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New Generation Materials for Advanced Electronic and Biomedical Applications
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New Generation Materials for Advanced Electronic and Biomedical Applications

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

Deadline for manuscript submissions: 31 July 2025 | Viewed by 833

Special Issue Editors

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
Dr. Ruzha Harizanova

E-Mail Website
Guest Editor
Physics Department, University of Chemical Technology and Metallurgy, Sofia, Bulgaria
Interests: oxide systems; glass-ceramics

Special Issue Information

Dear Colleagues,

We welcome you to contribute to this Special Issue of Materials entitled “New Generation Materials for Advanced Electronic and Biomedical Applications”.

The design and synthesis of new inorganic and organic materials and composites with predetermined optical, electrical, mechanical and magnetic properties for electronic and biomedical applications is crucial. This Special Issue aims to gather recent research results regarding the appropriate initial composition of a wide variety of organic and inorganic materials, as well as their composites. It will also address the preparation of these composites via a range of experimental techniques. This Special Issue also aims to provide a brief review of the methods most often used to characterize the phase composition, structure and physical properties of the obtained materials, as well as introduce methods that optimize the process of characterizing and manipulating the surface of the synthesized materials. The scope of this Special Issue includes, but is not limited to, the following topics:

  1. Bulk glasses and glass-ceramics for electronic and opto-electronic applications;
  2. Bulk glasses, ceramics and composites for biomedicine;
  3. Surface modification and methods for the characterization of materials.

We look forward to receiving your contributions.

Prof. Dr. Plamen Petkov
Dr. Ruzha Harizanova
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 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

  • oxides
  • chalcogeides
  • metals
  • azopolymers
  • graphene
  • glasses
  • glass-ceramics
  • composites
  • plasma processing
  • optimization

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

Published Papers (2 papers)

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Research

13 pages, 3594 KiB  
Article
The Synthesis of New Chalcogenides from the System GeTe6-Cu and a Layered Structure Based on Them and an Azo Polymer for Application in Optoelectronics
by Yordanka Trifonova, Ani Stoilova, Deyan Dimov, Georgi Mateev, Dimana Nazarova, Lian Nedelchev, Vladislava Ivanova and Vanya Lilova
Materials 2025, 18(14), 3387; https://doi.org/10.3390/ma18143387 - 18 Jul 2025
Viewed by 191
Abstract
New bulk chalcogenides from the system (GeTe6)1−xCux, where x = 5, 10, 15 and 20 mol%, have been synthesized. The structure and composition of the materials were studied using X-ray powder diffraction (XRD) and energy-dispersive spectroscopy (EDS). [...] Read more.
New bulk chalcogenides from the system (GeTe6)1−xCux, where x = 5, 10, 15 and 20 mol%, have been synthesized. The structure and composition of the materials were studied using X-ray powder diffraction (XRD) and energy-dispersive spectroscopy (EDS). Scanning electron microscopy (SEM) was applied to analyze the surface morphology of the samples. Some thermal characteristics such as the glass transition, crystallization and melting temperature and some physico-chemical properties such as the density, compactness and molar and free volumes were also determined. The XRD patterns show sharp diffraction peaks, indicating that the synthesized new bulk materials are crystalline. The following four crystal phases were determined: Te, Cu, CuTe and Cu2GeTe3. The results from the EDS confirmed the presence of Ge, Te and Cu in the bulk samples in concentrations in good correspondence with those theoretically determined. A layered thin-film material based on Ge14Te81Cu5, which exhibits lower network compactness compared to the other synthesized new chalcogenides, and the azo polymer PAZO was fabricated, and the kinetics of the photoinduced birefringence at 444 nm was measured. The results indicated an increase in the maximal induced birefringence for the layered structure in comparison to the non-doped azo polymer film. Full article
(This article belongs to the Special Issue New Generation Materials for Advanced Electronic and Biomedical Applications)
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13 pages, 7730 KiB  
Article
Study of New Glass–Ceramic and Dense Ceramic Containing Biogenic Hydroxyapatite
by Tina Tasheva, Albena Yoleva, Janna Mateeva and Hristo Georgiev
Materials 2025, 18(13), 3059; https://doi.org/10.3390/ma18133059 - 27 Jun 2025
Viewed by 392
Abstract
A novel bioactive glass–ceramic was developed using biogenic hydroxyapatite (BHA) synthesized from Rapana venosa (Black Sea) shells and monocalcium phosphate monohydrate [Ca(H2PO4)2·H2O] via solid-state synthesis. The prepared batches were obtained by combining BHA with SiO [...] Read more.
A novel bioactive glass–ceramic was developed using biogenic hydroxyapatite (BHA) synthesized from Rapana venosa (Black Sea) shells and monocalcium phosphate monohydrate [Ca(H2PO4)2·H2O] via solid-state synthesis. The prepared batches were obtained by combining BHA with SiO2, B2O3, and Na2O, melted at 1200 °C and melt-quenched in water to form glass–ceramic materials. Dense biogenic hydroxyapatite-based ceramics were successfully sintered at 1200 °C (2 h hold) using a 25 mass % sintering additive composed of 35 mass % B2O3, 45 mass % SiO2, 10 mass % Al2O3, and 10 mass % Na2O. Structural characterization was carried out using X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM). The resulting materials consisted of a well-defined crystalline hydroxyapatite phase [Ca10(PO4)6(OH)2] alongside an amorphous phase. In samples with increased SiO2 and reduced B2O3 content (composition 3), a finely dispersed Na3Ca6(PO4)5 crystalline phase appeared, with a reduced presence of hydroxyapatite. Bioactivity was assessed in simulated body fluid (SBF) after 10 and 20 days of immersion, confirming the material’s ability to support apatite layer formation. The main structural units SiO4, PO4, and BO3 are interconnected through Si–O–Si, B–O–B, P–O–P, and mixed Si–O–Al linkages, contributing to both structural stability and bioactivity. Full article
(This article belongs to the Special Issue New Generation Materials for Advanced Electronic and Biomedical Applications)
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