The Temperature Dependence Of The Complex Permittivity Of Dielectric Materials

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Temperature and Frequency Dependence of Complex Permittivity in Metal Oxide Dielectrics: Theory, Modelling and Measurement

Author : Jonathan Breeze
Publisher : Springer
ISBN 13 : 3319445472
Total Pages : 180 pages
Book Rating : 4.3/5 (194 download)

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Book Synopsis Temperature and Frequency Dependence of Complex Permittivity in Metal Oxide Dielectrics: Theory, Modelling and Measurement by : Jonathan Breeze

Download or read book Temperature and Frequency Dependence of Complex Permittivity in Metal Oxide Dielectrics: Theory, Modelling and Measurement written by Jonathan Breeze and published by Springer. This book was released on 2016-09-08 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis investigates the dielectric properties of metal-oxide ceramics at microwave frequencies. It also demonstrates for the first time that a theory of harmonic phonon coupling can effectively predict the complex permittivity of metal oxides as a function of temperature and frequency. Dielectric ceramics are an important class of materials for radio-frequency, microwave and emergent terahertz technologies. Their key property is complex permittivity, the real part of which permits the miniaturisation of devices and the imaginary part of which is responsible for the absorption of electromagnetic energy. Absorption limits the practical performance of many microwave devices such as filters, oscillators, passive circuits and antennas. Complex permittivity as a function of temperature for low-loss dielectrics is determined by measuring the resonant frequency of dielectric resonators and using the radial mode matching technique to extract the dielectric properties. There have been only a handful of publications on the theory of dielectric loss, and their predictions have often been unfortunately unsatisfactory when compared to measurements of real crystals, sometimes differing by whole orders of magnitude. The main reason for this is the lack of accurate data for a harmonic coupling coefficient and phonon eigenfrequencies at arbitrary q vectors in the Brillouin zone. Here, a quantum field theory of losses in dielectrics is applied, using results from density functional perturbation theory, to predict from first principles the complex permittivity of metal oxides as functions of frequency and temperature.

Dielectric Phenomena in Solids

Author : Kwan Chi Kao
Publisher : Elsevier
ISBN 13 : 0080470165
Total Pages : 601 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis Dielectric Phenomena in Solids by : Kwan Chi Kao

Download or read book Dielectric Phenomena in Solids written by Kwan Chi Kao and published by Elsevier. This book was released on 2004-05-11 with total page 601 pages. Available in PDF, EPUB and Kindle. Book excerpt: In general, a dielectric is considered as a non-conducting or insulating material (such as a ceramic or polymer used to manufacture a microelectronic device). This book describes the laws governing all dielectric phenomena.·A unified approach is used in describing each of the dielectric phenomena, with the aim of answering "what?", "how?" and "why" for the occurrence of each phenomenon;·Coverage unavailable in other books on ferroelectrics, piezoelectrics, pyroelectrics, electro-optic processes, and electrets;·Theoretical analyses are general and broadly applicable;·Mathematics is simplified and emphasis is placed on the physical insight of the mechanisms responsible for the phenomena;·Truly comprehensive coverage not available in the current literature.

Dielectric Materials for Wireless Communication

Author : Mailadil T. Sebastian
Publisher : Elsevier
ISBN 13 : 0080560504
Total Pages : 689 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Dielectric Materials for Wireless Communication by : Mailadil T. Sebastian

Download or read book Dielectric Materials for Wireless Communication written by Mailadil T. Sebastian and published by Elsevier. This book was released on 2010-07-07 with total page 689 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microwave dielectric materials play a key role in our global society with a wide range of applications, from terrestrial and satellite communication including software radio, GPS, and DBS TV to environmental monitoring via satellite. A small ceramic component made from a dielectric material is fundamental to the operation of filters and oscillators in several microwave systems. In microwave communications, dielectric resonator filters are used to discriminate between wanted and unwanted signal frequencies in the transmitted and received signal. When the wanted frequency is extracted and detected, it is necessary to maintain a strong signal. For clarity it is also critical that the wanted signal frequencies are not affected by seasonal temperature changes. In order to meet the specifications of current and future systems, improved or new microwave components based on dedicated dielectric materials and new designs are required. The recent progress in microwave telecommunication, satellite broadcasting and intelligent transport systems (ITS) has resulted in an increased demand for Dielectric Resonators (DRs). With the recent revolution in mobile phone and satellite communication systems using microwaves as the propagation media, the research and development in the field of device miniaturization has been a major challenge in contemporary Materials Science. In a mobile phone communication, the message is sent from a phone to the nearest base station, and then on via a series of base stations to the other phone. At the heart of each base station is the combiner/filter unit which has the job of receiving the messages, keeping them separate, amplifying the signals and sending then onto the next base station. For such a microwave circuit to work, part of it needs to resonate at the specific working frequency. The frequency determining component (resonator) used in such a high frequency device must satisfy certain criteria. The three important characteristics required for a dielectric resonator are (a) a high dielectric constant which facilitates miniaturization (b) a high quality factor (Qxf) which improves the signal-to-noise ratio, (c) a low temperature coefficient of the resonant frequency which determines the stability of the transmitted frequency. During the past 25 years scientists the world over have developed a large number of new materials (about 3000) or improved the properties of known materials. About 5000 papers have been published and more than 1000 patents filed in the area of dielectric resonators and related technologies. This book brings the data and science of these several useful materials together, which will be of immense benefit to researchers and engineers the world over. The topics covered in the book includes factors affecting the dielectric properties, measurement of dielectric properties, important low loss dielectric material systems such as perovskites, tungsten bronze type materials, materials in BaO-TiO2 system, (Zr,Sn)TiO4, alumina, rutile, AnBn-1O3n type materials, LTCC, ceramic-polymer composites etc. The book also has a data table listing all reported low loss dielectric materials with properties and references arranged in the order of increasing dielectric constant. - Collects together in one source data on all new materials used in wireless communication - Includes tabulated properties of all reported low loss dielectric materials - In-depth treatment of dielectric resonator materials

Polar Oxides

Author : Rainer Waser
Publisher : John Wiley & Sons
ISBN 13 : 3527604898
Total Pages : 391 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Polar Oxides by : Rainer Waser

Download or read book Polar Oxides written by Rainer Waser and published by John Wiley & Sons. This book was released on 2006-03-06 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt: Here, more than 20 experts from leading research institutes around the world present the entire scope of this rapidly developing field. In so doing, they cover a wide range of topics, including the characterization and investigation of structural, dielectric and piezoelectric properties of ceramic materials, a well as phase transitions, electrical and optical properties and microscopic investigations. Another feature is a complete profile of the properties of polar oxides -- from their proof to their latest applications. Throughout, the authors review, discuss and assess the material properties with regard to new and advanced characterization and imaging techniques. For physicists, physicochemists, semiconductor and solid state physicists, materials scientists, and students of chemistry and physics.

The Universal Dielectric Response

Author : Andrzej K. Jonscher
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis The Universal Dielectric Response by : Andrzej K. Jonscher

Download or read book The Universal Dielectric Response written by Andrzej K. Jonscher and published by . This book was released on 1979 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Electronic Materials

Author : Yuriy M. Poplavko
Publisher : Elsevier
ISBN 13 : 0128152567
Total Pages : 710 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Electronic Materials by : Yuriy M. Poplavko

Download or read book Electronic Materials written by Yuriy M. Poplavko and published by Elsevier. This book was released on 2018-11-23 with total page 710 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanical and thermal properties are reviewed and electrical and magnetic properties are emphasized. Basics of symmetry and internal structure of crystals and the main properties of metals, dielectrics, semiconductors, and magnetic materials are discussed. The theory and modern experimental data are presented, as well as the specifications of materials that are necessary for practical application in electronics. The modern state of research in nanophysics of metals, magnetic materials, dielectrics and semiconductors is taken into account, with particular attention to the influence of structure on the physical properties of nano-materials. The book uses simplified mathematical treatment of theories, while emphasis is placed on the basic concepts of physical phenomena in electronic materials. Most chapters are devoted to the advanced scientific and technological problems of electronic materials; in addition, some new insights into theoretical facts relevant to technical devices are presented. Electronic Materials is an essential reference for newcomers to the field of electronics, providing a fundamental understanding of important basic and advanced concepts in electronic materials science. Provides important overview of the fundamentals of electronic materials properties significant for device applications along with advanced and applied concepts essential to those working in the field of electronics Takes a simplified and mathematical approach to theories essential to the understanding of electronic materials and summarizes important takeaways at the end of each chapter Interweaves modern experimental data and research in topics such as nanophysics, nanomaterials and dielectrics

NIST Technical Note

Author :
Publisher :
ISBN 13 :
Total Pages : 558 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis NIST Technical Note by :

Download or read book NIST Technical Note written by and published by . This book was released on 1990 with total page 558 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ferroelectrics Literature Index

Author : T. F. Connolly
Publisher : Springer Science & Business Media
ISBN 13 : 1468462105
Total Pages : 713 pages
Book Rating : 4.4/5 (684 download)

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Book Synopsis Ferroelectrics Literature Index by : T. F. Connolly

Download or read book Ferroelectrics Literature Index written by T. F. Connolly and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 713 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research on ferroelectricity and ferroelectric materials started in 1920 with the discovery by Valasek that the variation of spontaneous polarization in Rochelle salt with sign and magnitude of an applied electric field traced a complete and reproducible hysteresis loop. Activity in the field was sporadic until 1935, when Busch and co-workers announced the observation of similar behavior in potassium dihydrogen phosphate and related compounds. Progress thereafter continued at a modest level with the undertaking of some theoretical as well as further experimental studies. In 1944, von Hippel and co-workers discovered ferroelectricity in barium titanate. The technological importance of ceramic barium titanate and other perovskites led to an upsurge of interest, with many new ferroelectrics being identified in the following decade. By 1967, about 2000 papers on various aspects of ferroelectricity had been published. The bulk of this widely dispersed literature was concerned with the experimental measurement of dielectric, crystallographic, thermal, electromechanical, elastic, optical, and magnetic properties. A critical and excellently organized cpmpilation based on these data appeared in 1969 with the publica tion of Landolt-Bornstein, Volume 111/3. This superb tabulation gave instant access to the results in the literature on nearly 450 pure substances and solid solutions of ferroelectric and antiferroelectric materials. Continuing interest in ferroelectrics, spurred by the growing importance of electrooptic crystals, resulted in the publication of almost as many additional papers by the end of 1969 as had been surveyed in Landolt-Bornstein.

2nd International Symposium on High-Temperature Metallurgical Processing

Author : Jiann-Yang Hwang
Publisher : John Wiley & Sons
ISBN 13 : 111806206X
Total Pages : 435 pages
Book Rating : 4.1/5 (18 download)

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Book Synopsis 2nd International Symposium on High-Temperature Metallurgical Processing by : Jiann-Yang Hwang

Download or read book 2nd International Symposium on High-Temperature Metallurgical Processing written by Jiann-Yang Hwang and published by John Wiley & Sons. This book was released on 2011-04-12 with total page 435 pages. Available in PDF, EPUB and Kindle. Book excerpt: High Temperature Metallurgical Processing contains the proceedings of the Second International Symposium on Thermal Processing of Minerals, Metals and Materials. This symposium explores physical and chemical transformations in materials that have been designed to facilitate the recovery of valuable metals or produce other useful materials. Representatives from both industry and academia focused on the latest innovative high temperature technologies. Because high temperature processes require high energy input, the presenters addressed the need for sustainable technologies that could provide low energy consumption and low pollution emissions. The symposium also examined the thermodynamics and kinetics of chemical reactions, phase transformations at elevated temperatures, and characterization of materials used or produced in high temperature processing.

Dielectric Spectroscopy of Electronic Materials

Author : Yuriy Poplavko
Publisher : Woodhead Publishing
ISBN 13 : 0128236442
Total Pages : 377 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Dielectric Spectroscopy of Electronic Materials by : Yuriy Poplavko

Download or read book Dielectric Spectroscopy of Electronic Materials written by Yuriy Poplavko and published by Woodhead Publishing. This book was released on 2021-07-06 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dielectric Spectroscopy of Electronic Materials: Applied Physics of Dielectrics incorporates the results of four decades of research and applications of dielectric spectroscopy for solids, mostly for the investigation of materials used in electronics. The book differs from others by more detailed analysis of the features of dielectric spectra conditioned by specific mechanisms of electrical polarization and conductivity. Some original methods are presented in the simulation of frequency distributions (relaxers and oscillators), with methods proposed for various ferroelectrics frequency-temperature dielectric spectra. Also described are original methods for ferroelectrics on microwaves investigation, including the features of thin films study. The book is not burdened by complex mathematical proofs and should help readers quickly understand how to apply dielectric spectroscopy methods to their own research problems. More advanced readers may also find this book valuable as a review of the key concepts and latest advances on the topics presented. - Introduces critical material characterization techniques by an expert with more than 40 years of experience in dielectric spectroscopy - Reviews advances in dielectric spectroscopy methods to enable advances such as the miniaturization of electronics at the nanoscale - Provides an overview of polarization mechanisms utilizing different models (i.e., oscillator and relaxation)

Proceedings of Symposium P, Electromagnetic Materials

Author : Hock Lim
Publisher : World Scientific
ISBN 13 : 9812709541
Total Pages : 238 pages
Book Rating : 4.8/5 (127 download)

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Book Synopsis Proceedings of Symposium P, Electromagnetic Materials by : Hock Lim

Download or read book Proceedings of Symposium P, Electromagnetic Materials written by Hock Lim and published by World Scientific. This book was released on 2007 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: The contributions to this volume deliberate the electrical and magnetic properties of materials relevant to the design of unconventional antennas, microwave circuits/components, anti-reflection media and coatings, EMI shielding structures, radomes, etc. Though a classical research topic, some recent advancements in technology have led to new capabilities to create and control fine-scale structures. This has inspired scientists to develop new materials with exceptionally high permittivity or permeability, as well as metamaterials (or negative index materials) with unusual electromagnetic properties. Novel materials based on the use of active devices to control their electromagnetic performance have also been proposed. The multi-disciplinary nature of these new materials has brought together researchers from materials science, physics and electrical engineering to explore and deepen our current understanding of electromagnetic wave propagation. A wide range of new commercial/defence applications of these materials is expected to emerge in the near future.

Proceedings of the Sixth International Symposium on Dielectric Materials and Applications (ISyDMA’6)

Author : Ashok Vaseashta
Publisher : Springer Nature
ISBN 13 : 3031113977
Total Pages : 279 pages
Book Rating : 4.0/5 (311 download)

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Book Synopsis Proceedings of the Sixth International Symposium on Dielectric Materials and Applications (ISyDMA’6) by : Ashok Vaseashta

Download or read book Proceedings of the Sixth International Symposium on Dielectric Materials and Applications (ISyDMA’6) written by Ashok Vaseashta and published by Springer Nature. This book was released on 2022-09-25 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses to the materials scientists, physicists, chemists, biologists, and electrical engineers engaged in fundamental and applied research or technical investigations on such materials. The goal of the International Symposium on Dielectric Materials and Applications conference series is to provide an innovative platform for key researchers, scientists from all over the world to exchange ideas and to hold wide ranging discussions on recent developments in dielectric materials and their new and emerging applications. The aim of ISyDMA meeting is to provide an international forum for the discussion of current research on high k-dielectric, electrical insulation, dielectric phenomena, and topics related to emerging applications.

Electromagnetic Materials - Proceedings Of The International Conference On Materials For Advanced Technologies (Symposium P)

Author : Hock Lim
Publisher : World Scientific
ISBN 13 : 9814474525
Total Pages : 238 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Electromagnetic Materials - Proceedings Of The International Conference On Materials For Advanced Technologies (Symposium P) by : Hock Lim

Download or read book Electromagnetic Materials - Proceedings Of The International Conference On Materials For Advanced Technologies (Symposium P) written by Hock Lim and published by World Scientific. This book was released on 2007-06-20 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: The contributions to this volume deliberate the electrical and magnetic properties of materials relevant to the design of unconventional antennas, microwave circuits/components, anti-reflection media and coatings, EMI shielding structures, radomes, etc. Though a classical research topic, some recent advancements in technology have led to new capabilities to create and control fine-scale structures. This has inspired scientists to develop new materials with exceptionally high permittivity or permeability, as well as metamaterials (or negative index materials) with unusual electromagnetic properties. Novel materials based on the use of active devices to control their electromagnetic performance have also been proposed. The multi-disciplinary nature of these new materials has brought together researchers from materials science, physics and electrical engineering to explore and deepen our current understanding of electromagnetic wave propagation. A wide range of new commercial/defence applications of these materials is expected to emerge in the near future.

Dielectric Phenomena in Solids

Author : Kwan Chi Kao
Publisher : Academic Press
ISBN 13 : 0123965616
Total Pages : 602 pages
Book Rating : 4.1/5 (239 download)

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Book Synopsis Dielectric Phenomena in Solids by : Kwan Chi Kao

Download or read book Dielectric Phenomena in Solids written by Kwan Chi Kao and published by Academic Press. This book was released on 2004-03-11 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt: The only available, comprehensive reference on dielectric phenomena in solids.

Broadband Dielectric Spectroscopy

Author : Friedrich Kremer
Publisher : Springer Science & Business Media
ISBN 13 : 3642561209
Total Pages : 740 pages
Book Rating : 4.6/5 (425 download)

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Book Synopsis Broadband Dielectric Spectroscopy by : Friedrich Kremer

Download or read book Broadband Dielectric Spectroscopy written by Friedrich Kremer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 740 pages. Available in PDF, EPUB and Kindle. Book excerpt: Both an introductory course to broadband dielectric spectroscopy and a monograph describing recent dielectric contributions to current topics, this book is the first to cover the topic and has been hotly awaited by the scientific community.

Fundamentals of Rock Physics

Author : Nikolai Bagdassarov
Publisher : Cambridge University Press
ISBN 13 : 1108390196
Total Pages : 566 pages
Book Rating : 4.1/5 (83 download)

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Book Synopsis Fundamentals of Rock Physics by : Nikolai Bagdassarov

Download or read book Fundamentals of Rock Physics written by Nikolai Bagdassarov and published by Cambridge University Press. This book was released on 2021-12-09 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rock physics encompasses practically all aspects of solid and fluid state physics. This book provides a unified presentation of the underlying physical principles of rock physics, covering elements of mineral physics, petrology and rock mechanics. After a short introduction on rocks and minerals, the subsequent chapters cover rock density, porosity, stress and strain relationships, permeability, poroelasticity, acoustics, conductivity, polarizability, magnetism, thermal properties and natural radioactivity. Each chapter includes problem sets and focus boxes with in-depth explanations of the physical and mathematical aspects of underlying processes. The book is also supplemented by online MATLAB exercises to help students apply their knowledge to numerically solve rock physics problems. Covering laboratory and field-based measurement methods, as well as theoretical models, this textbook is ideal for upper-level undergraduate and graduate courses in rock physics. It will also make a useful reference for researchers and professional scientists working in geoscience and petroleum engineering.

Developments in Dielectric Materials and Electronic Devices

Author : K. M. Nair
Publisher : John Wiley & Sons
ISBN 13 : 1118408195
Total Pages : 416 pages
Book Rating : 4.1/5 (184 download)

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Book Synopsis Developments in Dielectric Materials and Electronic Devices by : K. M. Nair

Download or read book Developments in Dielectric Materials and Electronic Devices written by K. M. Nair and published by John Wiley & Sons. This book was released on 2012-04-11 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers in this volume include topics such as materials synthesis and processing; relaxors; novel compositions; material design; materials for multilayer electronic devices; processing-microstructure-property relationship; applications; environmental issues; and economic/cost analysis of tomorrow's electronic devices. Includes 38 papers.