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Advances in the Fabrication and Characterization of Glass-Based Materials

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 September 2022) | Viewed by 1920

Special Issue Editors


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Guest Editor
Department of Materials and Ceramics Engineering, CICECO—Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
Interests: glass, glass-ceramics; bioactive glasses; foam glasses; recycling

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Guest Editor
Laboratory of Multifunctional Materials and Structures, National Institute of Materials Physics, 077125 Magurele, Romania
Interests: biomaterials; physical vapour deposition; glass; advanced characterization
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Materials and Ceramics Engineering, CICECO—Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
Interests: bioactive glass; biomaterials; colloidal processing; scaffolds; additive manufacturing

Special Issue Information

Dear Colleagues,

Glasses are used in a variety of applications throughout all industry fields, ranging from construction and automotive materials to medicine and aeronautics. The range of applications of glasses (and their relatives, glass-ceramics) is defined by their properties, e.g., glass transition temperature, thermal expansion coefficient (CTE), mechanical strength, density, chemical resistance, thermal and electrical conductivity, bioactivity and refractive index. Virtually, it is possible to customize the functional properties of glasses by controlling their structure and this is mainly dependent on the chemical composition and the manufacturing technology. For instance, a small change in either the chemical composition or the manufacturing process can result in a significant improvement in their final properties.

Therefore, this Special Issue is focused on presenting the fundamental correlations between the composition, structure and properties of glasses (and glass-ceramics). Papers in the field of advanced fabrication and characterization will be considered. Works clarifying the correlation between the structure and the physico-chemical, mechanical and biological properties of glasses are of great interest. Likewise, theoretical works based on calculating the material’s structure will be also taken into consideration. However, in this case, we recommend including an experimental structural investigation confirming the theoretical considerations.

It is our pleasure to invite you to submit a manuscript for this Special Issue. Full research papers, communications and reviews are very much welcome.

Dr. Hugo R. Fernandes
Dr. George E. Stan
Prof. Dr. José M.F. Ferreira
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

  • glass
  • glass-ceramics
  • structure-properties correlation
  • advanced characterization techniques
  • glass synthesis
  • amorphous materials

Published Papers (1 paper)

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Research

17 pages, 5486 KiB  
Article
New Chalcogenide Glass-Ceramics Based on Ge-Zn-Se for IR Applications
by Alin Velea, Florinel Sava, Petre Badica, Mihail Burdusel, Claudia Mihai, Aurelian-Catalin Galca, Elena Matei, Angel-Theodor Buruiana, Outman El Khouja and Laurent Calvez
Materials 2022, 15(14), 5002; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15145002 - 18 Jul 2022
Cited by 4 | Viewed by 1520
Abstract
The consumer market requests infrared (IR) optical components, made of relatively abundant and environmentally friendly materials, to be integrated or attached to smartphones. For this purpose, three new chalcogenides samples, namely Ge23.3Zn30.0Se46.7 (d_GZSe-1), Ge26.7Zn20.0Se [...] Read more.
The consumer market requests infrared (IR) optical components, made of relatively abundant and environmentally friendly materials, to be integrated or attached to smartphones. For this purpose, three new chalcogenides samples, namely Ge23.3Zn30.0Se46.7 (d_GZSe-1), Ge26.7Zn20.0Se53.3 (d_GZSe-2) and Ba4.0Ge12.0Zn17.0Se59.0I8.0 (d_GZSe-3) were obtained by mechanical alloying and processed by spark plasma sintering into dense bulk disks. Obtaining a completely amorphous and homogeneous material proved to be difficult. d_GZSe-2 and d_GZSe-3 are glass-ceramics with the amount of the amorphous phase being 19.7 and 51.4 wt. %, while d_GZSe-1 is fully polycrystalline. Doping with barium and iodine preserves the amorphous phase formed by milling and lowers the sintering temperature from 350 °C to 200 °C. The main crystalline phase in all of the prepared samples is cubic ZnSe or cubic Zn0.5Ge0.25Se, while in d_GZSe-3 the amorphous phase contains GeSe4 clusters. The color of the first two sintered samples is black (the band gap values are 0.42 and 0.79 eV), while d_GZSe-3 is red (Eg is 1.37 eV) and is transparent in IR domain. These results are promising for future research in IR materials and thin films. Full article
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