By Ashim Kumar Bain, Prem Chand
Combining either basic rules and real-life purposes in one quantity, this booklet discusses the newest examine ends up in ferroelectrics, together with many new ferroelectric fabrics for the most recent applied sciences, reminiscent of capacitors, transducers and memories.
the 1st chapters introduce dielectrics and microscopic fabrics homes, whereas the subsequent bankruptcy discusses pyroelectricity and piezoelectricity. the bigger a part of the textual content is dedicated to ferroelectricity and ferroelectric ceramics, with not just their basics but additionally purposes mentioned. The publication concludes with a glance on the destiny for laser revealed fabrics and applications.
With over six hundred references to fresh guides on piezoelectric and ferroelectric fabrics, this is often a useful reference for physicists, fabrics scientists and engineers.
Read Online or Download Ferroelectrics: Principles and Applications PDF
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Extra resources for Ferroelectrics: Principles and Applications
Example text
Both Thomson [8] and Voigt [9] helped develop a theory for the processes behind pyroelectricity. Progress has been made in creating artificial pyroelectric materials, usually in the form of a thin film, out of gallium nitride (GaN), cesium nitrate (CsNO3 ), polyvinyl fluorides, derivatives of phenylpyridine, and cobalt phthalocyanine. Lithium tantalate (LiTaO3 ) is a crystal exhibiting pyroelectric properties that has been used to create small-scale nuclear fusion (“pyroelectric fusion”) [10]. A pyroelectric can be repeatedly heated and cooled (analogously to a heat engine) to generate usable electrical power.
London, Ser. A, 152, 231–252. com (accessed 13 February 2009). 1 Introduction The macroscopic electromagnetic properties of matter are commonly described by specifying the current density J, electric displacement D, and magnetic induction B as functions of the electric and magnetic intensities E and H. In the majority of substances, these relations are found to be linear, leading to the definitions of the conductivity, dielectric constants, and permeability tensors. The meaning of the word “linear” must be made more precise as soon as we consider time-varying fields.
It uses a physical phenomenon called piezoelectric effect to generate an electric spark that ignites the combustible gas from the stove burner. The phenomenon of piezoelectric effect can be briefly explained as follows: when pressure is applied along one axis of a crystal (mechanical axis), a potential difference develops across the transverse axis (electrical axis) of the crystal. The crystals that exhibit such property are called piezoelectric crystals. Tourmaline and quartz are some well-known piezoelectric crystals.