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| Author | : 翁崇銘 |
| Publisher | : |
| Total Pages | : 147 |
| Release | : 2018 |
| Genre | : |
| ISBN | : |
| Author | : Jiagang Wu |
| Publisher | : Springer |
| Total Pages | : 529 |
| Release | : 2018-08-22 |
| Genre | : Technology & Engineering |
| ISBN | : 9811089981 |
This book systematically reviews the history of lead-free piezoelectric materials, including the latest research. It also addresses a number of important issues, such as new types of materials prepared in a multitude of sizes, structural and physical properties, and potential applications for high-performance devices. Further, it examines in detail the state of the art in lead-free piezoelectric materials, focusing on the pathways to modify different structures and achieve enhanced physical properties and new functional behavior. Lastly, it discusses the prospects for potential future developments in lead-free piezoelectric materials across disciplines and for multifunctional applications. Given its breadth of coverage, the book offers a comprehensive resource for graduate students, academic researchers, development scientists, materials producers, device designers and applications engineers who are working on or are interested in advanced lead-free piezoelectric materials.
| Author | : Jing-Feng Li |
| Publisher | : John Wiley & Sons |
| Total Pages | : 240 |
| Release | : 2021-07-06 |
| Genre | : Technology & Engineering |
| ISBN | : 3527345124 |
Provides in-depth knowledge on lead-free piezoelectrics - for state-of-the-art, environmentally friendly electrical and electronic devices! Lead zirconate titanate ceramics have been market-dominating due to their excellent properties and flexibility in terms of compositional modifications. Driven by the Restriction of Hazardous Substances Directive, there is a growing concern on the toxicity of lead. Therefore, numerous research efforts were devoted to lead-free piezoelectrics from the beginning of this century. Great progress has been made in the development of high-performance lead-free piezoelectric ceramics which are already used, e.g., for power electronics applications. Lead-Free Piezoelectric Materials provides an in-depth overview of principles, material systems, and applications of lead-free piezoelectric materials. It starts with the fundamentals of piezoelectricity and lead-free piezoelectrics. Then it discusses four representative lead-free piezoelectric material systems from background introduction to crystal structures and properties. Finally, it presents several applications of lead-free piezoelectrics including piezoelectric actuators, and transducers. The challenges for promoting applications will also be discussed. Highly attractive: Lead-free piezoelectrics address the growing concerns on exclusion of hazardous substances used in electrical and electronic devices in order to protect human health and the environment Thorough overview: Covers fundamentals, different classes of materials, processing and applications Unique: discusses fundamentals and recent advancements in the field of lead-free piezoelectrics Lead-Free Piezoelectric Materials is of high interest for material scientists, electrical and chemical engineers, solid state chemists and physicists in academia and industry.
| Author | : Shashank Priya |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 521 |
| Release | : 2011-11-19 |
| Genre | : Technology & Engineering |
| ISBN | : 1441995986 |
Ecological restrictions in many parts of the world are demanding the elimination of Pb from all consumer items. At this moment in the piezoelectric ceramics industry, there is no issue of more importance than the transition to lead-free materials. The goal of Lead-Free Piezoelectrics is to provide a comprehensive overview of the fundamentals and developments in the field of lead-free materials and products to leading researchers in the world. The text presents chapters on demonstrated applications of the lead-free materials, which will allow readers to conceptualize the present possibilities and will be useful for both students and professionals conducting research on ferroelectrics, piezoelectrics, smart materials, lead-free materials, and a variety of applications including sensors, actuators, ultrasonic transducers and energy harvesters.
| Author | : Kenji Uchino |
| Publisher | : Elsevier |
| Total Pages | : 697 |
| Release | : 2010-09-27 |
| Genre | : Technology & Engineering |
| ISBN | : 1845699750 |
Piezoelectric materials produce electric charges on their surfaces as a consequence of applying mechanical stress. They are used in the fabrication of a growing range of devices such as transducers (used, for example, in ultrasound scanning), actuators (deployed in such areas as vibration suppression in optical and microelectronic engineering), pressure sensor devices (such as gyroscopes) and increasingly as a way of producing energy. Their versatility has led to a wealth of research to broaden the range of piezoelectric materials and their potential uses. Advanced piezoelectric materials: science and technology provides a comprehensive review of these new materials, their properties, methods of manufacture and applications. After an introductory overview of the development of piezoelectric materials, Part one reviews the various types of piezoelectric material, ranging from lead zirconate titanate (PZT) piezo-ceramics, relaxor ferroelectric ceramics, lead-free piezo-ceramics, quartz-based piezoelectric materials, the use of lithium niobate and lithium in piezoelectrics, single crystal piezoelectric materials, electroactive polymers (EAP) and piezoelectric composite materials. Part two discusses how to design and fabricate piezo-materials with chapters on piezo-ceramics, single crystal preparation techniques, thin film technologies, aerosol techniques and manufacturing technologies for piezoelectric transducers. The final part of the book looks at applications such as high-power piezoelectric materials and actuators as well as the performance of piezoelectric materials under stress. With its distinguished editor and international team of expert contributors Advanced piezoelectric materials: science and technology is a standard reference for all those researching piezoelectric materials and using them to develop new devices in such areas as microelectronics, optical, sound, structural and biomedical engineering. Provides a comprehensive review of the new materials, their properties and methods of manufacture and application Explores the development of piezoelectric materials from the historical background to the present status Features an overview of manufacturing methods for piezoelectric ceramic materials including design considerations
| Author | : 楊松齡 |
| Publisher | : |
| Total Pages | : 120 |
| Release | : 2013 |
| Genre | : |
| ISBN | : |
| Author | : R. Saravanan |
| Publisher | : Materials Research Forum LLC |
| Total Pages | : 176 |
| Release | : 2018-11-25 |
| Genre | : Technology & Engineering |
| ISBN | : 194529194X |
Discover in this book the results of a systematic investigation of the dielectric, ferroelectric and piezoelectric properties of promising lead-free solid solution ceramics. Lead-based perovskite ceramics are most important for piezoelectric and ferroelectric devices, but the toxicity of lead has raised serious environmental issues. This is why much research presently is concerned with the development of efficient lead-free systems. Lead-free ceramics with the most promising piezoelectric properties are based on barium titanate, modified sodium potassium niobate, sodium bismuth titanate, etc. The present book presents the results of a systematic investigation of the dielectric, ferroelectric and piezoelectric properties of this type of lead-free solid solution ceramics as obtained by way of powder X-ray diffraction, scanning electron microscopy, energy dispersive X-ray spectroscopy, UV-visible spectroscopy, dielectric, ferroelectric and piezoelectric measurements. Also determined was the electron density distribution of five series of lead-free barium titanate piezoelectric ceramics using experimental X-ray diffraction data.
| Author | : Swetapadma Praharaj |
| Publisher | : CRC Press |
| Total Pages | : 212 |
| Release | : 2023-12-01 |
| Genre | : Technology & Engineering |
| ISBN | : 1003803873 |
This book explains the state-of-the-art green piezoelectric energy harvesting (PEH) technology. It highlights different aspects of PEH, starting right from the materials, their synthesis, and characterization techniques to applications. Various types of materials, including ceramics, polymers, composites, and bio-inspired compounds in nano, micro, and meso scale and their recent advancements are captured in detail with special focus on lead-free systems. Different challenges and issues faced while designing a PEH are also included. Features: Guides on how to harvest piezoelectric energy in a sustainable manner. Describes related figures of merit for piezoelectric energy harvesting. Covers synthesis of piezoelectric materials in the form of bulk, single crystal, nano, and thin/thick film. Includes pertinent advanced characterization techniques. Reviews piezo-energy harvesting devices and structures. This book is aimed at researchers, professionals, and graduate students in electrical engineering, materials, and energy.
| Author | : Amanda Gronotte |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2009 |
| Genre | : Ferroelectricity |
| ISBN | : |
In our efforts to develop new lead-free piezoelectric materials, K0.5Na0.5NbO3 (KNN)-based ceramics were prepared by a new solid-state synthetic method using potassium fluoride (KF) as a sintering agent. The addition of KF resulted in ceramics with enhanced density and quality. Piezoelectric properties were improved over those of conventionally sintered KNN ceramics. Chemical analyses were performed by means of Energy Dispersive Spectroscopy (EDS) and X-ray Photoelectron Spectroscopy (XPS) to deduce the sintering mechanism. The ferroelectric solid-solution of (1-X)(K0.5Na0.5)NbO3-xBi3AlO3 was synthesized by solid state reaction. A partial temperature-composition phase diagram was established, which includes a morphotropic phase boundary in the composition range 0.002 = x
| Author | : Toshio Ogawa |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 240 |
| Release | : 2016-08-24 |
| Genre | : Technology & Engineering |
| ISBN | : 9535125583 |
The science and technology in the area of piezoelectric ceramics are extremely progressing, especially the materials research, measurement technique, theory and applications, and furthermore, demanded to fit social technical requests such as environmental problems. While they had been concentrated on piezoelectric ceramics composed of lead-containing compositions, such as lead zirconate titanate (PZT) and lead titanate, at the beginning because of the high piezoelectricity, recently lead water pollution by soluble PZT of our environment must be considered. Therefore, different new compositions of lead-free ceramics in order to replace PZT are needed. Until now, there have been many studies on lead-free ceramics looking for new morphotropic phase boundaries, ceramic microstructure control to realize high ceramic density, including composites and texture developments, and applications to new evaluation techniques to search for high piezoelectricity. The purpose of this book is focused on the latest reports in piezoelectric materials such as lead-free ceramics, single crystals, and thin films from viewpoints of piezoelectric materials, piezoelectric science, and piezoelectric applications.
