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Novel Functional Materials for Electronics and Biomedicine
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Novel Functional Materials for Electronics and Biomedicine

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced and Functional Ceramics and Glasses".

Deadline for manuscript submissions: closed (15 March 2026) | Viewed by 2677

Editors

Prof. Dr. Ruzha Harizanova

E-Mail Website
Guest Editor
Physics Department, University of Chemical Technology and Metallurgy, Sofia, Bulgaria
Interests: oxide systems; glass-ceramics; electrical properties; crystallization
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Plamen Petkov

E-Mail Website
Guest Editor
Physics Department, University of Chemical Technology and Metallurgy, Sofia, Bulgaria
Interests: chalcogenides; thin films; oxide systems; coatings
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

It is our pleasure to invite you to contribute to this Special Issue of Materials, “Novel Functional Materials for Electronics and Biomedicine”.

The design and synthesis of new inorganic and organic materials, and composites made from them, with predetermined optical, electrical, mechanical and magnetic properties for electronic and biomedical applications are of significant importance. The proposed Special Issue aims to gather the latest results in research on appropriate initial compositions of various organic and inorganic materials, as well as their composites, and their preparation by applying a wide variety of experimental techniques. It further seeks to outline a brief review of the contemporary methods most often used to characterize the phase composition, structure and physical properties of the obtained materials. Finally, we hope to provide an introduction to the methods and technologies utilized to optimize energy conversion. We welcome regular articles on topics such as, but not limited to, the following:

  1. Bulk glasses and glass-ceramics for electronic and opto-electronic applications.
  2. Bulk glasses, ceramics and composites for biomedicine.
  3. Methods for surface modification and the characterization of materials.
  4. Energy conversion.
  5. Crystallization phenomena.

We look forward to receiving your contributions.

Prof. Dr. Ruzha Harizanova
Prof. Dr. Plamen Petkov
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-anonymized 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

  • oxides
  • chalcogeides
  • metals
  • azopolymers
  • graphene
  • glasses
  • glass-ceramics
  • composites
  • crystallization
  • energy conversion

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Published Papers (4 papers)

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Research

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18 pages, 18850 KB  
Article
Manganese Ferrite Containing Glass-Crystalline Materials—Phase Composition, Microstructure and Magnetic Properties
by Petar Takov, Ruzha Harizanova, Irena Mihailova, Pavlina Bancheva-Koleva, Georgi Avdeev, Daniela Paneva, Zara Cherkezova-Zheleva, Milena Georgieva, Todor Karadimov and Christian Rüssel
Materials 2026, 19(9), 1771; https://doi.org/10.3390/ma19091771 - 27 Apr 2026
Viewed by 440
Abstract
The preparation of new magnetic materials is important because of their potential application in various electronic components. In the present work, the synthesis of glass-crystalline materials in the system Na2O-MnO-SiO2-Fe2O3 prepared by applying melt-quenching is reported. [...] Read more.
The preparation of new magnetic materials is important because of their potential application in various electronic components. In the present work, the synthesis of glass-crystalline materials in the system Na2O-MnO-SiO2-Fe2O3 prepared by applying melt-quenching is reported. The phase composition as studied by X-ray diffraction and Raman spectroscopy reveals the precipitation of monophase MnxFe3−xO4 based solid solutions. The microstructure is studied by scanning electron and optical microscopy and shows bulk crystallization and the presence of polygon-shaped as well as of dendritic crystals, depending on the iron oxide concentration and used raw materials. Mössbauer spectra show that in the amorphous matrix the Fe ions are mainly present as Fe3+ in tetrahedral coordination and as Fe3+ in a solid solution with the composition MnxFe3−xO4. The simultaneous presence of MnFe2O4 (jacobsite) and a Mn-containing solid solution based on Fe3O4 (magnetite) is suggested. The room temperature magnetic properties were studied by vibrating sample magnetometer and reveal ferrimagnetic properties for all investigated glass-crystalline materials. Full article
(This article belongs to the Special Issue Novel Functional Materials for Electronics and Biomedicine)
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24 pages, 5219 KB  
Article
From Farm to Table and Back Again: Circular Valorization of Biomass Ash and Sewage Sludge into Sustainable Material Blends
by Ekaterina Serafimova, Vilma Petkova and Veneta Petkova
Materials 2026, 19(8), 1552; https://doi.org/10.3390/ma19081552 - 13 Apr 2026
Viewed by 488
Abstract
In the era of increasing generation of various waste streams, the possibility of utilizing them as secondary resources is of utmost importance and fully corresponds to the goals of the circular economy. Industrial residues from the pulp and paper industry, such as biomass [...] Read more.
In the era of increasing generation of various waste streams, the possibility of utilizing them as secondary resources is of utmost importance and fully corresponds to the goals of the circular economy. Industrial residues from the pulp and paper industry, such as biomass combustion ash (FARP) and sludge from industrial wastewater treatment (PPWS), together with natural zeolite as a modifying additive, represent valuable sources enabling their integrated valorization. The present study aims to investigate the potential for their reuse through the development of sustainable material blends. A comprehensive analysis of the chemical composition and morphology of the obtained mixtures was carried out using inductively coupled plasma optical emission spectroscopy (ICP-OES), X-ray diffraction (XRD), and scanning electron microscopy (SEM). The results indicate a tendency for the formation of mineral matrices dominated by calcium–sulfur–oxygen (Ca–S–O) phases, with the presence of calcium sulfate and aluminosilicate structures. The blends are associated with the formation of stable crystalline structures exhibiting potential pozzolanic activity. In this way, carbon is captured and fixed in a stable mineral form. The obtained results suggest the potential of these blends for use in low-carbon systems focused on waste valorization and carbon retention. The materials may be suitable for applications in construction, soil remediation, and environmental technologies, contributing to closing the resource loop “from farm to table and back again”. Full article
(This article belongs to the Special Issue Novel Functional Materials for Electronics and Biomedicine)
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14 pages, 5680 KB  
Article
Mechanical Nitriding of Titanium and Its Alloys as a Feedstock for the Additive Manufacturing of Functionally Graded Materials
by Anna Antolak-Dudka, Malwina Liszewska, Sławomir Dyjak, Iwona Wyrębska, Tomasz Czujko and Marek Polański
Materials 2026, 19(6), 1115; https://doi.org/10.3390/ma19061115 - 13 Mar 2026
Viewed by 542
Abstract
This work focuses on obtaining a titanium nitride coating on the surfaces of titanium and its alloy powders using a novel method, self-shearing reactive milling, under a nitrogen pressure of 50 bar. The Ti, Ti6Al4V, and Ti-5553 spherical powders were milled for up [...] Read more.
This work focuses on obtaining a titanium nitride coating on the surfaces of titanium and its alloy powders using a novel method, self-shearing reactive milling, under a nitrogen pressure of 50 bar. The Ti, Ti6Al4V, and Ti-5553 spherical powders were milled for up to 10 h at ambient temperature without grinding balls. As a result of the experiments, a thin, brittle TiN coating formed on the powders’ surfaces. The cross-sections of the milled powders reveal that the TiN layer thickness is in the nanometer range (about 500 nm). By analyzing the sequence of X-ray diffraction patterns, it is evident that only for the Ti6Al4V powder milled for 10 h, two peaks are observed that can be attributed to a TiN phase. On the other hand, Raman spectroscopy revealed characteristic TiN spectra even for samples collected at the initial stage of self-shearing reactive milling. An important aspect of the experiment was the preservation of the spherical shape of the milled powders, which makes them a potential feedstock for additive manufacturing of functionally graded biomaterials. Full article
(This article belongs to the Special Issue Novel Functional Materials for Electronics and Biomedicine)
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Review

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29 pages, 3363 KB  
Review
Biopolymer-Based Electrospun Nanofibers for Wound Healing, Regeneration, and Therapeutics
by Ashok Vaseashta, Sedef Salel and Nimet Bölgen
Materials 2026, 19(7), 1443; https://doi.org/10.3390/ma19071443 - 3 Apr 2026
Viewed by 774
Abstract
The management of complex acute and chronic wounds remains a formidable challenge in modern medicine, underscoring the urgent need for advanced therapeutic strategies that accelerate healing, prevent infection, and promote functional tissue regeneration. Electrospun nanofibers have attracted considerable attention in the biomedical field [...] Read more.
The management of complex acute and chronic wounds remains a formidable challenge in modern medicine, underscoring the urgent need for advanced therapeutic strategies that accelerate healing, prevent infection, and promote functional tissue regeneration. Electrospun nanofibers have attracted considerable attention in the biomedical field due to their extracellular matrix-like architecture, high surface area, interconnected porosity, and tunable physicochemical composition, which drive advances in wound regeneration, tissue engineering, and biopolymer-based therapeutics. In wound healing, nanofibrous dressings composed of natural polymers such as chitosan, gelatin, collagen, and cellulose promote cell attachment and proliferation, support angiogenesis, and enable infection control while delivering bioactive agents, thereby addressing significant challenges related to inflammation, biocompatibility, and antimicrobial resistance. In tissue engineering, aligned and hierarchically organized scaffolds fabricated from biopolymers such as collagen, gelatin, chitosan, and cellulose enhance the guided orientation of cells, differentiation, and functional regeneration of neural, musculoskeletal, vascular, and skin tissues. In addition to their conventional regenerative applications, recent studies have demonstrated that electrospun biopolymer nanofibers can be used in multifunctional biomedical platforms, including smart and stimuli-responsive systems for drug delivery, biosensing, regenerative interfaces, and wearable medical technologies. The integrated constructs that incorporate diagnostic or therapeutic functionalities, hybrid fabrication approaches that combine 3D printing with electrospinning, and intelligent biopolymer frameworks that enable telemedicine, real-time physiological monitoring, and personalized regenerative therapies offer new opportunities for developing improved biomedical systems. Overall, these advances position electrospun nanofiber systems as promising biomaterials for next-generation biomedical innovation. This review summarizes recent progress in tissue-engineered scaffolds, wound dressings, fabrication strategies for integrative therapeutics, and wearable devices with transformative potential for biomedical applications. Finally, the review addresses significant challenges related to scalability and clinical translation. It offers perspectives on future directions, including the integration of artificial intelligence and the regeneration of complex skin appendages, which will shape the next generation of nanofiber-based wound-healing therapies. Full article
(This article belongs to the Special Issue Novel Functional Materials for Electronics and Biomedicine)
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