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Synthesis and Processing of Advanced Ceramics
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Synthesis and Processing of Advanced 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: closed (10 November 2021) | Viewed by 6186

Special Issue Editor

Dr. Lavinia Petronela Curecheriu

E-Mail Website
Guest Editor
Faculty of Physics, Universitatea Alexandru Ioan Cuza, Iasi, Romania
Interests: dielectric properties; dc tunability; ferroelectric properties; electroceramics; core–shell composites
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Advanced ceramics have come of age in the 21st century. They offer unique physical, thermal, and electrical properties that have opened up a new world of development opportunities for manufacturers in a wide range of industries. Advanced ceramics provide the perfect solution and a cost-effective, high performance alternative to traditional materials such as metals, plastics, and glass. Innovative synthesis and processing techniques of advanced ceramics have also made extraordinary advances with the development of complex structures with novel combination of materials, which can be used to create innovative products both for consumers and the industry. In the future, developments in the advanced ceramics field can be expected to be driven by implementation of combination synthesis methods and novel processing techniques. In particular, tailoring the functional properties by controlling microstructure may enable new functionalities. Synthesis and processing methods have promoted a good wealth of fundamental and applied research into ceramics materials with the potential to meet stringent requirements placed by technological areas ranging from wireless communication, energy storage, sensors and actuators, just to mention a few.

It is my pleasure to invite you to submit a manuscript for this Special Issue. Full papers, communications, and reviews are all welcome.

Dr. Lavinia Petronela Curecheriu
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

  • Pb-free ceramics
  • wet chemistry methods
  • core-shell structures
  • electroceramics
  • optoceramics
  • processing
  • energy stogare

Published Papers (2 papers)

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Research

13 pages, 3097 KiB  
Article
Evaluation of Rhodamine B Photocatalytic Degradation over BaTiO3-MnO2 Ceramic Materials
by Iwona Kuźniarska-Biernacka, Barbara Garbarz-Glos, Elżbieta Skiba, Waldemar Maniukiewicz, Wojciech Bąk, Maija Antonova, Susana L. H. Rebelo and Cristina Freire
Materials 2021, 14(12), 3152; https://doi.org/10.3390/ma14123152 - 8 Jun 2021
Cited by 13 | Viewed by 2507
Abstract
Ferroelectric ceramics (BaTiO3_MnO2) with different Mn admixtures were prepared using solid-state synthesis. Elemental analysis, powder X-ray diffraction, scanning electron microscopy, Fourier-transform infrared spectroscopy, and impedance spectroscopy confirmed that the BaTiO3 and MnO2 coexisted in the ceramics. In [...] Read more.
Ferroelectric ceramics (BaTiO3_MnO2) with different Mn admixtures were prepared using solid-state synthesis. Elemental analysis, powder X-ray diffraction, scanning electron microscopy, Fourier-transform infrared spectroscopy, and impedance spectroscopy confirmed that the BaTiO3 and MnO2 coexisted in the ceramics. In addition, the high purity and homogeneity of the element distributions in the ceramic samples were confirmed. The adsorptive and photocatalytic properties of the BaTiO3 (reference sample, BTO) and BaTiO3_MnO2 materials (BTO_x, where x is wt.% of MnO2 and x = 1, 2 or 3, denoted as BTO_1, BTO_2 and BTO_3, respectively) were evaluated using Rhodamine B (RhB) as the model dye in a photocatalytic chamber equipped with a UV lamp (15 W) in the absence of additional oxidants and (co)catalysts. No adsorption of RhB dye was found for all the materials during 360 min (dark experiment). All samples were photocatalytically active, and the best results were observed for the BTO_3 material, where RhB was 70% removed from aqueous solution during 360 min of irradiation. The photodegradation of RhB in the presence of MnO2-modified BTO ceramics followed a pseudo-first order model and the rate constant of BTO_3 was about 10 times higher than that of BTO, 2 times that of BTO_2, and 1.5 times that of BTO_1. The photocatalysts could be successfully reused after thermal activation. Full article
(This article belongs to the Special Issue Synthesis and Processing of Advanced Ceramics)
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9 pages, 3786 KiB  
Communication
Scale-Dependent Dielectric Properties in BaZr0.05Ti0.95O3 Ceramics
by Leontin Padurariu, Vlad-Alexandru Lukacs, George Stoian, Nicoleta Lupu and Lavinia Petronela Curecheriu
Materials 2020, 13(19), 4386; https://doi.org/10.3390/ma13194386 - 1 Oct 2020
Cited by 7 | Viewed by 2872
Abstract
In the present work, BaZr0.05Ti0.95O3 ceramics with grain sizes between 0.45 and 135 µm were prepared by solid-state reaction and classical sintering. The effect of grain size on dielectric properties was systematically explored, and it was found that [...] Read more.
In the present work, BaZr0.05Ti0.95O3 ceramics with grain sizes between 0.45 and 135 µm were prepared by solid-state reaction and classical sintering. The effect of grain size on dielectric properties was systematically explored, and it was found that dielectric permittivity reaches a maximum value for grain sizes between 1.5 and 10 µm and then rapidly drops for larger grain sizes. A numerical finite element method was employed to eliminate the effect of porosity on the effective values of permittivity. The results indicate that it is possible to have a critical size in slightly doped barium titanate ceramics with enhanced functional properties for a grain size between 1.5 and 10 µm. Full article
(This article belongs to the Special Issue Synthesis and Processing of Advanced Ceramics)
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