Maxwell Displacement Current And Optical Second Harmonic Generation In Organic Materials Analysis And Application For Organic Electronics
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Maxwell Displacement Current And Optical Second-harmonic Generation In Organic Materials: Analysis And Application For Organic Electronics
Author: Mitsumasa Iwamoto
language: en
Publisher: World Scientific
Release Date: 2021-06-22
The probing and modeling of carrier transport in materials is a fundamental research subject in electronics and materials science. According to the Maxwell electromagnetic field theory, there are two kinds of currents, i.e., conduction current and Maxwell displacement current (MDC). The conduction current flows when electronic charges, e.g., electrons and holes, are conveyed in solids, whereas MDC is the transient current that is generated due to the change of electric flux density. The source of conductive current is charged particles, i.e., electrons, holes, ions, etc., and the source of MDC is also the charged particles. It is therefore anticipated that we can probe and model carrier transport in materials, in terms of 'MDC'. In other words, we can find a novel way for modeling and analyzing materials on the basis of Dielectric Physics Approach, on focusing dielectric polarization phenomena. Maxwell Displacement Current and Optical Second-Harmonic Generation are basically dielectric phenomena. The aim of this book is to show the dielectric physics approach for the study of molecular materials and organic electronics devices related to carrier transport and dielectric polarization, on focusing Maxwell Displacement Current and Optical Second-Harmonic Generation in Organic Materials from viewpoints of Analysis and Application for Organic Electronics.
Electrical And Geometrical Properties Of Organic Monolayers
Author: Mitsumasa Iwamoto
language: en
Publisher: World Scientific
Release Date: 2024-12-13
This book addresses the physical mechanisms involved in the characteristic electrical properties and the geometrical structures that are observed from dipolar monolayers composed of organic molecules by using dielectric physics, electrostatics, the physics of liquid crystal, and soft matter physics. The orientational order parameters, introduced to quantify the orientational structures of monolayers, guide us towards this goal. Dielectric polarizations are spontaneously generated from monolayers because of their orientational structures, and electrostatic energies due to these dielectric polarizations play a key role in forming the geometrical structures that are observed from monolayers. Free energy minimization is a powerful tool to understand the physical mechanisms that stabilize these geometrical structures because of the soft matter nature of monolayers. The approach using mathematical differential geometry method makes this book unique among the literatures of monolayers.
Einstein's Relativity In Great Britain: From Larmor And Eddington To Penrose And Hawking: A Tale Of Physicists, Astronomers, Mathematicians And Philosophers
Author: Jose M Sanchez-ron
language: en
Publisher: World Scientific
Release Date: 2025-05-05
Soon after their publication (1905, 1915), Einstein's special and general theories of relativity received attention by a wide variety of British scholars (astronomers, physicists, mathematicians and philosophers). That reaction varied from deep acceptance (as was the case of Arthur Eddington) to straightforward opposition. This book analyzes those reactions, which involved a large number of important scientists as well as philosophers, like Bertrand Russell or Alfred N. Whitehead. The study will cover from the 1910s till the 1960s, when the work of a group of relativists centered in London and Oxford (Penrose), Cambridge (Sciama and Hawking) as well as the Bondi's group at King's College London, who finally introduced a new, global approach to general relativity.