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Author: Rohit C. Palan Publisher: ISBN: Category : Languages : en Pages : 164
Book Description
Ferroelectric and pyroelectric effects in the Lanthanum Bismuth Titanate La x Bi 4-x Ti 3 O 12 (LBIT) solid solution thin films prepared by Metal Organic Decomposition technique were studied. The films were characterized to understand the effect of La substitution on texture of the films. X-Ray Diffraction, RAMAN spectroscopy and electron microscopy were utilized to study the effect of La on structure of the LBIT thin films. Dielectric, P-E hysterisis and static and dynamic pyroelectric measurements were carried out to study the effect of La substitution on electrical properties. Experimental results indicate that La content affects the development of c-orientation in the structure and induces tetragonality in the structure resulting in improved polarization and dielectric properties. Higher polarization along with reduced Curie temperature due to La addition improves the pyroelectric coefficient as measured with static pyroelectric method. Voltage and detectivity figures of merit were found to be high for high La content in the system. For La = 0.6 figures of merit were found to be comparable to widely studied pyroelectric thin film systems suggesting potential of LBIT thin films for the application in pyroelectric sensors.
Author: Rohit C. Palan Publisher: ISBN: Category : Languages : en Pages : 164
Book Description
Ferroelectric and pyroelectric effects in the Lanthanum Bismuth Titanate La x Bi 4-x Ti 3 O 12 (LBIT) solid solution thin films prepared by Metal Organic Decomposition technique were studied. The films were characterized to understand the effect of La substitution on texture of the films. X-Ray Diffraction, RAMAN spectroscopy and electron microscopy were utilized to study the effect of La on structure of the LBIT thin films. Dielectric, P-E hysterisis and static and dynamic pyroelectric measurements were carried out to study the effect of La substitution on electrical properties. Experimental results indicate that La content affects the development of c-orientation in the structure and induces tetragonality in the structure resulting in improved polarization and dielectric properties. Higher polarization along with reduced Curie temperature due to La addition improves the pyroelectric coefficient as measured with static pyroelectric method. Voltage and detectivity figures of merit were found to be high for high La content in the system. For La = 0.6 figures of merit were found to be comparable to widely studied pyroelectric thin film systems suggesting potential of LBIT thin films for the application in pyroelectric sensors.
Author: T. F. Connolly Publisher: Springer Science & Business Media ISBN: 1475706987 Category : Science Languages : en Pages : 692
Book Description
This volume is a joint effort of the Research Materials Information Center (RMIC) of the Solid State Division at Oak Ridge National Laboratory and the Libraries and Information Systems Center at Bell Telephone Laboratories (BTL) Murray Hill, N. J. The Research Materials Information Center has, since 1963, been answering inquiries on the avail ability, preparation, and properties of inorganic solid-state research materials. The preparation of bibliographies has been essential to this function, and the interest in ferroelectrics led to the compila tion of the journal and report literature on that subject. The 1962 book Ferroelectric Crystals, by Jona and Shirane, was taken as a cutoff point, and all papers through mid-1969 received by the Center have been included. The Libraries and Information Systems Center of BTL has, over a period of years, developed a proprie tary package of computer programs called BELDEX, which formats and generates indexes to biblio graphic material. This group therefore undertook to process RMIC's ferroelectric references by BELDEX so that both laboratories could have the benefit of an indexed basic bibliography in this important research area.
Author: Hari Singh Nalwa Publisher: Elsevier ISBN: 0080533248 Category : Technology & Engineering Languages : en Pages : 3451
Book Description
This five-volume handbook focuses on processing techniques, characterization methods, and physical properties of thin films (thin layers of insulating, conducting, or semiconductor material). The editor has composed five separate, thematic volumes on thin films of metals, semimetals, glasses, ceramics, alloys, organics, diamonds, graphites, porous materials, noncrystalline solids, supramolecules, polymers, copolymers, biopolymers, composites, blends, activated carbons, intermetallics, chalcogenides, dyes, pigments, nanostructured materials, biomaterials, inorganic/polymer composites, organoceramics, metallocenes, disordered systems, liquid crystals, quasicrystals, and layered structures. Thin films is a field of the utmost importance in today's materials science, electrical engineering and applied solid state physics; with both research and industrial applications in microelectronics, computer manufacturing, and physical devices. Advanced, high-performance computers, high-definition TV, digital camcorders, sensitive broadband imaging systems, flat-panel displays, robotic systems, and medical electronics and diagnostics are but a few examples of miniaturized device technologies that depend the utilization of thin film materials. The Handbook of Thin Films Materials is a comprehensive reference focusing on processing techniques, characterization methods, and physical properties of these thin film materials.
Author: Z-G Ye Publisher: Elsevier ISBN: 1845694007 Category : Technology & Engineering Languages : en Pages : 1091
Book Description
This comprehensive book covers recent developments in advanced dielectric, piezoelectric and ferroelectric materials. Dielectric materials such as ceramics are used to manufacture microelectronic devices. Piezoelectric components have been used for many years in radioelectrics, time-keeping and, more recently, in microprocessor-based devices. Ferroelectric materials are widely used in various devices such as piezoelectric/electrostrictive transducers and actuators, pyroelectric infrared detectors, optical integrated circuits, optical data storage and display devices.The book is divided into eight parts under the general headings: High strain high performance piezo- and ferroelectric single crystals; Electric field-induced effects and domain engineering; Morphotropic phase boundary related phenomena; High power piezoelectric and microwave dielectric materials; Nanoscale piezo- and ferroelectrics; Piezo- and ferroelectric films; Novel processing and new materials; Novel properties of ferroelectrics and related materials. Each chapter looks at key recent research on these materials, their properties and potential applications.Advanced dielectric, piezoelectric and ferroelectric materials is an important reference tool for all those working in the area of electrical and electronic materials in general and dielectrics, piezoelectrics and ferroelectrics in particular. - Covers the latest developments in advanced dielectric, piezoelectric and ferroelectric materials - Includes topics such as high strain high performance piezo and ferroelectric single crystals - Discusses novel processing and new materials, and novel properties of ferroelectrics and related materials
Author: Jose Edgar Alfonso Orjuela Publisher: BoD – Books on Demand ISBN: 9535134019 Category : Science Languages : en Pages : 172
Book Description
Rare earth elements have significant physical and chemical properties, which have been made indispensable in many magnetic, electronic, and optical applications. For instance, rare earth magnets have high magnetic intensity that can be retained at high temperatures, making them ideal for aerospace applications. Moreover, rare earth elements allow to fabricate faster, smaller, and lighter devices such as cell phones and hard drives. They are also important for in-ear headphones, microphones, loudspeakers, optical fibers, smartphones, and tablet computers. All these technological possibilities have made sure that the rare earth elements are part of the daily life. Therefore, this book has a main objective to let the readers know useful information about the rare earth elements that possibly allow development of the researches in different fields of science where the rare earth elements are used.
Author: T. F. Connolly Publisher: Springer Science & Business Media ISBN: 1468462105 Category : Science Languages : en Pages : 713
Book Description
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.
Author: Pierre Villars Publisher: Walter de Gruyter ISBN: 3110276658 Category : Science Languages : en Pages : 1827
Book Description
By browsing about 10 000 000 scientific articles of over 200 major journals mainly in a 'cover to cover approach' some 200 000 publications were selected. The extracted data is part of the following fundamental material research fields: crystal structures (S), phase diagrams (also called constitution) (C) and the comprehensive field of intrinsic physical properties (P). This work has been done systematically starting with the literature going back to 1900. The above mentioned research field codes (S, C, P) as well as the chemical systems investigated in each publication were included in the present work. The aim of the Inorganic Substances Bibliography is to provide researchers with a comprehensive compilation of all up to now published scientific publications on inorganic systems in only three handy volumes.
Author: Rohit C. Palan
Author: Rohit C. Palan
Author: Mahesh Ramanan Venugopala
Author: Khang Duy Tran
Author: T. F. Connolly
Author: Hari Singh Nalwa
Author: Z-G Ye
Author: Jose Edgar Alfonso Orjuela
Author: Hari Singh Nalwa
Author: T. F. Connolly
Author: Pierre Villars