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Piezoelectric, Ferroelectric and Dielectric Materials: Characterization, Properties and Emerging Applications

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

Deadline for manuscript submissions: closed (20 March 2026) | Viewed by 592

Editors


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Guest Editor
School of Advanced Materials and Nanotechnology, Xidian University, Xi'an 710126, China
Interests: piezoelectrics; ferroelectrics; dielectrics; ceramics; materials
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Department of Applied Physics, The Hong Kong Polytechnic University, Hong Kong, China
Interests: dielectrics; electrochemistry; functional materials; energy materials; electroceramics
State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China
Interests: piezo-/ferroelectric ceramic; polymer dielectrics
Special Issues, Collections and Topics in MDPI journals
School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: structural ceramics; dielectric/piezoelectric ceramics; thin-film materials
Special Issues, Collections and Topics in MDPI journals
School of Microelectronics, Xidian University, Xi’an 710071, China
Interests: piezoelectric materials; lead-free; ultrasonic transducers

Special Issue Information

Dear Colleagues,

We are pleased to announce a new Special Issue, Piezoelectric, Ferroelectric and Dielectric Materials: Characterization, Properties and Emerging Applications, Guest-Edited by Guangzhi Dong, to be published in [Materials] (IF: 3.4, ISSN 1996-1944).

Piezoelectric, ferroelectric, and dielectric materials have diverse functionalities that enable numerous applications, ranging from piezoelectric sensing to dielectric energy storage, which have attracted extensive research and development interest. This Special Issue will publish experimental and theoretical papers aiming to understand piezoelectric, ferroelectric, and dielectric properties, as well as their associated phenomena, in addition to applied papers dealing with the utilization of these materials in devices and systems.

This Special Issue includes—but is not limited to—the following areas:

  • The fundamentals of piezoelectric, ferroelectric, dielectric, and electrostrain properties.
  • Property characterization and property–structure relationship studies.
  • Advances in processing techniques for high-performance functional materials.
  • New systems, including ceramics, crystals, thin/thick films, and composites.
  • Industrial applications of piezoelectric, ferroelectric, and dielectric materials, including piezoelectric transducers/sensors, ferroelectric memory devices, electrostrictive actuators, dielectric energy storage applications, etc.
  • Challenges in and perspectives of development.

For this Special Issue, we invite authors to contribute research articles and reviews on the broad range of topics listed above.

We look forward to your contributions.

Dr. Guangzhi Dong
Dr. Yongbo Fan
Dr. Hang Luo
Dr. Hua Tan
Dr. Yi Quan
Guest Editors

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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

  • piezoelectrics
  • ferroelectrics
  • dielectrics
  • relaxor
  • electrostrain
  • electromechanical
  • energy storage
  • electrocaloric
  • electronic
  • ceramics
  • crystals
  • films
  • composites
  • functional materials
  • fundamentals
  • processing
  • theory
  • characterization
  • application

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Published Papers (1 paper)

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Research

20 pages, 5798 KB  
Article
Design Analysis for Controlling Spray Particle Size of Ultrasonic Nozzles Using Piezoelectric Ceramic Vibrators
by Su-Ho Lee, Sunghyun Lim, Myeong-Gwang Choi, Jae-Eun Hwang and Herie Park
Materials 2026, 19(11), 2245; https://doi.org/10.3390/ma19112245 - 26 May 2026
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Abstract
This study aims to demonstrate the feasibility of controlling particle size through a mathematical model in the design of industrially applicable ultrasonic spray nozzles by utilizing the vibrational characteristics of piezoelectric ceramics. A piezoelectric ceramic composition with a low sintering temperature and excellent [...] Read more.
This study aims to demonstrate the feasibility of controlling particle size through a mathematical model in the design of industrially applicable ultrasonic spray nozzles by utilizing the vibrational characteristics of piezoelectric ceramics. A piezoelectric ceramic composition with a low sintering temperature and excellent thermal stability (Curie temperature above 300 °C) was developed and used as a ceramic vibrator. Furthermore, the resonance frequency and nozzle displacement were calculated using the COMSOL program and applied to a mathematical model to design an ultrasonic nozzle capable of producing a spray particle diameter of approximately 30 μm. The designed ultrasonic nozzle was fabricated, and its spray characteristics were analyzed. The consistency of the spray characteristics was examined by comparing them with the mathematical model based on changes in ultrasonic nozzle length, resonance frequency, and fluid viscosity. When the ultrasonic nozzle horn length was 22 mm, the resonance frequency was found to be 42.1 kHz, and at a flow rate of 65 mL/min. the average spray particle size was approximately 30–40 μm, indicating fine and uniform particles. In addition, it can be seen that as the length of the nozzle horn increases, the resonance frequency decreases, reducing the supply energy delivered to the liquid, and the particle size increases as shown in the mathematical analysis. The theoretical separation energy required to atomize pure water at a flow rate of 65 mL/min. is 2100 J, which was found to be greater than all energy loss occurring during the atomization process. However, it can be seen that as the length of the ultrasonic nozzle increases, the maximum atomization volume increases, and as viscosity increases, the energy required to separate a single atomized particle becomes greater. Full article
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