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.
Jun 23, 2022
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
Dielectric properties refer to the properties of accumulation and loss of electrostatic energy under the action of an electric field, and the term is usually expressed in terms of
Jun 19, 2022
A grain boundary is an interface between grains with the same structure but with different orientations. At the grain boundary, the atomic arrangement transitions from one orientat
Negative temperature coefficient thermistor, also known as NTC thermistor, is a kind of sensor resistor whose resistance value decreases with the increase of temperature. Widely us
Jun 18, 2022
Thermistor is a type of sensitive element, which is divided into positive temperature coefficient thermistor (PTC) and negative temperature coefficient thermistor (NTC) according t
Dielectrics are insulators that can be electrically polarized. The charged particles of the dielectric are tightly bound by the internal or intermolecular forces of atoms and molec
Jun 17, 2022