An electric dipole is a system of two equal and opposite point charges. The characteristics of an electric dipole are described by the electric dipole moment p=ql, where l is the d
Jun 25, 2022
Ion displacement polarization refers to the elastic displacement of positive and negative ions in the dielectric under the action of an external electric field, the positive ions m
Ultra-high-speed integrated circuit is a kind of ultra-large-scale integrated circuit, which is developed to meet the requirements of military high-speed signal processing, nuclear
Jun 24, 2022
Imaging is the imaging technology of biological samples, which can be roughly divided into tissue imaging and cellular and molecular microscopy according to the size of the sample.
The surface acoustic wave device utilizes the characteristics of the acoustic-electrical transducer to perform various processing on the acoustic signal propagating on the surface
Jun 23, 2022
A modulated structure refers to a basic structure with a certain repetition period, which is modified by a long-range period with a larger repetition interval.
Interface effects A series or series-parallel system composed of multiple components or multiple materials. Any kind of semiconductor device can be regarded as a series or series-p
Jun 22, 2022
The quantum size effect refers to the phenomenon that when the particle size decreases to a certain value, the electron energy level near the Fermi level changes from quasi-continu
Ultrafine powder technology is an emerging technology. After the material is ultrafinely pulverized, the formed powder has good surface properties, such as dispersibility and solub
Jun 21, 2022
Ferroelectric materials refer to a class of materials with ferroelectric effect, which is a branch of pyroelectric materials. Ferroelectric materials and their applications have be
Ferroelectric ceramics are ceramic materials with ferroelectricity. Common ferroelectric ceramics are mostly perovskite type structures, such as barium titanate ceramics and their
Jun 20, 2022
Piezoelectric ceramics is an information functional ceramic material that can convert mechanical energy and electrical energy to each other - piezoelectric effect. In addition to p