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Applied Sciences
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Applied Electronics and Functional Materials—2nd Edition
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Applied Electronics and Functional Materials—2nd Edition

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Electrical, Electronics and Communications Engineering".

Deadline for manuscript submissions: 30 September 2026 | Viewed by 324

Special Issue Editor

Dr. Žydrūnas Kavaliauskas

E-Mail Website
Guest Editor
Plasma Processing Laboratory, Lithuanian Energy Institute, Breslaujos Str. 3, LT-44403 Kaunas, Lithuania
Interests: plasma processing; hydrogen plasma; metal hydride coatings; plasma waste treatment
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue delves into the dynamic intersection of applied electronics and functional materials, presenting an interdisciplinary platform for researchers and practitioners. Research focuses on the integration of electronic components, the use of microcontrollers and other microcircuits and the development of programming algorithms and code. The research focus is on advanced functional materials to highlight state-of-the-art achievements, innovative methodologies and practical applications in various fields such as optoelectronics, sensors, energy harvesting and wearable technologies, surface protection, etc. This publication aims to provide a synergistic relationship between electronics and functional materials, where we aim to catalyze new solutions to urgent challenges while promoting the cooperation and exchange of knowledge among experts in the field.

Dr. Žydrūnas Kavaliauskas
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 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. Applied Sciences 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

  • applied electronics
  • functional materials
  • interdisciplinary research
  • optoelectronics
  • sensors
  • energy harvesting
  • wearable technology
  • advanced fabrication techniques
  • hybrid materials
  • device integration

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Related Special Issue

Published Papers (1 paper)

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Research

23 pages, 9451 KB  
Article
Formation of Magnesium and Nickel Coatings on Al2O3 Granules by Plasma Spraying and Investigation of Their Hydrogenation Properties
by Zulfiqar Khalil and Žydrūnas Kavaliauskas
Appl. Sci. 2026, 16(10), 4591; https://doi.org/10.3390/app16104591 - 7 May 2026
Viewed by 176
Abstract
Hydrogen storage remains a key challenge in the transition toward sustainable energy systems, particularly for applications requiring high energy density and safe operation. Among various solid-state storage materials, magnesium hydride (MgH2) is considered highly promising due to its high hydrogen capacity, [...] Read more.
Hydrogen storage remains a key challenge in the transition toward sustainable energy systems, particularly for applications requiring high energy density and safe operation. Among various solid-state storage materials, magnesium hydride (MgH2) is considered highly promising due to its high hydrogen capacity, low cost, and good reversibility; however, its practical application is hindered by slow kinetics and high thermodynamic stability. In this study, Mg and Ni coatings were deposited on Al2O3 based substrates using a direct current plasma spraying technique to develop a composite system for enhanced hydrogen storage performance. The influence of plasma torch parameters on coating characteristics was investigated, and the hydrogenation behavior was analyzed under controlled conditions (350 °C & 200 °C, 5 atm H2). The structural, morphological, and compositional evolution of the coatings before and after hydrogenation was examined using SEM, EDS, XRD, and FTIR techniques. Results demonstrate that plasma-sprayed Mg coatings undergo significant morphological transformation after hydrogenation, including surface cracking, increased porosity, and phase conversion to MgH2, confirming effective hydrogen uptake. In contrast, Ni coatings exhibit limited hydride formation but play a catalytic role by facilitating hydrogen dissociation and improving surface reactions. The influence of plasma power on coating quality and hydrogenation efficiency was also identified, with higher power leading to improved coating uniformity and enhanced MgH2 formation. Additionally, a reaction–diffusion model was developed to evaluate the effect of temperature and hydrogen pressure on hydride layer growth. The model predicts an optimal temperature range (~300–330 °C) for MgH2 formation, beyond which thermodynamic instability limits hydride stability. Overall, the study demonstrates that plasma-sprayed Mg/Ni coatings on granular substrates represent a promising approach for developing efficient hydrogen storage systems, combining improved kinetics, structural stability, and scalable processing. Full article
(This article belongs to the Special Issue Applied Electronics and Functional Materials—2nd Edition)
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