Chemistry of Tantalum and Niobium Fluoride Compounds

Chemistry of Tantalum and Niobium Fluoride Compounds PDF

Author: Anatoly Agulyansky

Publisher: Elsevier

Published: 2004-12-13

Total Pages: 409

ISBN-13: 008052902X

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Electronic, optical, mechanical and medical appliances are just a few examples of modern applications that use tantalum and niobium. In Chemistry of Tantalum and Niobium Fluoride Compounds, the author draws on thirty years' experience to produce the first ever monograph to systemize and summarize the data available on tantalum and niobium fluoride compounds. This comprehensive reference source offers a rich variety of study methodology and is invaluable to researchers examining the chemistry of fluorides, as well as teachers and students in chemistry and metallurgy. * Collects the latest research on the chemistry of complex fluorides and oxyfluorides of Tantalum and Niobium. * Covers both theory and application of Tantalum and Niobium Fluoride Chemistry * Is suitable for tantalum and niobium producers, researchers studying the chemistry of fluorides, as well as teachers and students in chemistry and metallurgy

Tantalum and Niobium-Based Capacitors

Tantalum and Niobium-Based Capacitors PDF

Author: Yuri Freeman

Publisher: Springer

Published: 2017-10-27

Total Pages: 120

ISBN-13: 3319678701

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This book provides a comprehensive analysis of the science, technology, and applications of Tantalum and Niobium-based capacitors. The author discusses fundamentals, focusing on thermodynamic stability, major degradation processes and conduction mechanisms in the basic structure of Me-Me2O5-cathode (Me: Ta, Nb). Technology-related coverage includes chapters technology chapters on the major manufacturing steps from capacitor grade powder to the testing of finished capacitors. Applications discussed include high reliability, high charge and energy efficiency, high working voltages, high temperatures, etc. The links between the scientific foundation, breakthrough technologies and outstanding performance and reliability of the capacitors are demonstrated. The theoretical models discussed include the thermodynamics of the amorphous dielectrics, conduction mechanisms in metal-insulator-semiconductor (MIS) structures, band diagrams of the organic semiconductors, etc.

The Chemistry of Vanadium, Niobium and Tantalum

The Chemistry of Vanadium, Niobium and Tantalum PDF

Author: R. J. H. Clark

Publisher: Elsevier

Published: 2013-10-08

Total Pages: 149

ISBN-13: 1483181707

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The Chemistry of Vanadium, Niobium and Tantalum gives a comprehensive discussion on the discovery, origin, and metallurgical aspects of vanadium, niobium, and tantalum. A section is also focused on the nuclear properties, as well as the physical and chemical properties of each compound. The history and distribution of vanadium, niobium, and tantalum are explored, along with the purification and extraction procedures of the said elements. The book also explores the derivative compounds such as the alloys, hydride, halides, and oxides. Another section of the book is focused on the physical and chemical modifications of the elements that generate such by-products as the cyanides, hydroxides, and sulfides. Different complexes of the elements such as halogeno- and oxyhalogeno-complexes are discussed in detail. The organometallic chemistry of niobium, tantalum, and vanadium are also identified. The book will be a useful tool for chemical engineers, chemical scientists, and students in the field of chemistry.

Separation of Niobium and Tantalum

Separation of Niobium and Tantalum PDF

Author: Ernest L. Koerner

Publisher:

Published: 1956

Total Pages: 16

ISBN-13:

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During recent years increased interest has been shown in the metal niobium. The Atomic Energy Commission has encouraged research on new methods of winning the metal from its ores with the ultimate hope of finding a process which would yield niobium metal at a reasonable price. This report was written to consolidate the more important information available in the literature on the separation of niobium and tantalum.

Extractive Metallurgy of Niobium

Extractive Metallurgy of Niobium PDF

Author: A.K. Suri

Publisher: Routledge

Published: 2017-11-13

Total Pages: 272

ISBN-13: 1351448978

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The growth and development witnessed today in modern science, engineering, and technology owes a heavy debt to the rare, refractory, and reactive metals group, of which niobium is a member. Extractive Metallurgy of Niobium presents a vivid account of the metal through its comprehensive discussions of properties and applications, resources and resource processing, chemical processing and compound preparation, metal extraction, and refining and consolidation. Typical flow sheets adopted in some leading niobium-producing countries for the beneficiation of various niobium sources are presented, and various chemical processes for producing pure forms of niobium intermediates such as chloride, fluoride, and oxide are discussed. The book also explains how to liberate the metal from its intermediates and describes the physico-chemical principles involved. It is an excellent reference for chemical metallurgists, hydrometallurgists, extraction and process metallurgists, and minerals processors. It is also valuable to a wide variety of scientists, engineers, technologists, and students interested in the topic.

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