component of this study is the “State-of-the-Art and Gaps Extracted from Results and Discussions” section, which delves into the latest advancements in nanocomposite research. This section details various nanocomposite types and their properties and introduces novel interpretations of their applications, especially in nanocomposite films. By tracing historical progress and identifying emerging trends, this analysis emphasizes the significance of collaboration and influential studies in molding the field. Moreover, the “Literature Review Guided by Artificial Intelligence” section showcases an innovative AI-guided approach to nanocomposite research, a first in this domain. Focusing on articles from 2023, selected based on citation frequency, this method offers a new perspective on the interplay between nanocomposites and their electrical properties. It highlights the composition, structure, and functionality of various systems, integrating recent findings for a comprehensive overview of current knowledge. The sentiment analysis, with an average score of 0.638771, reflects a positive trend in academic discourse and an increasing recognition of the potential of nanocomposites. Our bibliometric analysis, another methodological novelty, maps the intellectual domain, emphasizing pivotal research themes and the influence of crosslinking time on nanocomposite attributes. While acknowledging its limitations, this study exemplifies the indispensable role of our innovative computational tools in synthesizing and understanding the extensive body of nanocomposite literature. This work not only elucidates prevailing trends but also contributes a unique perspective and novel insights, enhancing our understanding of the nanocomposite research field. Full article
(This article belongs to the Special Issue Microstructural, Electrical and Mechanical Characterization of Nanocomposites)
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