期刊： FERROELECTRICS LETTERS SECTION, 2021; 48 (1-3)
We study the capacitance of piezoelectric metal-insulator-semiconductor junctions. The linearized macroscopic theories of piezoelectric dielectrics an......
期刊： FERROELECTRICS LETTERS SECTION, 2020; 47 (1-3)
The resonant frequency difference of piezoelectric transformers (PTs) with a classical parallel connection could worsen system performance, then the m......
期刊： FERROELECTRICS LETTERS SECTION, 2020; 47 (1-3)
A piezoelectric composite transducer was developed in this study to improve the bandwidth and beamwidth of the high-frequency transducer. The piezocom......
期刊： FERROELECTRICS LETTERS SECTION, 2020; 47 (1-3)
From the view-point of non-equilibrium (or irreversible) statistical thermodynamics, the similarities and differences between the processes of (first-......
期刊： FERROELECTRICS LETTERS SECTION, 2020; 47 (4-6)
The dielectric constant measured by the LCR-meter is a differential-type, and is not equivalent to capacitivity. Capacitivity of ferroelectrics is the......
期刊： FERROELECTRICS LETTERS SECTION, 2019; 46 (4-6)
The differences between demagnetization fields and depolarization fields were compared. The most fundamental reason is the existence of electric charg......
期刊： FERROELECTRICS LETTERS SECTION, 2019; 46 (4-6)
Energy storage is one of the major applications of antiferroelectrics due to their large energy releasing density and stronger releasing power. Theore......
期刊： FERROELECTRICS LETTERS SECTION, 2019; 46 (4-6)
Antiferroelectric double loops and double dielectric peaks occurred at an electric field circle synchronously are confirmed theretically by solving th......
期刊： FERROELECTRICS LETTERS SECTION, 2019; 46 (1-3)
The equilibrium thermodynamic approach to ferroic hysteresis was recalled firstly, especially according to the ferroelectric case. Then based on the u......
期刊： FERROELECTRICS LETTERS SECTION, 2019; 46 (1-3)
Based on the Devonshire theory, the E-induced effects of polarization, dielectrics, hysteresis loop, and energy storage are investigated. Numerical si......
期刊： FERROELECTRICS LETTERS SECTION, 2019; 46 (1-3)
We study free vibrations of thin-film bulk acoustic wave filters theoretically using the scalar differential equations by Tiersten and Stevens. The fi......
期刊： FERROELECTRICS LETTERS SECTION, 2018; 45 (1-3)
We perform a theoretical analysis on thin film bulk acoustic wave piezoelectric resonators operating with high overtone thickness-extensional modes. T......
期刊： FERROELECTRICS LETTERS SECTION, 2018; 45 (1-3)
Bi0.8Gd0.2Fe0.95Ti0.05O3 (BGFT) multiferroic ceramics were prepared by a solid-state reaction, and their sintering, microstructure, dielectric and mag......
期刊： FERROELECTRICS LETTERS SECTION, 2017; 44 (1-3)
The bandwidth of composite transducer was successfully expanded via matching layer design. Firstly, the admittance equation of transducer was deduced ......
期刊： FERROELECTRICS LETTERS SECTION, 2017; 44 (1-3)
In this paper, a very simple methodology to characterize the polarization of ferroelectrics via electrical field is proposed. This methodology allows ......
