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Books > Science & Mathematics > Chemistry > Physical chemistry

Advanced Membrane Technology and Applications (Hardcover): N.N. Li Advanced Membrane Technology and Applications (Hardcover)
N.N. Li
R5,097 Discovery Miles 50 970 Ships in 12 - 17 working days

Advanced membranes-from fundamentals and membrane chemistry to manufacturing and applications

A hands-on reference for practicing professionals, "Advanced Membrane Technology and Applications" covers the fundamental principles and theories of separation and purification by membranes, the important membrane processes and systems, and major industrial applications. It goes far beyond the basics to address the formulation and industrial manufacture of membranes and applications.

This practical guide:

  • Includes coverage of all the major types of membranes: ultrafiltration; microfiltration; nanofiltration; reverse osmosis (including the recent high-flux and low-pressure membranes and anti-fouling membranes); membranes for gas separations; and membranes for fuel cell uses
  • Addresses six major topics: membranes and applications in water and wastewater; membranes for biotechnology and chemical/biomedical applications; gas separations; membrane contractors and reactors; environmental and energy applications; and membrane materials and characterization
  • Includes discussions of important strategic issues and the future of membrane technologyWith chapters contributed by leading experts in their specific areas and a practical focus, this is the definitive reference for professionals in industrial manufacturing and separations and research and development; practitioners in the manufacture and applications of membranes; scientists in water treatment, pharmaceutical, food, and fuel cell processing industries; process engineers; and others. It is also an excellent resource for researchers in industry and academia and graduate students taking courses in separations and membranes and related fields.
New Carbon-Carbon Coupling Reactions Based on Decarboxylation and Iron-Catalyzed C-H Activation (Hardcover, 1st ed. 2017): Rui... New Carbon-Carbon Coupling Reactions Based on Decarboxylation and Iron-Catalyzed C-H Activation (Hardcover, 1st ed. 2017)
Rui Shang
R2,414 R1,920 Discovery Miles 19 200 Save R494 (20%) Ships in 12 - 17 working days

This thesis presents the latest developments in new catalytic C-C bond formation methods using easily accessible carboxylate salts through catalytic decarboxylation with good atom economy, and employing the sustainable element iron as the catalyst to directly activate C-H bonds with high step efficiency. In this regard, it explores a mechanistic understanding of the newly discovered decarboxylative couplings and the catalytic reactivity of the iron catalyst with the help of density functional theory calculation. The thesis is divided into two parts, the first of which focuses on the development of a series of previously unexplored, inexpensive carboxylate salts as useful building blocks for the formation of various C-C bonds to access valuable chemicals. In turn, the second part is devoted to several new C-C bond formation methodologies using the most ubiquitous transition metal, iron, as a catalyst, and using the ubiquitous C-H bond as the coupling partner.

Adaptive and Intelligent Control of Microbial Fuel Cells (Hardcover, 1st ed. 2020): Ravi Patel, Dipankar Deb, Rajeeb Dey,... Adaptive and Intelligent Control of Microbial Fuel Cells (Hardcover, 1st ed. 2020)
Ravi Patel, Dipankar Deb, Rajeeb Dey, Valentina E. Balas
R2,873 Discovery Miles 28 730 Ships in 10 - 15 working days

This book addresses a range of solutions and effective control techniques for Microbial Fuel Cells (MFCs), intended as a response to the increased energy consumption and wastewater production stemming from globalization. It describes the fundamentals of MFCs and control-oriented mathematical models, and provides detailed information on uncertain parameters. Various control techniques like robust control with LMI, adaptive backstepping control, and exact linearization control are developed for different mathematical models. In turn, the book elaborates on the basics of adaptive control, presenting several methods in detail. It also demonstrates how MFCs can be developed at the laboratory level, equipping readers to develop their own MFCs for experimental purposes. In closing, it develops a transfer function model for MFCs by combining a system identification technique and model reference adaptive control techniques. By addressing one of the most promising sources of clean and renewable energy, this book provides a viable solution for meeting the world's increasing energy demands.

Solid-State Electrochemistry - Essential Course Notes and Solved Exercises (Hardcover, 1st ed. 2020): Abdelkader Hammou, Samuel... Solid-State Electrochemistry - Essential Course Notes and Solved Exercises (Hardcover, 1st ed. 2020)
Abdelkader Hammou, Samuel Georges
R2,601 Discovery Miles 26 010 Ships in 12 - 17 working days

This book features the essential material for any graduate or advanced undergraduate course covering solid-state electrochemistry. It provides the reader with fundamental course notes and numerous solved exercises, making it an invaluable guide and compendium for students of the subject. The book places particular emphasis on enhancing the reader's expertise and comprehension of thermodynamics, the Kroeger-Vink notation, the variation in stoichiometry in ionic compounds, and of the different types of electrochemical measurements together with their technological applications. Containing almost 100 illustrations, a glossary and a bibliography, the book is particularly useful for Master and PhD students, industry engineers, university instructors, and researchers working with inorganic solids in general.

Advanced Joining Processes (Hardcover, 1st ed. 2020): Lucas F. M. da Silva, Paulo A. F. Martins, Mohamad S. El-Zein Advanced Joining Processes (Hardcover, 1st ed. 2020)
Lucas F. M. da Silva, Paulo A. F. Martins, Mohamad S. El-Zein
R2,873 Discovery Miles 28 730 Ships in 10 - 15 working days

This book presents recent material science-based and mechanical analysis-based advances in joining processes. It includes all related processes, e.g. friction stir welding, joining by plastic deformation, laser welding, clinch joining, and adhesive bonding, as well as hybrid joints. It gathers selected full-length papers from the 1st Conference on Advanced Joining Processes.

Solving a 3D Structural Puzzle (Hardcover, 1st ed. 2018): Casper Ronn Hoeck Solving a 3D Structural Puzzle (Hardcover, 1st ed. 2018)
Casper Ronn Hoeck
R2,900 Discovery Miles 29 000 Ships in 10 - 15 working days

This book explores how nuclear magnetic resonance (NMR) spectroscopy may be used for spatial structural elucidation of novel compounds from fungal and synthetic sources. Readers will discover the exciting world of NOE (nuclear Overhauser effect), RDC (residual dipolar coupling) and J-coupling constants, both short- and long range. With emphasis on obtaining structural knowledge from these NMR observables, focus is moved from solving a static 3D structure to solving the structural space inhabited by small organic molecules. The book outlines the development and implementation of two Heteronuclear Multiple Bond Correlation-type NMR experiments, and the 3D structural elucidation of multiple known and novel compounds. In addition, a new method of back-calculating RDCs (allowing for more flexible structures to be investigated), and the synthesis and evaluation of novel chiral alignment media for ab initio determination of absolute stereochemistry of small molecules using RDCs are also included. Challenges that 3D structural generation of small compounds face are also covered in this work.

Gel Chemistry - Interactions, Structures and Properties (Hardcover, 1st ed. 2018): Jianyong Zhang, Yahu, Yongguang Li Gel Chemistry - Interactions, Structures and Properties (Hardcover, 1st ed. 2018)
Jianyong Zhang, Yahu, Yongguang Li
R3,637 Discovery Miles 36 370 Ships in 10 - 15 working days

This book covers various molecular, metal-organic, dynamic covalent, polymer and other gels, focusing on their driving interactions, structures and properties. It consists of six chapters demonstrating interesting examples of these gels, classified by the type of driving interaction, and also discusses the effect of these interactions on the gels' structures and properties. The book offers an interesting and useful guide for a broad readership in various fields of chemical and materials science.

Single-Molecule Magnets - Molecular Architectures and Building Blocks for Spintronics (Hardcover): M Holynska Single-Molecule Magnets - Molecular Architectures and Building Blocks for Spintronics (Hardcover)
M Holynska
R4,102 R3,292 Discovery Miles 32 920 Save R810 (20%) Out of stock

Concise overview of synthesis and characterization of single molecule magnets Molecular magnetism is explored as an alternative to conventional solid-state magnetism as the basis for ultrahigh-density memory materials with extremely fast processing speeds. In particular single-molecule magnets (SMM) are in the focus of current research, both because of their intrinsic magnetization properties, as well as because of their potential use in molecular spintronic devices. SMMs are fascinating objects on the example of which one can explain many concepts. Single-Molecule Magnets: Molecular Architectures and Building Blocks for Spintronics starts with a general introduction to single-molecule magnets (SMM), which helps readers to understand the evolution of the field and its future. The following chapters deal with the current synthetic methods leading to SMMs, their magnetic properties and their characterization by methods such as high-field electron paramagnetic resonance, paramagnetic nuclear magnetic resonance, and magnetic circular dichroism. The book closes with an overview of radical-bridged SMMs, which have shown application potential as building blocks for high-density memories. Covers a hot topic - single-molecule magnetism is one of the fastest growing research fields in inorganic chemistry and materials science Provides researchers and newcomers to the field with a solid foundation for their further work Single-Molecule Magnets: Molecular Architectures and Building Blocks for Spintronics will appeal to inorganic chemists, materials scientists, molecular physicists, and electronics engineers interested in the rapidly growing field of study.

Multiscale Modeling of Complex Molecular Structure and Dynamics with MBN Explorer (Hardcover, 1st ed. 2017): Ilia A. Solovyov,... Multiscale Modeling of Complex Molecular Structure and Dynamics with MBN Explorer (Hardcover, 1st ed. 2017)
Ilia A. Solovyov, Andrey V. Korol, Andrey V. Solovyov
R3,657 Discovery Miles 36 570 Ships in 12 - 17 working days

This book introduces readers to MesoBioNano (MBN) Explorer - a multi-purpose software package designed to model molecular systems at various levels of size and complexity. In addition, it presents a specially designed multi-task toolkit and interface - the MBN Studio - which enables the set-up of input files, controls the simulations, and supports the subsequent visualization and analysis of the results obtained. The book subsequently provides a systematic description of the capabilities of this universal and powerful software package within the framework of computational molecular science, and guides readers through its applications in numerous areas of research in bio- and chemical physics and material science - ranging from the nano- to the mesoscale. MBN Explorer is particularly suited to computing the system's energy, to optimizing molecular structure, and to exploring the various facets of molecular and random walk dynamics. The package allows the use of a broad variety of interatomic potentials and can, e.g., be configured to select any subset of a molecular system as rigid fragments, whenever a significant reduction in the number of dynamical degrees of freedom is required for computational practicalities. MBN Studio enables users to easily construct initial geometries for the molecular, liquid, crystalline, gaseous and hybrid systems that serve as input for the subsequent simulations of their physical and chemical properties using MBN Explorer. Despite its universality, the computational efficiency of MBN Explorer is comparable to that of other, more specialized software packages, making it a viable multi-purpose alternative for the computational modeling of complex molecular systems. A number of detailed case studies presented in the second part of this book demonstrate MBN Explorer's usefulness and efficiency in the fields of atomic clusters and nanoparticles, biomolecular systems, nanostructured materials, composite materials and hybrid systems, crystals, liquids and gases, as well as in providing modeling support for novel and emerging technologies. Last but not least, with the release of the 3rd edition of MBN Explorer in spring 2017, a free trial version will be available from the MBN Research Center website (mbnresearch.com).

On-Surface Synthesis - Proceedings of the International Workshop On-Surface Synthesis, Ecole des Houches, Les Houches 25-30 May... On-Surface Synthesis - Proceedings of the International Workshop On-Surface Synthesis, Ecole des Houches, Les Houches 25-30 May 2014 (Hardcover, 1st ed. 2016)
Andre Gourdon
R6,433 Discovery Miles 64 330 Ships in 12 - 17 working days

With contributions by leading international experts, this book presents a detailed compilation of a new and very active field. It is the first book devoted to the covalent coupling of molecular precursors on surfaces that allows the preparation of 0D, 1D and 2D molecules that cannot be synthesized in solution. This book is aimed at students and researchers interested in nanochemistry and molecular devices and it gives the reader a pedagogical up-to-date vision of the most recent developments. The editor ensures a multidisciplinary approach involving molecular chemistry, surface sciences, surface spectroscopies, theory, scanning tunneling and non-contact atomic force microscopies.

Hacking the Atom - Explorations in Nuclear Research, Vol. 1 (Hardcover): Steven B. Krivit Hacking the Atom - Explorations in Nuclear Research, Vol. 1 (Hardcover)
Steven B. Krivit; Edited by Michael J. Ravnitzky, Cynthia R Goldstein
R1,504 Discovery Miles 15 040 Ships in 10 - 15 working days
NMR Imaging of Materials (Hardcover): Bernhard Blumich NMR Imaging of Materials (Hardcover)
Bernhard Blumich
R7,162 R6,370 Discovery Miles 63 700 Save R792 (11%) Ships in 12 - 17 working days

Imaging by Nuclear Magnetic Resonance (NMR) has been established in clinical diagnosis and is conquering materials science with a rapidly expanding number of applications in basic research as well as product and quality control for fluid flow, elastomers, and polymer materials. This book will provide graduate students, scientists and engineers with an introduction to the field. It is the first book on the subject and is likely to become the standard text for years to come.

21st Century Challenges in Chemical Crystallography II - Structural Correlations and Data Interpretation (Hardcover, 1st ed.... 21st Century Challenges in Chemical Crystallography II - Structural Correlations and Data Interpretation (Hardcover, 1st ed. 2020)
D.Michael P. Mingos, Paul R. Raithby
R8,297 Discovery Miles 82 970 Ships in 10 - 15 working days

This volume summarises recent developments and highlights new techniques which will define possible future directions for small molecule X-ray crystallography. It provides an insight into how specific aspects of crystallography are developing and shows how they may interact or integrate with other areas of science. The development of more sophisticated equipment and the massive rise in computing power has made it possible to solve the three-dimensional structure of an organic molecule within hours if not minutes. This successful trajectory has resulted in the ability to study ever more complex molecules and use smaller and smaller crystals. The structural parameters for over a million organic and organometallic compounds are now archived in the most commonly used database and this wealth of information creates a new set of problems for future generations of scientists. The volume provides some insight into how users of crystallographic structural data banks can navigate their way through a world where "big data" has become the norm. The coupling of crystallography to quantum chemical calculations provides detailed information about electron distributions in crystals affording a much more detailed analysis of bonding than has been possible previously. In quantum crystallography, quantum mechanical wavefunctions are used to extract information about bonding and properties from the measured X-ray structure factors. The advent of quantum crystallography has resulted in form and structure factors derived from quantum mechanics which have been used in advanced refinement and wavefunction fitting. This volume describes how quantum mechanically derived atomic form factors and structure factors are constructed to allow the improved description of the diffraction experiment. It further discusses recent developments in this field and illustrates their applications with a wide range of examples. This volume will be of interest to chemists and crystallographers with an interest in the synthesis, characterisation and physical and catalytic properties of solid-state materials. It will also be relevant for the community of computational chemists who study chemical systems. Postgraduate students entering the field will benefit from a historical introduction to the way in which scientists have used the data derived from crystallography to develop new structural and bonding models.

Chemistry in Action: Making Molecular Movies with Ultrafast Electron Diffraction and Data Science (Hardcover, 1st ed. 2020):... Chemistry in Action: Making Molecular Movies with Ultrafast Electron Diffraction and Data Science (Hardcover, 1st ed. 2020)
Lai Chung Liu
R2,894 Discovery Miles 28 940 Ships in 10 - 15 working days

The thesis provides the necessary experimental and analytical tools to unambiguously observe the atomically resolved chemical reactions. A great challenge of modern science has been to directly observe atomic motions during structural transitions, and while this was first achieved through a major advance in electron source brightness, the information content was still limited and new methods for image reconstruction using femtosecond electron diffraction methods were needed. One particular challenge lay in reconciling the innumerable possible nuclear configurations with the observation of chemical reaction mechanisms that reproducibly give the same kind of chemistry for large classes of molecules. The author shows that there is a simple solution that occurs during barrier crossing in which the highly anharmonic potential at that point in nuclear rearrangements couples high- and low-frequency vibrational modes to give highly localized nuclear motions, reducing hundreds of potential degrees of freedom to just a few key modes. Specific examples are given in this thesis, including two photoinduced phase transitions in an organic system, a ring closure reaction, and two direct observations of nuclear reorganization driven by spin transitions. The emerging field of structural dynamics promises to change the way we think about the physics of chemistry and this thesis provides tools to make it happen.

Advances in Quantum Chemistry, Volume 57 - Theory of Confined Quantum Systems Part One (Hardcover, 57th edition): John R.... Advances in Quantum Chemistry, Volume 57 - Theory of Confined Quantum Systems Part One (Hardcover, 57th edition)
John R. Sabin, Erkki J. Brandas
R6,055 Discovery Miles 60 550 Ships in 12 - 17 working days

"Advances in Quantum Chemistry" presents surveys of current developments in this rapidly developing field. With invited reviews written by leading international researchers, each presenting new results, it provides a single vehicle for following progress in this interdisciplinary area.
* Publishes articles, invited reviews and proceedings of major international conferences and workshops
* Written by leading international researchers in quantum and theoretical chemistry
* Highlights important interdisciplinary developments

Conceptual Perspectives in Quantum Chemistry, v. 3 (Hardcover): Jean-Louis Calais, Eugene S. Kryachko Conceptual Perspectives in Quantum Chemistry, v. 3 (Hardcover)
Jean-Louis Calais, Eugene S. Kryachko
R2,528 Discovery Miles 25 280 Ships in 12 - 17 working days

The quantitative success that quantum chemistry has had since the early-1970s has led to the launch of "Conceptual Trends in Quantum Chemistry", a collection of essays intended to stimulate discussion in this field, of which the first volume was published in 1994, and the second in 1995. This third volume contains 14 papers covering topics such as recent developments in multiple scattering theory and density functional theory for molecules and solids; localized atomic hybrids; quantum electrodynamics and molecular structure; aspects of the chemical bond; Lie symmetries in quantum mechanics; the interplay between quantum chemistry and molecular dynamics simulations; the permutation group in many-electron theory; new developments in many body perturbation theory and coupled cluster theory; a philosopher's perspective of the "problem" of molecular shape; Van Der Waals interactions from density functional theories; different legacies and common aims; potential energy hypersurfaces for hydrogen bonded clusters (HF)N; one-electron pictures of electronic structure; and shape in quantum chemistry. This text should be of interest to researchers and graduate students whose work involves quantum chemistry, quantum mechanics, chemical physics, methodology, and mathematical statistical methods.

Photosynergetic Responses in Molecules and Molecular Aggregates (Hardcover, 1st ed. 2020): Hiroshi Miyasaka, Kenji Matsuda,... Photosynergetic Responses in Molecules and Molecular Aggregates (Hardcover, 1st ed. 2020)
Hiroshi Miyasaka, Kenji Matsuda, Jiro Abe, Tsuyoshi Kawai
R5,697 Discovery Miles 56 970 Ships in 10 - 15 working days

This book compiles the accomplishments of the recent research project on photochemistry "Photosynergetics", supported by the Ministry of Education, Culture, Sports, Science and Technology of Japan, aiming to develop and elucidate new methods and molecules leading to advanced utilization of photo-energies. Topics include photochemical responses induced by multiple excitation, multiphoton absorption, strong modulation of electronic states, developments of new photofunctional molecules, mesoscopic actuations induced by photoexcitation, and novel photoresponses in molecules and molecular assemblies. The authors stress that these approaches based on the synergetic interaction among many photons and many molecules enable the expansion of the accessibility to specific electronic states. As well, they explain how the development of reaction sequences and molecules/molecular assemblies ensure "additivity" and "integration" without loss of the photon energy, leading to new photoresponsive assemblies in meso- and macroscopic scales.

Medical Isotopes (Hardcover): Syed Ali Raza Naqvi, Muhammad Babar Imrani Medical Isotopes (Hardcover)
Syed Ali Raza Naqvi, Muhammad Babar Imrani
R3,318 Discovery Miles 33 180 Ships in 10 - 15 working days
Proceedings of the International Conference on Microplastic Pollution in the Mediterranean Sea (Hardcover, 1st ed. 2018):... Proceedings of the International Conference on Microplastic Pollution in the Mediterranean Sea (Hardcover, 1st ed. 2018)
Mariacristina Cocca, Emilia Di Pace, Maria Emanuela Errico, Gennaro Gentile, Alessio Montarsolo, …
R4,369 Discovery Miles 43 690 Ships in 10 - 15 working days

This book focuses on different aspects of microplastic pollution, offering authors and readers the opportunity to share their knowledge, identify issues and propose solutions and actions to face this environmental threat. Although plastic pollution is a well-known global problem, the recent discovery of microplastics and nanoplastics in seas and oceans represents a very alarming new environmental challenge. The book offers comprehensive insights into the origins of the problem, its impact on marine environments, particularly the Mediterranean Sea and coasts, and the current research trends aimed at finding technical solutions to mitigate the phenomenon. It is primarily intended for scientists and decision makers from industry, international, national and local institutions and NGOs

Nonlinear Dielectric Spectroscopy (Hardcover, 1st ed. 2018): Ranko Richert Nonlinear Dielectric Spectroscopy (Hardcover, 1st ed. 2018)
Ranko Richert
R3,666 Discovery Miles 36 660 Ships in 10 - 15 working days

This book introduces the ideas and concepts of nonlinear dielectric spectroscopy, outlines its history, and provides insight into the present state of the art of the experimental technology and understanding of nonlinear dielectric effects. Emphasis is on what can be learned from nonlinear experiments that could not be derived from the linear counterparts. The book explains that nonlinear dielectric spectroscopy can be used as a tool to measure structural recovery or physical aging, as well as connections between dynamics and thermodynamic variables such as enthalpy and entropy. Supercooled liquids in their viscous regime are ideal candidates for investigating nonlinear effects, because they are particularly sensitive to changes in temperature, and thus also to changes in the electric field. Other interesting materials covered are plastic crystals and complex liquids near criticality. The book also points out that, compared with other techniques such as mechanical shear experiments, the nonlinear regime of dielectric spectroscopy is special in the sense that the energies involved always remain small compared with thermal energies. To demonstrate this, nonlinear features of mechanical experiments are discussed. Theoretical approaches to nonlinear effects are particularly complicated because the tools available for the linear regime no longer apply. As a result, there is no single generally accepted theory to nonlinear dielectric responses of real liquids. Various approaches to nonlinear dielectric features have been reported, and the different aspects are communicated in several chapters. The book communicates recent progress most effectively through individual contributions from specialists in their respective fields.Chapter 'Third and Fifth Harmonic Responses in Viscous Liquids' is available open access under a Creative Commons Attribution 4.0 International License via link.springer.com.

The Effect of Radiation on Properties of Polymers (Hardcover): Laurence W McKeen The Effect of Radiation on Properties of Polymers (Hardcover)
Laurence W McKeen
R9,351 Discovery Miles 93 510 Ships in 10 - 15 working days

The Effect of Radiation on Properties of Polymers examines the effects of radiation on plastics and elastomers. Polymers are required in products or parts for a range of cutting-edge applications that are exposed to radiation, in areas such as space, medicine, and radiation processing. This book focuses on the effects of radiation exposure within that environment, providing in-depth data coverage organized by category of polymer. Aspects such as radiation impact on mechanical and thermal properties, including glass transition and heat deflection temperatures, are described, demonstrating how changes in these properties affect the performance of plastic or elastomer parts. The effect of radiation on electrical properties is also included. Supporting introductory chapters explain the key concepts of radiation, including the physical, mechanical, and thermal properties of plastics and elastomers. This is a vital resource for plastics engineers, product designers, and R&D professionals, working on products or parts for radioactive environments, as well as engineers and scientists in the medical, nuclear, and radiation processing industries. The book also supports researchers and scientists in plastics engineering, polymer processing and properties, polymer and coatings chemistry, materials science, and radiation.

Computational Materials System Design (Hardcover, 1st ed. 2018): Dongwon Shin, James Saal Computational Materials System Design (Hardcover, 1st ed. 2018)
Dongwon Shin, James Saal
R4,070 Discovery Miles 40 700 Ships in 12 - 17 working days

This book provides state-of-the-art computational approaches for accelerating materials discovery, synthesis, and processing using thermodynamics and kinetics. The authors deliver an overview of current practical computational tools for materials design in the field. They describe ways to integrate thermodynamics and kinetics and how the two can supplement each other.

High-pressure Molecular Spectroscopy (Hardcover): Ian S. Butler High-pressure Molecular Spectroscopy (Hardcover)
Ian S. Butler
R5,559 Discovery Miles 55 590 Ships in 12 - 17 working days

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

Reactivity of Nitric Oxide on Copper Surfaces - Elucidated by Direct Observation of Valence Orbitals (Hardcover, 1st ed. 2017):... Reactivity of Nitric Oxide on Copper Surfaces - Elucidated by Direct Observation of Valence Orbitals (Hardcover, 1st ed. 2017)
Akitoshi Shiotari
R3,301 Discovery Miles 33 010 Ships in 12 - 17 working days

This book provides microscopic insights into chemical properties of NO on metal surfaces. NO/metal systems have been studied intensively to understand heterogeneous catalysis to detox exhaust NOx gas. The identification and componential analysis of various and mixed chemical species of NO adsorbed onto the surfaces have been significant challenges faced by conventional experimental techniques, such as vibrational spectroscopies. The author investigated "individual" NO molecules on Cu surfaces using low-temperature scanning tunneling microscopy (STM). STM not only provides information on the geometric, electronic, and vibrational properties at the single-molecule level; it is also able to manipulate molecules on surfaces to induce chemical reaction. Exploiting those techniques, the author chemically identified individual NO-related species on the surfaces and discovered new reaction processes for NO reduction, which provides microscopic insights into the catalytic mechanisms. The author also visualized wave functions of electrons in a valence orbital of NO and demonstrated that the wave functions are modified by the formation of covalent bonding or hydrogen bonding. This is, namely, "the visualization of quantum mechanics in real space," which is certainly worth reading. Furthermore, the book demonstrates that direct observation of valence orbitals helps to elucidate the reactivity of molecules adsorbed onto surfaces. This innovative approach to studying molecular properties will contribute to further development of STM and its related methods.

Modeling Solvent Environments  Applications to Simulations of Biomolecules (Hardcover): M Feig Modeling Solvent Environments Applications to Simulations of Biomolecules (Hardcover)
M Feig
R4,159 R3,347 Discovery Miles 33 470 Save R812 (20%) Out of stock

A comprehensive view of the current methods for modeling solvent environments with contributions from the leading researchers in the field. Throughout, the emphasis is placed on the application of such models in simulation studies of biological processes, although the coverage is sufficiently broad to extend to other systems as well. As such, this monograph treats a full range of topics, from statistical mechanics-based approaches to popular mean field formalisms, coarse-grained solvent models, more established explicit, fully atomic solvent models, and recent advances in applying ab initio methods for modeling solvent properties.

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