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Author: Blossom Jenkins Publisher: Syrawood Publishing House ISBN: 9781647404024 Category : Science Languages : en Pages : 0
Book Description
The rare-earth elements (REEs) or lanthanides refer to a group of 17 nearly identical lustrous silvery-white soft heavy metals. These comprise the 15 lanthanides listed on the periodic table as well as yttrium and scandium. REEs are lustrous but they tarnish in air. The rare earth metals have high electrical conductivity. There are extremely minute differences in the solubility and complex formation between these elements. Lanthanum, cerium, neodymium and yttrium are the most abundant rare earth elements. The primary economic sources of REEs are the minerals loparite, bastnasite, monazite, and lateritic ion-adsorption clays. They react with other metallic and non-metallic elements to form compounds having distinct chemical properties. REEs are utilized in the production of phosphors, catalysts and polishing compounds. The compounds that comprise rare earth elements have a wide range of uses including lasers, magnetic materials, electrical and electronic components, glass and industrial processes. They are also used for defense applications such as radar and sonar systems, electronic displays, and guidance systems. This book contains some path-breaking studies related to the rare earth elements. Researchers and students studying these elements will be greatly assisted by it.
Author: Blossom Jenkins Publisher: Syrawood Publishing House ISBN: 9781647404024 Category : Science Languages : en Pages : 0
Book Description
The rare-earth elements (REEs) or lanthanides refer to a group of 17 nearly identical lustrous silvery-white soft heavy metals. These comprise the 15 lanthanides listed on the periodic table as well as yttrium and scandium. REEs are lustrous but they tarnish in air. The rare earth metals have high electrical conductivity. There are extremely minute differences in the solubility and complex formation between these elements. Lanthanum, cerium, neodymium and yttrium are the most abundant rare earth elements. The primary economic sources of REEs are the minerals loparite, bastnasite, monazite, and lateritic ion-adsorption clays. They react with other metallic and non-metallic elements to form compounds having distinct chemical properties. REEs are utilized in the production of phosphors, catalysts and polishing compounds. The compounds that comprise rare earth elements have a wide range of uses including lasers, magnetic materials, electrical and electronic components, glass and industrial processes. They are also used for defense applications such as radar and sonar systems, electronic displays, and guidance systems. This book contains some path-breaking studies related to the rare earth elements. Researchers and students studying these elements will be greatly assisted by it.
Author: A.R. Jha Publisher: CRC Press ISBN: 1466564032 Category : Science Languages : en Pages : 371
Book Description
Recent studies indicate that China accounts for about 96 percent of the world’s supply of rare earth materials (REMs). With REMs becoming increasingly important for a growing number of high-tech applications, appropriate action must be taken to mitigate the effects of a shortage of critical REMs in defense systems and components. Bringing together information previously available only from disparate journal articles and databases, Rare Earth Materials: Properties and Applications describes the unique characteristics and applications of 17 REMs. It defines their chemical, electrical, thermal, and optical characteristics. Maintaining a focus on physical and chemical properties, it addresses the history and critical issues pertaining to mining and processing of REMs. In this book, Dr. A.R. Jha continues his distinguished track record of distilling complex theoretical physical concepts into an understandable technical framework that can be extended to practical applications across commercial and industrial frameworks. He summarizes the chemical, optical, electrical, thermal, magnetic, and spectroscopic properties of REMs best suited for next-generation commercial and military systems or equipment. Coverage includes extraction, recycling, refinement, visual inspection, identification of spectroscopic parameters, quality control, element separation based on specific application, pricing control, and environmental / geo-political considerations. Potential applications are identified with an emphasis on scientific instruments, nuclear resonance imaging equipment, MRI systems, magnetic couplers for uranium enrichment equipment, battery-electrodes, electric motors, electric generators, underwater sensors, and commercial and military sensors. The book describes unique applications of rare earth magnets in all-electric and hybrid electric cars and microwave components. It also considers the use of rare earth magnets in commercial and military systems where weight and size are the critical design requirements. Suitable for both students and design engineers involved in the development of high-technology components or systems, the book concludes by summarizing future applications in electro-optic systems and components, including infrared lasers, diode-pumped solid-state lasers operating at room temperatures, and other sophisticated military and commercial test equipment
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: Michael Aide Publisher: BoD – Books on Demand ISBN: 1789847400 Category : Technology & Engineering Languages : en Pages : 102
Book Description
This book describes the recent evolution of rare earth elements and their mineralogy, both natural and synthetic analogues. Authors review and document rare earth element chemistry in the aqueous environment and the petrology of the rare earth element-bearing mineral Allanite. Synthetic rare earth minerals and their applications is a rapidly evolving discipline important to medicine, advanced digital technologies, and solid-state physics. Authors report on the synthesis of a macrocyclic gadolinium complex and also gadolinium complexes and their applications in medicine. Authors present compelling advances in gadolinium isotopes and oxides as substrates for induced excitation and luminescent material sciences.
Author: Bradley S. Van Gosen Publisher: ISBN: 9781411342941 Category : Rare earth metals Languages : en Pages :
Book Description
"Because of their unique special chemical properties, many of the metals in the group of rare earth elements (REEs) have essential applications in 21st century technologies. Because REEs are essential for technological applications and are primarily supplied by one Nation, there has been an increased concern in identifying new sources of REEs, including economic REE deposits"--Provided by publisher.
Author: Frank R. Spellman Publisher: ISBN: 9781032396682 Category : Rare earth metals Languages : en Pages : 0
Book Description
"This book examines the rare earth elements (REEs), materials, and metals that are critical to modern life. The Science of Rare Earth Elements: Concepts and Applications defines these elements, their history, properties, and current and potential future applications across a wide range of industries across the world. It also discusses the environmental benefits, such as components in electric vehicles, wind turbines, solar applications, and energy storage systems. Conversely, the book also examines the liabilities of mining these rare earth elements"--
Author: Jacques Lucas Publisher: Elsevier ISBN: 0444627448 Category : Technology & Engineering Languages : en Pages : 410
Book Description
High-technology and environmental applications of the rare-earth elements (REE) have grown dramatically in diversity and importance over the past four decades. This book provides a scientific understanding of rare earth properties and uses, present and future. It also points the way to efficient recycle of the rare earths in end-of-use products and efficient use of rare earths in new products. Scientists and students will appreciate the book's approach to the availability, structure and properties of rare earths and how they have led to myriad critical uses, present and future. Experts should buy this book to get an integrated picture of production and use (present and future) of rare earths and the science behind this picture. This book will prove valuable to.non-scientists as well in order to get an integrated picture of production and use of rare earths in the 21st Century, and the science behind this picture. Defines the chemical, physical and structural properties of rare earths. Gives the reader a basic understanding of what rare earths can do for us. Describes uses of each rare earth with chemical, physics, and structural explanations for the properties that underlie those uses. Allows the reader to understand how rare earths behave and why they are used in present applications and will be used in future applications. Explains to the reader where and how rare earths are found and produced and how they are best recycled to minimize environmental impact and energy and water consumption.
Author: Changzhen Wang Publisher: Springer Nature ISBN: 9811941785 Category : Technology & Engineering Languages : en Pages : 369
Book Description
This book starts with a theoretical introduction of the rare earth materials, and it subsequently analyzes the essential characteristics of these materials from elements, compounds to physical chemistry and metal materials, etc. Under the supplementary explanation of experimental data and results, the research is gradually guided into the multi-domain application scene. Through extensive analyses, this book displays comprehensively the distinguished values of the rare earth materials and the theoretical, empirical, and practical significance of rare earth materials is unraveled. It also covers an exhaustive review of 17 rare earth elements, their characteristics, and more possibilities in physical chemistry, functional materials, metallurgy, composites and engineering, and their prospects in production and technical applications. In-depth account of the whole spectrum of rare earth material research makes this book a unique reference to academic researchers, students, and engineers.
Author: Blossom Jenkins
Author: Blossom Jenkins
Author: A.R. Jha
Author: Jose Edgar Alfonso Orjuela
Author: Michael Aide
Author: Bradley S. Van Gosen
Author: Frank R. Spellman
Author: Jacques Lucas
Author: Changzhen Wang
Author: Leroy Eyring
Author: Brian G. Wybourne