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The Electronics Applications of Multifunctional Materials
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The Electronics Applications of Multifunctional Materials

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

Deadline for manuscript submissions: closed (10 October 2022) | Viewed by 5040

Special Issue Editor

Dr. Felicia Gheorghiu

E-Mail Website
Guest Editor
Institute of Inderdisciplinary Research, Science Research Department, RAMTECH Centre, “Alexandru Ioan Cuza” University of Iasi, Blvd. Carol I No. 11 700506 Iasi, Romania
Interests: magnetoelectric multiferroic materials; single-phase ceramics; composite materials; electrical properties; magnetic properties

Special Issue Information

Dear Colleagues,

It is known that the electrons are strongly responsible for the electrical response of materials. In the last few years, people have learned how to use these electrons to control machines and to process information. The electronic materials, a class of advanced materials, are designed and developed to obtain improved electrical properties for electronic device applications. Electronic devices represent the center of modern society, which requires high-level communication, processing, and transmission of information through modern internet and computing technology. The evolution of modern society requires the discovery and in-depth study of novel materials for electronics and microelectronics (which opened the future of nanoelectronics technology).

This Special Issue is dedicated to presenting the most recent research results on the preparation of innovative materials for different electronics applications, including applications in consumer electronics, industrial electronics, medicine, environmental monitoring, defense and aerospace, automotive industry, and optoelectronics. There is a wide range of advanced materials used for electronics applications, including ceramics (single-phase or composites), thin films, polymers, nanomaterials, smart materials, multiferroics, and composites. Nevertheless, this Special Issue aims to present novel or improved functional properties suitable for electronics/microelectronics applications, properties that are strongly dependent on the preparation routes, composition, and nano/microstructural characteristics. Therefore, the processing techniques and the external experimental conditions are the key factors of interest in tailoring the structural and physical properties of the materials. The Special Issue will also cover original research papers that report material design by using different theoretical models and the design and/or realization of electronics applications by using innovative materials with enhanced properties.

This Special Issue is expected to contribute to modern electronics technology, which is advancing very quickly and will continue to shape the world.

I kindly invite you to submit a manuscript for this Special Issue “Preparation of Innovative Materials for Different Electronics Applications”. Original full papers, communications, and reviews are all welcome.

Dr. Felicia Gheorghiu
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

  • multifunctional materials

  • innovative proccesing methods

  • multifunctional properties

  • electronics applications

  • materials design

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

Published Papers (3 papers)

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Research

9 pages, 2493 KiB  
Article
Electrical Resistivity and Microwave Properties of Carbon Fiber Felt Composites
by Marina Tretjak, Sandra Pralgauskaitė, Jonas Matukas, Artyom Plyushch, Jan Macutkevič, Jūras Banys, Blagoj Karakashov, Vanessa Fierro and Alain Celzard
Materials 2022, 15(23), 8654; https://doi.org/10.3390/ma15238654 - 5 Dec 2022
Cited by 1 | Viewed by 1731
Abstract
We present studies on the microwave properties, electrical resistivity, and low-frequency (10 Hz–20 kHz) noise characteristics in the temperature range of 78 K to 380 K of composite materials made from bisphenol A-based epoxy resin and carbon fiber felts. Two types of carbon [...] Read more.
We present studies on the microwave properties, electrical resistivity, and low-frequency (10 Hz–20 kHz) noise characteristics in the temperature range of 78 K to 380 K of composite materials made from bisphenol A-based epoxy resin and carbon fiber felts. Two types of carbon fibers were used, derived from polyacrylonitrile or regenerated cellulose. We show that these structures are suitable for electromagnetic shielding applications, especially in the direction parallel to the carbon fibers. The low-frequency voltage fluctuations observed in these materials are of the 1/fα, and the noise intensity is proportional to the square of the voltage. The characteristics of the investigated materials show an instability in the temperature range from 307 K to 332 K. This effect is followed by an increase in resistivity and noise intensity, but it does not change the character of the noise, and this instability vanishes after a few repeated heating and cooling cycles. Full article
(This article belongs to the Special Issue The Electronics Applications of Multifunctional Materials)
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9 pages, 1966 KiB  
Article
Achieving Good Temperature Stability of Dielectric Constant by Constructing Composition Gradient in (Pb1−x,Lax)(Zr0.65,Ti0.35)O3 Multilayer Thin Films
by Ming Wu, Yanan Xiao, Yu Yan, Yongbin Liu, Huaqiang Li, Jinghui Gao, Lisheng Zhong and Xiaojie Lou
Materials 2022, 15(12), 4123; https://doi.org/10.3390/ma15124123 - 10 Jun 2022
Cited by 6 | Viewed by 1764
Abstract
Ferroelectrics with a high dielectric constant are ideal materials for the fabrication of miniaturized and integrated electronic devices. However, the dielectric constant of ferroelectrics varies significantly with the change of temperature, which is detrimental to the working stability of electronic devices. This work [...] Read more.
Ferroelectrics with a high dielectric constant are ideal materials for the fabrication of miniaturized and integrated electronic devices. However, the dielectric constant of ferroelectrics varies significantly with the change of temperature, which is detrimental to the working stability of electronic devices. This work demonstrates a new strategy to design a ferroelectric dielectric with a high temperature stability, that is, the design of a multilayer relaxor ferroelectric thin film with a composition gradient. As a result, the fabricated up-graded (Pb,La)(Zr0.65,Ti0.35)O3 multilayer thin film showed a superior temperature stability of the dielectric constant, with variation less than 7% in the temperature range from 30 °C to 200 °C, and more importantly, the variation was less than 2.5% in the temperature range from 75 °C to 200 °C. This work not only develops a dielectric material with superior temperature stability, but also demonstrates a promising method to enhance the temperature stability of ferroelectrics. Full article
(This article belongs to the Special Issue The Electronics Applications of Multifunctional Materials)
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11 pages, 4323 KiB  
Article
Synthesis, Characterization, and Photocatalytic Activity of Ba-Doped BiFeO3 Thin Films
by Khiat Abdelmadjid, Felicia Gheorghiu and Boughelout Abderrahmane
Materials 2022, 15(3), 961; https://doi.org/10.3390/ma15030961 - 26 Jan 2022
Cited by 16 | Viewed by 3355
Abstract
In the present paper, Bi1−xBaxFeO3 (BBFO) thin films (where x = 0, 0.02 and 0.05) were prepared by a combined sol-gel and spin-coating method. The influence of Ba substitutions on the structural, microstructural, optical properties, and photocatalytic activity [...] Read more.
In the present paper, Bi1−xBaxFeO3 (BBFO) thin films (where x = 0, 0.02 and 0.05) were prepared by a combined sol-gel and spin-coating method. The influence of Ba substitutions on the structural, microstructural, optical properties, and photocatalytic activity of BiFeO3 thin films has been studied. X-ray diffraction pattern correlated with FTIR analysis results confirms that all the films have a perovskite structure of rhombohedral symmetry with an R3m space group. Atomic force microscopy (AFM) and scanning electron microscopy (SEM) were used to investigate the surface morphology and reveals microstructural modifications with the increase in Ba concentration. The optical properties show that the band gap is narrowed after doping with Ba ions and decreases gradually with the increase of doping content. The photocatalytic investigations of deposited films revealed that Ba doping of BFO material leads to the enhancement of photocatalytic response. The present data demonstrates that Bi1−xBaxFeO3 (BBFO) thin films can be used in photocatalytic applications. Full article
(This article belongs to the Special Issue The Electronics Applications of Multifunctional Materials)
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