Materials Under Extreme Conditions Molecular Crystals At High Pressure
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| Author | : Vincenzo Schettino |
| Publisher | : World Scientific |
| Total Pages | : 373 |
| Release | : 2013-11-20 |
| Genre | : Science |
| ISBN | : 1783264314 |
High-pressure materials research has been revolutionized in the past few years due to technological breakthroughs in the diamond anvil cell (DAC), shock wave compression and molecular dynamic simulation (MD) methods. The application of high pressure, especially together with high temperature, has revealed exciting modifications of physical and chemical properties even in the simplest molecular materials.Besides the fundamental importance of these studies to understand the composition and the dynamics of heart and planets' interior, new materials possessing peculiar characteristics of hardness and composition have been synthesized at very high pressure, while unexpected chemical reactions of simple molecules to polymers and amorphous compounds have been found at milder conditions.The variety of the phenomena observed in these extreme conditions and of the materials involved provides a common ground bridging scientific communities with different cultural and experimental backgrounds. This monograph will provide a timely opportunity to report on recent progress in the field.
| Author | : Ian S. Butler |
| Publisher | : Walter de Gruyter GmbH & Co KG |
| Total Pages | : 363 |
| Release | : 2022-08-22 |
| Genre | : Science |
| ISBN | : 3110665441 |
High-pressure Molecular Spectroscopy describes examples of the applications of several spectroscopic methods to investigate the behavior of various chemical systems under high pressures, including guest-host interactions, chemical reactions, molecule-based multiferroics, lanthanide ion-doped glasses, and organic, inorganic and organometallic materials. The techniques involved include: Luminescence studies Inelastic neutron scattering Infrared and Raman studies Synchrotron X-ray diffraction
| Author | : Shibing Wang |
| Publisher | : Stanford University |
| Total Pages | : 110 |
| Release | : 2011 |
| Genre | : |
| ISBN | : |
Recent advances in high pressure diamond anvil cell techniques and synchrotron radiation characterization methods have enabled investigation of a wide range of materials properties in-situ under extreme conditions. High pressure studies have made significant contribution to our understanding in a number of scientific fields, e.g. condensed matter physics, chemistry, Earth and planetary sciences, and material sciences. Pressure, as a fundamental thermodynamic variable, can induce changes in the electronic and structural configuration of a material, which in turn can dramatically alter its properties. The novel phases and new compounds existing at high pressure have improved our basic understanding of bonding and interactions in condensed matter. This dissertation focuses on how pressure affects materials' bonding and electronic structures in two types of systems: hydrogen rich molecular compounds and strongly correlated transition metal oxides. The interaction of boranes and hydrogen was studied using optical microscopy and Raman spectroscopy and their hydrogen storage potential is discussed in the context of practical applications. The pressure-induced behavior of the SiH4 + H2 binary system and the formation of a newly formed compound SiH4(H2)2 were investigated using a combination of optical microscopy, Raman spectroscopy and x-ray diffraction. The experimental work along with DFT calculations on the electronic properties of the compound up to the possible metallization pressure, indicated that there are strong intermolecular interactions between SiH4 and H2 in the condensed phase. By using a newly developed synchrotron x-ray spectroscopy technique, we were able to follow the evolution of the 3d band of a 3d transition metal oxide, Fe2O3 under pressure, which experiences a series of structural, electronic and spin transitions at approximately 50 GPa. Together with theoretical calculations we revisited its electronic phase transition mechanism, and found that the electronic transitions are reflected in the pre-edge region.
| Author | : A. K. Tyagi |
| Publisher | : Elsevier |
| Total Pages | : 872 |
| Release | : 2017-01-13 |
| Genre | : Technology & Engineering |
| ISBN | : 0128014423 |
Materials Under Extreme Conditions: Recent Trends and Future Prospects analyzes the chemical transformation and decomposition of materials exposed to extreme conditions, such as high temperature, high pressure, hostile chemical environments, high radiation fields, high vacuum, high magnetic and electric fields, wear and abrasion related to chemical bonding, special crystallographic features, and microstructures. The materials covered in this work encompass oxides, non-oxides, alloys and intermetallics, glasses, and carbon-based materials. The book is written for researchers in academia and industry, and technologists in chemical engineering, materials chemistry, chemistry, and condensed matter physics. - Describes and analyzes the chemical transformation and decomposition of a wide range of materials exposed to extreme conditions - Brings together information currently scattered across the Internet or incoherently dispersed amongst journals and proceedings - Presents chapters on phenomena, materials synthesis, and processing, characterization and properties, and applications - Written by established researchers in the field
| Author | : Roberto Bini |
| Publisher | : |
| Total Pages | : 354 |
| Release | : 2014 |
| Genre | : Science |
| ISBN | : 9781848163058 |
High-pressure materials research has been revolutionized in the past few years due to technological breakthroughs in the diamond anvil cell (DAC), shock wave compression and molecular dynamic simulation (MD) methods. The application of high pressure, especially together with high temperature, has revealed exciting modifications of physical and chemical properties even in the simplest molecular materials.Besides the fundamental importance of these studies to understand the composition and the dynamics of heart and planets' interior, new materials possessing peculiar characteristics of hardness and composition have been synthesized at very high pressure, while unexpected chemical reactions of simple molecules to polymers and amorphous compounds have been found at milder conditions.The variety of the phenomena observed in these extreme conditions and of the materials involved provides a common ground bridging scientific communities with different cultural and experimental backgrounds. This monograph will provide a timely opportunity to report on recent progress in the field.
| Author | : David I.A. Millar |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 232 |
| Release | : 2011-09-24 |
| Genre | : Technology & Engineering |
| ISBN | : 3642231322 |
David I.A. Millar's thesis explores the effects of extreme conditions on energetic materials. His study identifies and structurally characterises new polymorphs obtained at high pressures and/or temperatures. The performance of energetic materials (pyrotechnics, propellants and explosives) can depend on a number of factors including sensitivity to detonation, detonation velocity, and chemical and thermal stability. Polymorphism and solid-state phase transitions may therefore have significant consequences for the performance and safety of energetic materials. In order to model the behaviour of these important materials effectively under operational conditions it is essential to obtain detailed structural information at a range of temperatures and pressures.
| Author | : Rostislav Andrievski |
| Publisher | : Springer |
| Total Pages | : 118 |
| Release | : 2015-11-27 |
| Genre | : Technology & Engineering |
| ISBN | : 331925331X |
This book focuses on the behaviour of nanomaterials under extreme conditions of high temperature, irradiation by electron/ions and neutrons as well as in mechanical and corrosion extremes. The theoretical approaches and modeling are presented with numerous results of experimental studies. Different processing methods of extreme-tolerant nanomaterials are described. Many application examples from high-temperature technique, nuclear reactors of new generations, aerospace industry, chemical and general engineering, sensor facility, power engineering, electronics, catalysis and medical preparations are also contained. Some unresolved problems are emphasized.
| Author | : Mark Stauffer |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 442 |
| Release | : 2016-10-05 |
| Genre | : Science |
| ISBN | : 9535126806 |
The goal of this book is to present an overview of applications of molecular spectroscopy to investigations in organic and inorganic materials, foodstuffs, biosamples and biomedicine, and novel characterization and quantitation methods. This text is a compilation of selected research articles and reviews covering current efforts in various applications of molecular spectroscopy. Sections 1 and 2 deal, respectively, with spectroscopic studies of inorganic and organic materials. Section 3 provides applications of molecular spectroscopy to biosamples and biomedicine. Section 4 explores spectroscopic characterization and quantitation of foods and beverages. Lastly, Section 5 presents research on novel spectroscopic methodologies. Overall, this book should be a great source of scientific information for anyone involved in characterization, quantitation, and method development.
| Author | : Yingwei Fei |
| Publisher | : Cambridge University Press |
| Total Pages | : 421 |
| Release | : 2022-11-24 |
| Genre | : Science |
| ISBN | : 1108846106 |
High pressure mineral physics is a field that has shaped our understanding of deep planetary interiors and revealed new material phenomena occurring at extreme conditions. Comprised of sixteen chapters written by well-established experts, this book covers recent advances in static and dynamic compression techniques and enhanced diagnostic capabilities, including synchrotron X-ray and neutron diffraction, spectroscopic measurements, in situ X-ray diffraction under dynamic loading, and multigrain crystallography at megabar pressures. Applications range from measuring equations of state, elasticity, and deformation of materials at high pressure, to high pressure synthesis, thermochemistry of high pressure phases, and new molecular compounds and superconductivity under extreme conditions. This book also introduces experimental geochemistry in the laser-heated diamond-anvil cell enabled by the focused ion beam technique for sample recovery and quantitative chemical analysis at submicron scale. Each chapter ends with an insightful perspective of future directions, making it an invaluable source for graduate students and researchers.
| Author | : M.R. Manaa |
| Publisher | : Elsevier |
| Total Pages | : 525 |
| Release | : 2005-03-02 |
| Genre | : Science |
| ISBN | : 0080456995 |
Chemistry at Extreme Conditions covers those chemical processes that occur in the pressure regime of 0.5–200 GPa and temperature range of 500–5000 K and includes such varied phenomena as comet collisions, synthesis of super-hard materials, detonation and combustion of energetic materials, and organic conversions in the interior of planets. The book provides an insight into this active and exciting field of research. Written by top researchers in the field, the book covers state of the art experimental advances in high-pressure technology, from shock physics to laser-heating techniques to study the nature of the chemical bond in transient processes. The chapters have been conventionally organised into four broad themes of applications: biological and bioinorganic systems; Experimental works on the transformations in small molecular systems; Theoretical methods and computational modeling of shock-compressed materials; and experimental and computational approaches in energetic materials research.* Extremely practical book containing up-to-date research in high-pressure science * Includes chapters on recent advances in computer modelling* Review articles can be used as reference guide
