Crystal Structure and Dielectric Properties of Ceramics

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Polycrystalline Ceramics".

Deadline for manuscript submissions: 15 November 2024 | Viewed by 455

Special Issue Editors


E-Mail Website
Guest Editor
School of Electronic and Information Engineering, Anhui University, Hefei 230601, China
Interests: microwave dielectric ceramics; low temperature co-fired ceramic; integrated devices; crystal structure

E-Mail Website
Guest Editor
University of Electronic Science and Technology of China, Chengdu 611173, China
Interests: dielectric properties; crystal structure; ferrites

Special Issue Information

Dear Colleagues,

The booming development of communication technology has greatly accelerated research on ceramics, especially considering their superiorities when applied for filters, waveguides, duplexers, and resonators. The current issue will focus on the mechanisms, synthesis, and crystal structure of ceramics and discuss their effects on dielectric properties and applications. Research areas may include (but are not limited to) the following: (1) the exploration of novel ceramic systems; (2) the low-temperature synthesis and preparation of ceramics; (3) the correlation between crystal structure and performance; (4) potential applications;

This Special Issue on “Crystal Structure and Dielectric Properties of Ceramics” will provide a valuable and timely collection of recent advances in the synthesis, fundamentals, characterization, and applications of ceramics. We are pleased to invite you to contribute your findings and insights on the ceramics.

Dr. Gang Wang
Dr. Jie Li
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. Crystals is an international peer-reviewed open access monthly 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

  • ceramics
  • dielectric properties
  • crystal structure
  • synthesis and preparation of ceramics
  • theoretical Investigations
  • simulations and modeling
  • applications of ceramics

Published Papers (1 paper)

Order results
Result details
Select all
Export citation of selected articles as:

Research

11 pages, 5720 KiB  
Article
Investigation of the Positive Temperature Coefficient Resistivity of Nb-Doped Ba0.55Sr0.45TiO3 Ceramics
by Yifei Wang and Xiaoyang Chen
Crystals 2024, 14(5), 419; https://doi.org/10.3390/cryst14050419 - 29 Apr 2024
Viewed by 351
Abstract
The demands of low-Curie-temperature (~−10 °C) positive temperature coefficient (PTC) thermistors are increasing in advanced precision integrated circuits and other industries. In this paper, the Nb-doped Ba0.55Sr0.45TiO3(BST)-based PTC resistivity materials are reported. The effects of the sintering [...] Read more.
The demands of low-Curie-temperature (~−10 °C) positive temperature coefficient (PTC) thermistors are increasing in advanced precision integrated circuits and other industries. In this paper, the Nb-doped Ba0.55Sr0.45TiO3(BST)-based PTC resistivity materials are reported. The effects of the sintering process, especially the cooling rate on the PTC properties of the material, are investigated. The results indicate that the Ba0.55Sr0.45Ti0.9985Nb0.0015O3 composition of the prepared PTC ceramics demonstrates promising PTC characteristics. These include a Curie temperature as low as −13 °C, a high temperature coefficient of 0.296 at −3.4 °C, a large enough resistivity change of 3.1 over a narrow phase transition temperature range of approximately 38 °C, and moderate resistivity below the Curie temperature. Such properties suggest that the Ba0.55Sr0.45Ti0.9985Nb0.0015O3 ceramics are likely suitable for use in thermal management systems designed for low-temperature control. Full article
(This article belongs to the Special Issue Crystal Structure and Dielectric Properties of Ceramics)
Show Figures

Figure 1

Back to TopTop