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Synergy in Polyphase Materials: Harnessing the Power of Glass and Ceramics

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: 20 March 2025 | Viewed by 2063

Special Issue Editors

Prof. Dr. Michael I Ojovan

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Guest Editor
Immobilisation Science laboratory, The University of Sheffield, Sheffield, UK
Interests: nuclear waste; immoblization; vitrification, glasses; glass crystalline materials
Special Issues, Collections and Topics in MDPI journals
Dr. Georgiy Shakhgildyan

E-Mail Website
Guest Editor
Department of Glass and Glass-Ceramics, Mendeleev University of Chemical Technology, 9 Miusskaya Sq., 125047 Moscow, Russia
Interests: glasses; glass-ceramics; chemistry of glass; crystallization of glass
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Kai Xu

E-Mail Website
Guest Editor
State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, China
Interests: glasses; glass–ceramics; hazardous and nuclear waste vitrification; numerical simulation of melter

Special Issue Information

Dear Colleagues,

Characterized by their intricate combinations of vitreous and crystalline phases, polyphase materials are fundamental in nature, daily life, technology, medicine, science and creative applications. Their use ranges from rock deposits and household goods to automotive windshields and nuclear waste immobilising wasteforms. In advanced technologies, nanoscale assemblies of polyphase materials are expanding possibilities, notably in photovoltaic power generation. Current interests in the investigation and utilization of polyphase materials gradually shifts to nanoscale assemblage of constituent phases, which widens the range of possibilities, e.g., in photovoltaic power generation, photonics and plexitonics, optical data storage and space exploration.

Recognizing the transformative potential of these materials, especially at the nanoscale, we invite you to contribute to this Special Issue Materials which aims to spotlight advancements in the science and application of these specific polyphase materials, and discuss their emerging roles in promoting sustainable technological growth.

We welcome original research and reviews focusing on the following:

  • Structure–property relationships in polyphase materials such as glass, ceramics and glass–ceramics;
  • Natural polyphase materials, their role and structural features;
  • Advances in the synthesis and functionalization of glass- and ceramic-based polyphase materials, enhancing their industrial and medical applications;
  • Electrical, magnetic and optical properties pertinent to glass- and ceramic-based polyphase materials;
  • Innovations in sintering and crystallization techniques for developing nanostructured glasses, ceramics and glass–ceramics;
  • Application of artificial intelligence and computational modelling in understanding and optimising of polyphase materials;
  • Novel processing techniques, including 3D printing and laser micromachining, tailored for polyphase materials;
  • Cutting-edge technologies and applications specific to polyphase glasses, ceramics and glass–ceramics.

Your contributions can help shape the future of these essential materials, highlighting their role in next-generation technologies and applications.

Prof. Dr. Michael I Ojovan
Dr. Georgiy Shakhgildyan
Prof. Dr. Kai Xu
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

  • vitreous materials
  • glass–ceramics
  • polyphase materials
  • nanoscale polyphase structures
  • sintering techniques
  • crystallization processes
  • laser micromachining
  • functional materials
  • composite material interfaces

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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

15 pages, 9729 KiB  
Article
Microstructure and Bioactivity of Ca- and Mg-Modified Silicon Oxycarbide-Based Amorphous Ceramics
by Qidong Liu, Hongmei Chen, Xiumei Wu, Junjie Yan, Biaobiao Yang, Chenying Shi, Yunping Li and Shu Yu
Materials 2024, 17(24), 6159; https://doi.org/10.3390/ma17246159 - 17 Dec 2024
Viewed by 288
Abstract
Silicon oxycarbide (SiOC), Ca- and Mg-modified silicon oxycarbide (SiCaOC and SiMgOC) were synthesized via sol–gel processing with subsequent pyrolysis in an inert gas atmosphere. The physicochemical structures of the materials were characterized by XRD, SEM, FTIR, and 29Si MAS NMR. Biocompatibility and [...] Read more.
Silicon oxycarbide (SiOC), Ca- and Mg-modified silicon oxycarbide (SiCaOC and SiMgOC) were synthesized via sol–gel processing with subsequent pyrolysis in an inert gas atmosphere. The physicochemical structures of the materials were characterized by XRD, SEM, FTIR, and 29Si MAS NMR. Biocompatibility and in vitro bioactivity were detected by MTT, cell adhesion assay, and simulated body fluid (SBF) immersion test. Mg and Ca were successfully doped into the network structure of SiOC, and the non-bridging oxygens (NBO) were formed. The hydroxycarbonate apatite (HCA) was formed on the modified SiOC surface after soaking in simulated body fluid (SBF) for 14 days, and the HCA generation rate of SiCaOC was higher than that of SiMgOC. Accompanying the increase of bioactivity, the network connectivity (NC) of the modified SiOC decreased from 6.05 of SiOC to 5.80 of SiCaOC and 5.60 of SiMgOC. However, structural characterization and biological experiments revealed the nonlinear relationship between the biological activity and NC of the modified SiOC materials. Full article
(This article belongs to the Special Issue Synergy in Polyphase Materials: Harnessing the Power of Glass and Ceramics)
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15 pages, 4658 KiB  
Article
The Impact of the Final Sintering Temperature on the Microstructure and Dielectric Properties of Ba0.75Ca0.25TiO3 Perovskite Ceramics
by Kamil Feliksik, Małgorzata Adamczyk-Habrajska, Jolanta Makowska, Joanna A. Bartkowska, Tomasz Pikula, Rafał Panek and Oliwia Starczewska
Materials 2024, 17(21), 5210; https://doi.org/10.3390/ma17215210 - 25 Oct 2024
Viewed by 573
Abstract
Ba0.75Ca0.25TiO3 ceramics were successfully synthesized by a simple solid-state reaction method. This study examined the influence of sintering temperature on the structure, microstructure, dielectric properties and electrical behavior of the material. The XRD analysis reveals that the tetragonal [...] Read more.
Ba0.75Ca0.25TiO3 ceramics were successfully synthesized by a simple solid-state reaction method. This study examined the influence of sintering temperature on the structure, microstructure, dielectric properties and electrical behavior of the material. The XRD analysis reveals that the tetragonal phase (P4mm) is dominant in all the synthesized materials, with those sintered at T = 1400 °C and T = 1450 °C being single-phase, while others exhibit a minor orthorhombic phase (Pbnm). Higher sintering temperatures promoted better grain boundary formation and larger grain sizes. The electric permittivity increased with temperature up to T = 1400 °C, followed by a sharp decline at T = 1450 °C. Additionally, the Curie temperature decreased with increasing sintering temperature, indicating changes in phase transition characteristics. Thermal analysis showed that higher sintering temperatures led to sharper heat capacity peaks, while pyroelectric and thermally stimulated depolarization currents were maximized at T = 1400 °C due to oxygen vacancies. These findings highlight the significant impact of sintering temperature on the material’s structural and functional properties. Full article
(This article belongs to the Special Issue Synergy in Polyphase Materials: Harnessing the Power of Glass and Ceramics)
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18 pages, 4690 KiB  
Article
Preparation and Properties of Nb5+-Doped BCZT-Based Ceramic Thick Films by Scraping Process
by Yang Zou, Bijun Fang, Xiaolong Lu, Shuai Zhang and Jianning Ding
Materials 2024, 17(17), 4348; https://doi.org/10.3390/ma17174348 - 2 Sep 2024
Viewed by 741
Abstract
A bottleneck characterized by high strain and low hysteresis has constantly existed in the design process of piezoelectric actuators. In order to solve the problem that actuator materials cannot simultaneously exhibit large strain and low hysteresis under relatively high electric fields, Nb5+ [...] Read more.
A bottleneck characterized by high strain and low hysteresis has constantly existed in the design process of piezoelectric actuators. In order to solve the problem that actuator materials cannot simultaneously exhibit large strain and low hysteresis under relatively high electric fields, Nb5+-doped 0.975(Ba0.85Ca0.15)[(Zr0.1Ti0.9)0.999Nb0.001]O3-0.025(Bi0.5Na0.5)ZrO3 (BCZTNb0.001-0.025BiNZ) ceramic thick films were prepared by a film scraping process combined with a solid-state twin crystal method, and the influence of sintering temperature was studied systematically. All BCZTNb0.001-0.025BiNZ ceramic thick films sintered at different sintering temperatures have a pure perovskite structure with multiphase coexistence, dense microstructure and typical dielectric relaxation behavior. The conduction mechanism of all samples at high temperatures is dominated by oxygen vacancies confirmed by linear fitting using the Arrhenius law. As the sintering temperature elevates, the grain size increases, inducing the improvement of dielectric, ferroelectric and field-induced strain performance. The 1325 °C sintered BCZTNb0.001-0.025BiNZ ceramic thick film has the lowest hysteresis (1.34%) and relatively large unipolar strain (0.104%) at 60 kV/cm, showing relatively large strain and nearly zero strain hysteresis compared with most previously reported lead-free piezoelectric ceramics and presenting favorable application prospects in the actuator field. Full article
(This article belongs to the Special Issue Synergy in Polyphase Materials: Harnessing the Power of Glass and Ceramics)
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