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Author : Sandra Ann Reisinger
Publisher :
ISBN 13 :
Total Pages : 233 pages
Book Rating : 4.:/5 (759 download)
Download or read book Synthesis and Structure-property Relationships in Selected Metal Fluorides written by Sandra Ann Reisinger and published by . This book was released on 2011 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thanh Thao Tran
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (12 download)
Download or read book Synthesis and Structure-property Relationships of a Few Fluoride Compounds written by Thanh Thao Tran and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation focuses on the synthesis and structure-property relationships of new complex metal fluorides of (i) alkaline-metal lead fluorocarbonates, alkaline-metal magnesium fluorocarbontes and (ii) a reduced niobium oxyfluoride. We have designed new structure building units, PbO6F and PbO6F2, in layered compounds of KPb2(CO3)2F and K2.70Pb5.15(CO3)5F3, that were then developed to three-dimensional noncentrosymmetric RbPbCO3F and CsPbCO3F. Powder second-harmonic generation (SHG) measurements on K2.70Pb5.15(CO3)5F3, RbPbCO3F and CsPbCO3F using 1064 nm radiation revealed SHG efficiencies of approximately 40, 250 and 300 x a-SiO2, respectively. The Mg2+ substitution of the Pb2+ cation in APbCO3F (A = alkaline-metal) resulted in KMgCO3F and RbMgCO3F with unique coordination environments of magnesium, i.e., pentagonal arrangements in the ab-plane. These compounds are second-harmonic generation (SHG) phase-matching at both 1064 nm (120 and 160 x a-SiO2) and 532 nm (0.33 and 0.6 x b-BaB2O4) with short UV cut-off edges, below 200 and 190 nm for KMgCO3F and RbMgCO3F, respectively. These mixed-metal fluorocarbonates were also characterized by infrared spectroscopy, thermogravimetric and differential thermal analysis. In addition, we report a new highly correlated electron system, Nb2O2F3. It is a new low-valent niobium (III/IV) oxyfluoride that features [Nb2X10] units (X = O, F) with short (2.5739(1) Å) Nb-Nb metal-metal bonds. The [Nb2X10] units are connected through shared O/F vertices to form a 3D structure. Nb2O2F3 undergoes a structural transition (below 90 K), from a monoclinic to a triclinic structure, which can be described as a charge ordering or disproportionnation of [Nb2]7+dimers. That resulted in a doubly (2.5000(9) Å) and a singly bonded (2.6560(9) Å) Nb2 dimers. The structural change is associated with unusual field-independent ‘spin-gap-like’ magnetic and electronic phase transition.
Author : Sun Woo Kim
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (12 download)
Download or read book Hydrothermal Syntheses, Structure, Characterization, and Structure-property Relationships of New Mixed Metal Fluorides written by Sun Woo Kim and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Mixed-metal fluoride materials are of significant interest attributable to their important physical properties such as magnetic frustration, multiferroicity, ferroelectricity, magnetoelectricity, and non-linear optical behavior. Although a variety of synthetic strategies are known, it still remains a challenge to synthesize new mixed metal fluoride materials. The aim of this research was to synthesize new multiferroic mixed metal fluoride materials, especially materials containing mixed valence ion (Fe2+/Fe3+, Mn2+/Mn3+) with geometrical or magnetic frustration and investigate the possibility of electronic ferroelectricity or magnetic ferroelectricity as well as their functional properties. In this dissertation, I report on the hydrothermal syntheses, crystal structures, characterizations, and physical properties, and their structure-property relationships in new mixed-metal fluorides.
Author : Atsushi Nagai
Publisher : CRC Press
ISBN 13 : 1000759172
Total Pages : 154 pages
Book Rating : 4.0/5 (7 download)
Download or read book Covalent Organic Frameworks written by Atsushi Nagai and published by CRC Press. This book was released on 2019-12-19 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rational synthesis of extended arrays of organic matter in bulk, solution, crystals, and thin films has always been a paramount goal of chemistry. The classical synthetic tools to obtain long-range regularity are, however, limited to noncovalent interactions, which usually yield structurally more random products. Hence, a combination of porosity and regularity in organic covalently bonded materials requires not only the design of molecular building blocks that allow for growth into a nonperturbed, regular geometry but also a condensation mechanism that progresses under reversible, thermodynamic, self-optimizing conditions. Covalent organic frameworks (COFs), a variety of 2D crystalline porous materials composed of light elements, resemble an sp2-carbon-based graphene sheet but have a different molecular skeleton formed by orderly linkage of building blocks to constitute a flat organic sheet. COFs have attracted considerable attention in the past decade because of their versatile applications in gas storage and separation, catalysis, sensing, drug delivery, and optoelectronic materials development. Compared to other porous materials, COFs allow for atomically precise control of their architectures by changing the structure of their building blocks, whereby the shapes and sizes of their pores can be well-tuned. Covalent Organic Frameworks is a compilation of different topics in COF research, from COF design and synthesis, crystallization, and structural linkages to the theory of gas sorption and various applications of COFs, such as heterogeneous catalysts, energy storage (e.g., semiconductors and batteries), and biomedicine. This handbook will appeal to anyone interested in nanotechnology and new materials of gas adsorption and storage, heterogeneous catalysts, electronic devices, and biomedical devices.
Author : C.J. McHargue
Publisher : Springer Science & Business Media
ISBN 13 : 9400909837
Total Pages : 517 pages
Book Rating : 4.4/5 (9 download)
Download or read book Structure-Property Relationships in Surface-Modified Ceramics written by C.J. McHargue and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 517 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of ion beams for the modification of the structure and properties of the near-surface region of ceramics began in earnest in the early 19805. Since the mechanical properties of such materials are dominated by surface flaws and the surface stress state, the use of surface modification tech niques would appear to be an obvious application. As is often the case in research and development, most of the initial studies can be characterized as cataloging the response of various ceramic materials to a range of ion beam treatments. The systematic study of material and ion beam parameters is well underway and we are now designing experiments to provide specific information about the processing parameter - structure-property rela tionships. This NATO-Advanced Study Institute was convened in order to assess our current state of knowledge in this field, to identify opportunities and needs for further research, and to identify the potential of such processes for technological application. It became apparent that this class of inorganic compounds, loosely termed ceramics, presents many challenges to the understanding of ion-solid inter actions, the relationships among ion-beam parameters, materials parameters, and the resulting structures, as well as relationships between structure and properties. In many instances, this understanding will represent a major extension of that learned from the study of metals and semiconductors.
Author : Anatoly Agulyansky
Publisher : Elsevier
ISBN 13 : 008052902X
Total Pages : 409 pages
Book Rating : 4.0/5 (85 download)
Download or read book Chemistry of Tantalum and Niobium Fluoride Compounds written by Anatoly Agulyansky and published by Elsevier. This book was released on 2004-12-13 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Author : Roberto Pantani
Publisher : MDPI
ISBN 13 : 3039218808
Total Pages : 400 pages
Book Rating : 4.0/5 (392 download)
Download or read book Processing-Structure-Properties Relationships in Polymers written by Roberto Pantani and published by MDPI. This book was released on 2019-12-05 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection of research and review papers is aimed at depicting the state of the art on the possible correlations between processing variables, obtained structure and special properties which this structure induces on the plastic part. The extraordinary capacity of plastics to modify their properties according to a particular structure is evidenced for several transformation processes and for many applications. The final common goal is to take profit of this peculiar capacity of plastics by inducing, through a suitable processing, a specific spatial organization.
Author :
Publisher :
ISBN 13 :
Total Pages : 984 pages
Book Rating : 4.X/5 (4 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1976 with total page 984 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sie-Chin Tjong
Publisher : Newnes
ISBN 13 : 0124078982
Total Pages : 419 pages
Book Rating : 4.1/5 (24 download)
Download or read book Nanocrystalline Materials written by Sie-Chin Tjong and published by Newnes. This book was released on 2013-09-02 with total page 419 pages. Available in PDF, EPUB and Kindle. Book excerpt: This second edition of Nanocrystalline Materials provides updated information on the development and experimental work on the synthesis, properties, and applications of nanocrystalline materials. Nanocrystalline materials with new functionalities show great promise for use in industrial applications — such as reinforcing fillers in novel polymer composites — and substantial progress has been made in the past decade in their synthesis and processing. This book focuses primarily on 1D semiconducting oxides and carbon nanotubes, 2D graphene sheets and 0D nanoparticles (metals and inorganic semiconductors). These materials are synthesized under different compositions, shapes and structures, exhibiting different chemical, physical and mechanical properties from their bulk counterparts. This second edition presents new topics relevant to the fast-paced development of nanoscience and nanotechnology, including the synthesis and application of nanomaterials for drug delivery, energy, printed flash memory, and luminescent materials. With contributions from leading experts, this book describes the fundamental theories and concepts that illustrate the complexity of developing novel nanocrystalline materials, and reviews current knowledge in the synthesis, microstructural characterization, physical and mechanical behavior, and application of nanomaterials. Investigates the synthesis, characterization, and properties of a large variety of nanocrystalline materials, and their applications in industry Keeps the prominent challenges in nanomaterials fabrication at the forefront while offering the most up-to-date scientific findings Written by experts in nanomaterials with academic backgrounds in chemistry, physics, and materials engineering
Author :
Publisher :
ISBN 13 :
Total Pages : 1362 pages
Book Rating : 4.E/5 ( download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1986 with total page 1362 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 806 pages
Book Rating : 4.F/5 ( download)
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1997 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Arun K. Varshneya
Publisher : Elsevier
ISBN 13 : 0128162260
Total Pages : 753 pages
Book Rating : 4.1/5 (281 download)
Download or read book Fundamentals of Inorganic Glasses written by Arun K. Varshneya and published by Elsevier. This book was released on 2019-05-09 with total page 753 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fundamentals of Inorganic Glasses, Third Edition, is a comprehensive reference on the field of glass science and engineering that covers numerous, significant advances. This new edition includes the most recent advances in glass physics and chemistry, also discussing groundbreaking applications of glassy materials. It is suitable for upper level glass science courses and professional glass scientists and engineers at industrial and government labs. Fundamental concepts, chapter-ending problem sets, an emphasis on key ideas, and timely notes on suggested readings are all included. The book provides the breadth required of a comprehensive reference, offering coverage of the composition, structure and properties of inorganic glasses. Clearly develops fundamental concepts and the basics of glass science and glass chemistry Provides a comprehensive discussion of the composition, structure and properties of inorganic glasses Features a discussion of the emerging applications of glass, including applications in energy, environment, pharmaceuticals, and more Concludes chapters with problem sets and suggested readings to facilitate self-study
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ISBN 13 :
Total Pages : 844 pages
Book Rating : 4.F/5 ( download)
Download or read book Comprehensive Dissertation Index: Chemistry, P-Z written by and published by . This book was released on 1984 with total page 844 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Fahmina Zafar
Publisher : BoD – Books on Demand
ISBN 13 : 9535126628
Total Pages : 168 pages
Book Rating : 4.5/5 (351 download)
Download or read book Metal-Organic Frameworks written by Fahmina Zafar and published by BoD – Books on Demand. This book was released on 2016-10-12 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: The emerging and interesting field of MOF encouraged us to bring forth the book titled ''Metal Organic Frameworks''. The book is divided into three sections. Section A consists of introduction, Section B comprises the synthesis and characterization techniques, and Section C is dedicated to the applications of MOFs. The book would be useful for scientists and researchers interested in the field of MOFs.
Author : Ruren Xu
Publisher : Elsevier
ISBN 13 : 0444635955
Total Pages : 810 pages
Book Rating : 4.4/5 (446 download)
Download or read book Modern Inorganic Synthetic Chemistry written by Ruren Xu and published by Elsevier. This book was released on 2017-02-11 with total page 810 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern Inorganic Synthetic Chemistry, Second Edition captures, in five distinct sections, the latest advancements in inorganic synthetic chemistry, providing materials chemists, chemical engineers, and materials scientists with a valuable reference source to help them advance their research efforts and achieve breakthroughs. Section one includes six chapters centering on synthetic chemistry under specific conditions, such as high-temperature, low-temperature and cryogenic, hydrothermal and solvothermal, high-pressure, photochemical and fusion conditions. Section two focuses on the synthesis and related chemistry problems of highly distinct categories of inorganic compounds, including superheavy elements, coordination compounds and coordination polymers, cluster compounds, organometallic compounds, inorganic polymers, and nonstoichiometric compounds. Section three elaborates on the synthetic chemistry of five important classes of inorganic functional materials, namely, ordered porous materials, carbon materials, advanced ceramic materials, host-guest materials, and hierarchically structured materials. Section four consists of four chapters where the synthesis of functional inorganic aggregates is discussed, giving special attention to the growth of single crystals, assembly of nanomaterials, and preparation of amorphous materials and membranes. The new edition’s biggest highlight is Section five where the frontier in inorganic synthetic chemistry is reviewed by focusing on biomimetic synthesis and rationally designed synthesis. Focuses on the chemistry of inorganic synthesis, assembly, and organization of wide-ranging inorganic systems Covers all major methodologies of inorganic synthesis Provides state-of-the-art synthetic methods Includes real examples in the organization of complex inorganic functional materials Contains more than 4000 references that are all highly reflective of the latest advancement in inorganic synthetic chemistry Presents a comprehensive coverage of the key issues involved in modern inorganic synthetic chemistry as written by experts in the field
Author :
Publisher :
ISBN 13 :
Total Pages : 872 pages
Book Rating : 4.3/5 (129 download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1988 with total page 872 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 592 pages
Book Rating : 4.3/5 (91 download)
Download or read book Engineered Materials Abstracts written by and published by . This book was released on 1991-07 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt:
