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Books > Science & Mathematics > Chemistry > Analytical chemistry > Qualitative analytical chemistry > Chemical spectroscopy, spectrochemistry > General

New Applications Of Electron Spin Resonance: Dating, Dosimetry And Microscopy (Hardcover): Motoji Ikeya New Applications Of Electron Spin Resonance: Dating, Dosimetry And Microscopy (Hardcover)
Motoji Ikeya
R4,137 Discovery Miles 41 370 Ships in 12 - 19 working days

This is the first book covering an interdisciplinary field between microwave spectroscopy of electron paramagnetic resonance (EPR) or electron spin resonance (ESR) and chronology science, radiation dosimetry and ESR (EPR) imaging in material sciences. The main object is to determine the elapsed time with ESR from forensic medicine to the age and radiation dose in earth and space science. This book is written primarily for earth scientists as well as for archaeologists and for physicists and chemists interested in new applications of the method. This book can serve as an undergraduate and graduate school textbook on applications of ESR to geological and archaeological dating, radiation dosimetry and microscopic magnetic resonance imaging (MRI). Introduction to ESR and chronology science and principle of ESR dating and dosimetry are described with applications to actual problems according to materials.

UV-Visible Spectrophotometry of Water and Wastewater (Paperback, 2nd edition): Olivier Thomas, Christopher Burgess UV-Visible Spectrophotometry of Water and Wastewater (Paperback, 2nd edition)
Olivier Thomas, Christopher Burgess
R5,642 Discovery Miles 56 420 Ships in 12 - 19 working days

UV-Visible Spectrophotometry of Water and Wastewater, Second Edition, represents an update to the first book dedicated to the use of UV spectrophotometry for water and wastewater quality monitoring. Using practical examples, the book illustrates how this technique can be a source of new methods of characterization and measurement. Easy and fast to run, this simple and robust analytical technique must be considered as one of the best ways to obtain a quantitative estimation of specific or aggregate parameters (e.g., Nitrate, TOC) and simultaneously qualitative information on the global composition of water and its variation. This second edition presents the current methods and applications for water quality monitoring based on UV spectra, including the most recent works and developments. After the introduction of the basics for UV spectrophotometry understanding, the applications of UV measurement are presented, both from the family of chemicals and water quality parameters and from the type of water. Writing from years of experience in the development and applications of UV systems and from scientific and technical works, the authors provide several useful examples showing the great interest of UV spectrophotometry for water quality monitoring. At the end of the book, the UV spectra library of the first edition is updated with dozens of new chemicals of interest.

Correlative Light and Electron Microscopy III, Volume 140 (Hardcover): Thomas Muller-Reichert, Paul Verkade Correlative Light and Electron Microscopy III, Volume 140 (Hardcover)
Thomas Muller-Reichert, Paul Verkade
R4,209 Discovery Miles 42 090 Ships in 12 - 19 working days

Correlative Light and Electron Microscopy III, Volume 140, a new volume in the Methods in Cell Biology series, continues the legacy of this premier serial with quality chapters authored by leaders in the field. Topics discussed in this new release include Millisecond time-resolved CLEM, Super resolution LM und SEM of high-pressure frozen C. elegans, Preservation fluorescence, super res CLEM, APEX in Tissue, Corrsight mit IBIDI flowthrough chamber, Correlative Light Atomic Force Electronic Microscopy (CLAFEM), Atmospheric EM CLEM, and High-precision correlation, amongst other topics. Chapters in this ongoing series deal with different approaches for analyzing the same specimen using more than one imaging technique. The strengths and application area of each is presented, with this volume exploring the aspects of sample preparation of diverse biological systems for different CLEM approaches.

Electron Paramagnetic Resonance Spectroscopy - Fundamentals (Hardcover, 1st ed. 2020): Patrick Bertrand Electron Paramagnetic Resonance Spectroscopy - Fundamentals (Hardcover, 1st ed. 2020)
Patrick Bertrand
R2,701 Discovery Miles 27 010 Ships in 10 - 15 working days

Although originally invented and employed by physicists, electron paramagnetic resonance (EPR) spectroscopy has proven to be a very efficient technique for studying a wide range of phenomena in many fields, such as chemistry, biochemistry, geology, archaeology, medicine, biotechnology, and environmental sciences. Acknowledging that not all studies require the same level of understanding of this technique, this book thus provides a practical treatise clearly oriented toward applications, which should be useful to students and researchers of various levels and disciplines. In this book, the principles of continuous wave EPR spectroscopy are progressively, but rigorously, introduced, with emphasis on interpretation of the collected spectra. Each chapter is followed by a section highlighting important points for applications, together with exercises solved at the end of the book. A glossary defines the main terms used in the book, and particular topics, whose knowledge is not required for understanding the main text, are developed in appendices for more inquisitive readers.

Quantitative Infrared Spectroscopy for Understanding of a Condensed Matter (Hardcover, 1st ed. 2017): Takeshi Hasegawa Quantitative Infrared Spectroscopy for Understanding of a Condensed Matter (Hardcover, 1st ed. 2017)
Takeshi Hasegawa
R4,199 Discovery Miles 41 990 Ships in 12 - 19 working days

This book is intended to provide a course of infrared spectroscopy for quantitative analysis, covering both bulk matter and surface/interface analyses. Although the technology of Fourier transform infrared (FT-IR) spectroscopy was established many years ago, the full potential of infrared spectroscopy has not been properly recognized, and its intrinsic potential is still put aside. FT-IR has outstandingly useful characteristics, however, represented by the high sensitivity for monolayer analysis, highly reliable quantitativity, and reproducibility, which are quite suitable for surface and interface analysis. Because infrared spectroscopy provides rich chemical information-for example, hydrogen bonding, molecular conformation, orientation, aggregation, and crystallinity-FT-IR should be the first choice of chemical analysis in a laboratory. In this book, various analytical techniques and basic knowledge of infrared spectroscopy are described in a uniform manner. In particular, techniques for quantitative understanding are particularly focused for the reader's convenience.

Fabrication and Physical Properties of Novel Two-dimensional Crystal Materials Beyond Graphene: Germanene, Hafnene and PtSe2... Fabrication and Physical Properties of Novel Two-dimensional Crystal Materials Beyond Graphene: Germanene, Hafnene and PtSe2 (Hardcover, 1st ed. 2020)
Linfei Li
R2,873 Discovery Miles 28 730 Ships in 10 - 15 working days

This thesis reports on essential experimental work in the field of novel two-dimensional (2D) atomic crystals beyond graphene. It especially describes three new 2D crystal materials, namely germanene, hafnene, and monolayer PtSe2 fabricated experimentally for the first time, using an ultra-high vacuum molecular beam epitaxy (UHV-MBE) system. Multiple characterization techniques, including scanning tunneling microscope (STM), low energy electron diffraction (LEED), scanning transmission electron microscope (STEM), and angle-resolved photoemission spectroscopy (ARPES), combined with theoretical studies reveal the materials' atomic and electronic structures, which allows the author to further investigate their physical properties and potential applications. In addition, a new epitaxial growth method for transition metal dichalcogenides involving direct selenization of metal supports is developed. These studies represent a significant step forward in expanding the family of 2D crystal materials and exploring their application potentials in future nanotechnology and related areas.

Quantum-Enhanced Nonlinear Spectroscopy (Hardcover, 1st ed. 2017): Frank Schlawin Quantum-Enhanced Nonlinear Spectroscopy (Hardcover, 1st ed. 2017)
Frank Schlawin
R3,586 Discovery Miles 35 860 Ships in 12 - 19 working days

This thesis focuses on nonlinear spectroscopy from a quantum optics perspective. First, it provides a detailed introduction to nonlinear optical signals; starting from Glauber's photon counting formalism, it establishes the diagrammatic formulation, which forms the backbone of nonlinear molecular spectroscopy. The main body of the thesis investigates the impact of quantum correlations in entangled photon states on two-photon transitions, with a particular focus on the time-energy uncertainty, which restricts the possible simultaneous time and frequency resolution in measurements. It found that this can be violated with entangled light for individual transitions. The thesis then presents simulations of possible experimental setups that could exploit this quantum advantage. The final chapter is devoted to an application of the rapidly growing field of multidimensional spectroscopy to trapped ion chains, where it is employed to investigate nonequilibrium properties in quantum simulations.

Applications in High Resolution Mass Spectrometry - Food Safety and Pesticide Residue Analysis (Paperback): Roberto... Applications in High Resolution Mass Spectrometry - Food Safety and Pesticide Residue Analysis (Paperback)
Roberto Romero-Gonzalez, Antonia Garrido Frenich
R2,809 Discovery Miles 28 090 Ships in 12 - 19 working days

Applications of High Resolution Mass Spectrometry: Food Safety and Pesticide Residue Analysis is the first book to offer complete coverage of all aspects of high resolution mass spectrometry (HRMS) used for the analysis of pesticide residue in food. Aimed at researchers and graduate students in food safety, toxicology, and analytical chemistry, the book equips readers with foundational knowledge of HRMS, including established and state-of-the-art principles and analysis strategies. Additionally, it provides a roadmap for implementation, including discussions of the latest instrumentation and software available. Detailed coverage is given to the application of HRMS coupled to ultra high-performance liquid chromatography (UHPLC-HRMS) in the analysis of pesticide residue in fruits and vegetables and food from animal origin. The book also discusses extraction procedures and the challenges of sample preparation, gas chromatography coupled to high resolution mass spectrometry, flow injection-HRMS, ambient ionization, and identification of pesticide transformation products in food. Responding to the fast development and application of these new procedures, this book is an essential resource in the food safety field.

Membrane Characterization (Paperback): Nidal Hilal, Ahmad Fauzi Ismail, Takeshi Matsuura, Darren Oatley-Radcliffe Membrane Characterization (Paperback)
Nidal Hilal, Ahmad Fauzi Ismail, Takeshi Matsuura, Darren Oatley-Radcliffe
R4,530 R4,209 Discovery Miles 42 090 Save R321 (7%) Ships in 12 - 19 working days

Membrane Characterization provides a valuable source of information on how membranes are characterized, an extremely limited field that is confined to only brief descriptions in various technical papers available online. For the first time, readers will be able to understand the importance of membrane characterization, the techniques required, and the fundamental theory behind them. This book focuses on characterization techniques that are normally used for membranes prepared from polymeric, ceramic, and composite materials.

Pulsed Electron-Electron Double Resonance - Nanoscale Distance Measurement in the Biological, Materials and Chemical Sciences... Pulsed Electron-Electron Double Resonance - Nanoscale Distance Measurement in the Biological, Materials and Chemical Sciences (Hardcover, 1st ed. 2019)
Yuri D. Tsvetkov, Michael K. Bowman, Yuri A. Grishin
R3,622 Discovery Miles 36 220 Ships in 10 - 15 working days

This book covers the basic theory and techniques, as well as various applications of pulsed electron-electron double resonance (PELDOR or DEER). This electron paramagnetic resonance technique is able to measure the distances and the distribution of distances between electron spins in the 1.5-15 nanometer scale; to determine the geometry of spin-labeled molecules; to estimate the number of interacting spins in spin clusters; and to characterize the spatial distribution of paramagnetic centers. As a result, PELDOR is now a popular method in EPR spectroscopy, particularly in the context of biologically important systems and soft matter and is also applied to problems in physical chemistry, biochemistry, polymers, soft matter and materials. Enabling readers to gain an understanding of the fundamentals of the PELDOR methods and an appreciation of the opportunities PELDOR provides, the book helps readers solve their own physical and biochemical problems.

Annual Reports on NMR Spectroscopy, Volume 90 (Hardcover): Graham A. Webb Annual Reports on NMR Spectroscopy, Volume 90 (Hardcover)
Graham A. Webb
R5,812 Discovery Miles 58 120 Ships in 12 - 19 working days

Annual Reports on NMR Spectroscopy provides a thorough and in-depth accounting of progress in nuclear magnetic resonance (NMR) spectroscopy and its many applications. Nuclear magnetic resonance (NMR) is an analytical tool used by chemists and physicists to study the structure and dynamics of molecules. In recent years, no other technique has gained as much significance as NMR spectroscopy. It is used in all branches of science in which precise structural determination is required, and where the nature of interactions and reactions in solution is being studied. This book has established itself as a premier means for both specialists and non-specialists looking to familiarize themselves with the newest techniques and applications pertaining to NMR spectroscopy.

Spectroscopic Methods in the Study of Kaolin Minerals and Their Modifications (Hardcover, 1st ed. 2019): Jacob (Theo) Kloprogge Spectroscopic Methods in the Study of Kaolin Minerals and Their Modifications (Hardcover, 1st ed. 2019)
Jacob (Theo) Kloprogge
R2,947 Discovery Miles 29 470 Ships in 10 - 15 working days

This book systematically provides an overview of the use of a wide range of spectroscopic methods (Mid- and Near-Infrared, Infrared Emission, Raman, Solid-State Magic Angle Spinning Nuclear Magnetic Resonance, X-ray Photoelectron, Extended X-ray Absorption Fine Structure, X-ray Absorption Near Edge, Electron Spin and Moessbauer spectroscopy) to investigate kaolin minerals (kaolinite, dickite, nacrite and halloysite) and their modifications (intercalation compounds, nanocomposites and other modifications).

Electron Paramagnetic Resonance - Volume 22 (Hardcover, Edition.): Paul Tordo, Marina Bennati, Marco Lucarini, Alex Smirnov,... Electron Paramagnetic Resonance - Volume 22 (Hardcover, Edition.)
Paul Tordo, Marina Bennati, Marco Lucarini, Alex Smirnov, Stefan Stoll; Edited by …
R11,649 Discovery Miles 116 490 Ships in 10 - 15 working days

Electron Paramagnetic Resonance (EPR) highlights major developments in this area, with results being set into the context of earlier work and presented as a set of critical yet coherent overviews. The topics covered describe contrasting types of application, ranging from biological areas such as EPR studies of free-radical reactions in biology and medically-related systems, to experimental developments and applications involving EPR imaging, the use of very high fields, and time-resolved methods. Critical and up-to-the-minute reviews of advances involving the design of spin-traps, advances in spin-labelling, paramagnetic centres on solid surfaces, exchange-coupled oligomers, metalloproteins and radicals in flavoenzymes are also included. As EPR continues to find new applications in virtually all areas of modern science, including physics, chemistry, biology and materials science, this series caters not only for experts in the field, but also those wishing to gain a general overview of EPR applications in a given area.

Topological Structures in Ferroic Materials - Domain Walls, Vortices and Skyrmions (Hardcover, 1st ed. 2016): Jan Seidel Topological Structures in Ferroic Materials - Domain Walls, Vortices and Skyrmions (Hardcover, 1st ed. 2016)
Jan Seidel
R4,249 Discovery Miles 42 490 Ships in 12 - 19 working days

This book provides a state-of-the art overview of a highly interesting emerging research field in solid state physics/nanomaterials science, topological structures in ferroic materials. Topological structures in ferroic materials have received strongly increasing attention in the last few years. Such structures include domain walls, skyrmions and vortices, which can form in ferroelectric, magnetic, ferroelastic or multiferroic materials. These topological structures can have completely different properties from the bulk material they form in. They also can be controlled by external fields (electrical, magnetic, strain) or currents, which makes them interesting from a fundamental research point of view as well as for potential novel nanomaterials applications. To provide a comprehensive overview, international leading researches in these fields contributed review-like chapters about their own work and the work of other researchers to provide a current view of this highly interesting topic.

Confocal Raman Microscopy (Hardcover, 2nd ed. 2018): Jan Toporski, Thomas Dieing, Olaf Hollricher Confocal Raman Microscopy (Hardcover, 2nd ed. 2018)
Jan Toporski, Thomas Dieing, Olaf Hollricher
R7,024 Discovery Miles 70 240 Ships in 12 - 19 working days

This second edition provides a cutting-edge overview of physical, technical and scientific aspects related to the widely used analytical method of confocal Raman microscopy. The book includes expanded background information and adds insights into how confocal Raman microscopy, especially 3D Raman imaging, can be integrated with other methods to produce a variety of correlative microscopy combinations. The benefits are then demonstrated and supported by numerous examples from the fields of materials science, 2D materials, the life sciences, pharmaceutical research and development, as well as the geosciences.

Characterization of Metals and Alloys (Hardcover, 1st ed. 2017): Ramiro Perez Campos, Antonio Contreras Cuevas, Rodrigo A.... Characterization of Metals and Alloys (Hardcover, 1st ed. 2017)
Ramiro Perez Campos, Antonio Contreras Cuevas, Rodrigo A. Esparza Munoz
R4,175 R3,445 Discovery Miles 34 450 Save R730 (17%) Ships in 12 - 19 working days

This book covers various aspects of characterization of materials in the areas of metals, alloys, steels, welding, nanomaterials, intermetallic, and surface coatings. These materials are obtained by different methods and techniques like spray, mechanical milling, sol-gel, casting, biosynthesis, and chemical reduction among others. Some of these materials are classified according to application such as materials for medical application, materials for industrial applications, materials used in the oil industry and materials used like coatings. The authors provide a comprehensive overview of structural characterization techniques including scanning electron microscopy (SEM), X-ray diffraction (XRD), transmission electron microscopy (TEM), Raman spectroscopy, image analysis, finite element method (FEM), optical microscopy (OM), energy dispersive spectroscopy (EDS), Fourier transform infrared spectroscopy (FTIR), differential thermal analysis (DTA), differential scanning calorimetry (DSC), ultraviolet-visible spectroscopy (UV-Vis), infrared photo-thermal radiometry (IPTR), electrochemical impedance spectroscopy (EIS), thermogravimetry analysis (TGA), thermo luminescence (TL), photoluminescence (PL), high resolution transmission electron microscopy (HRTEM), and radio frequency (RF). The book includes theoretical models and illustrations of characterization properties-both structural and chemical.

Recent Advances in Laser Ablation ICP-MS for Archaeology (Hardcover, 1st ed. 2016): Laure Dussubieux, Mark Golitko, Bernard... Recent Advances in Laser Ablation ICP-MS for Archaeology (Hardcover, 1st ed. 2016)
Laure Dussubieux, Mark Golitko, Bernard Gratuze
R5,200 Discovery Miles 52 000 Ships in 12 - 19 working days

This book explores different aspects of LA-ICP-MS (laser ablation-inductively coupled plasma-mass spectrometry). It presents a large array of new analytical protocols for elemental or isotope analysis. LA-ICP-MS is a powerful tool that combines a sampling device able to remove very small quantities of material without leaving visible damage at the surface of an object. Furthermore, it functions as a sensitive analytical instrument that measures, within a few seconds, a wide range of isotopes in inorganic samples. Determining the elemental or the isotopic composition of ancient material is essential to address questions related to ancient technology or provenance and therefore aids archaeologists in reconstructing exchange networks for goods, people and ideas. Recent improvements of LA-ICP-MS have opened new avenues of research that are explored in this volume.

A Compendium of Solid State Theory (Hardcover, 2nd ed. 2020): Ladislaus Banyai A Compendium of Solid State Theory (Hardcover, 2nd ed. 2020)
Ladislaus Banyai
R2,145 Discovery Miles 21 450 Ships in 10 - 15 working days

Designed to sit alongside more conventional established condensed matter physics textbooks, this compact volume offers a concise presentation of the principles of solid state theory, ideal for advanced students and researchers requiring an overview or a quick refresher on a specific topic. The book starts from the one-electron theory of solid state physics, moving through electron-electron interaction and many-body approximation schemes, to lattice oscillations and their interactions with electrons. Subsequent chapters discuss transport theory and optical properties, phase transitions and some properties of low-dimensional semiconductors. This extensively expanded second edition includes new material on adiabatic perturbation theory, kinetic coefficients, the Nyquist theorem, Bose condensation, and the field-theoretical approach to non-relativistic quantum electrodynamics. Throughout the text, mathematical proofs are often only sketched, and the final chapter of the book reviews some of the key concepts and formulae used in theoretical physics. Aimed primarily at graduate and advanced undergraduate students taking courses on condensed matter theory, the book serves as a study guide to reinforce concepts learned through conventional solid state texts. Researchers and lecturers will also find it a useful resource as a concise set of notes on fundamental topics.

Biointerface Characterization by Advanced IR Spectroscopy (Hardcover): C. M. Pradier, Y. J. Chabal Biointerface Characterization by Advanced IR Spectroscopy (Hardcover)
C. M. Pradier, Y. J. Chabal
R4,263 Discovery Miles 42 630 Ships in 12 - 19 working days

IR spectroscopy has become without any doubt a key technique to answer questions raised when studying the interaction of proteins or peptides with solid surfaces for a fundamental point of view as well as for technological applications.

Principle, experimental set ups, parameters and interpretation rules of several advanced IR-based techniques; application to biointerface characterisation through the presentation of recent examples, will be given in this book. It will describe how to characterise amino acids, protein or bacterial strain interactions with metal and oxide surfaces, by using infrared spectroscopy, in vacuum, in the air or in an aqueous medium. Results will highlight the performances and perspectives of the technique.
Description of the principles, expermental setups and parameter interpretation, and the theory for several advanced IR-based techniques for interface characterisationContains examples which demonstrate the capacity, potential and limits of the IR techniquesHelps finding the most adequate mode of analysisContains examplesContains a glossary by techniques and by keywords

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.

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
R2,672 Discovery Miles 26 720 Ships in 10 - 15 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.

Geometric Control of Fracture and Topological Metamaterials (Hardcover, 1st ed. 2020): Noah Mitchell Geometric Control of Fracture and Topological Metamaterials (Hardcover, 1st ed. 2020)
Noah Mitchell
R2,873 Discovery Miles 28 730 Ships in 10 - 15 working days

This thesis reports a rare combination of experiment and theory on the role of geometry in materials science. It is built on two significant findings: that curvature can be used to guide crack paths in a predictive way, and that protected topological order can exist in amorphous materials. In each, the underlying geometry controls the elastic behavior of quasi-2D materials, enabling the control of crack propagation in elastic sheets and the control of unidirectional waves traveling at the boundary of metamaterials. The thesis examines the consequences of this geometric control in a range of materials spanning many orders of magnitude in length scale, from amorphous macroscopic networks and elastic continua to nanoscale lattices.

Dispersion Relations in Heavily-Doped Nanostructures (Hardcover, 1st ed. 2016): Kamakhya Prasad Ghatak Dispersion Relations in Heavily-Doped Nanostructures (Hardcover, 1st ed. 2016)
Kamakhya Prasad Ghatak
R3,017 Discovery Miles 30 170 Ships in 10 - 15 working days

This book presents the dispersion relation in heavily doped nano-structures. The materials considered are III-V, II-VI, IV-VI, GaP, Ge, Platinum Antimonide, stressed, GaSb, Te, II-V, HgTe/CdTe superlattices and Bismuth Telluride semiconductors. The dispersion relation is discussed under magnetic quantization and on the basis of carrier energy spectra. The influences of magnetic field, magneto inversion, and magneto nipi structures on nano-structures is analyzed. The band structure of optoelectronic materials changes with photo-excitation in a fundamental way according to newly formulated electron dispersion laws. They control the quantum effect in optoelectronic devices in the presence of light. The measurement of band gaps in optoelectronic materials in the presence of external photo-excitation is displayed. The influences of magnetic quantization, crossed electric and quantizing fields, intense electric fields on the on the dispersion relation in heavily doped semiconductors and super-lattices are also discussed. This book contains 200 open research problems which form the integral part of the text and are useful for graduate students and researchers. The book is written for post graduate students, researchers and engineers.

Structures and Dynamics of Interfacial Water - Input from Theoretical Vibrational Sum-frequency Spectroscopy (Hardcover, 1st... Structures and Dynamics of Interfacial Water - Input from Theoretical Vibrational Sum-frequency Spectroscopy (Hardcover, 1st ed. 2019)
Fujie Tang
R2,873 Discovery Miles 28 730 Ships in 10 - 15 working days

This book focuses on the study of the interfacial water using molecular dynamics simulation and experimental sum frequency generation spectroscopy. It proposes a new definition of the free O-H groups at water-air interface and presents research on the structure and dynamics of these groups. Furthermore, it discusses the exponential decay nature of the orientation distribution of the free O-H groups of interfacial water and ascribes the origin of the down pointing free O-H groups to the presence of capillary waves on the surface. It also describes how, based on this new definition, a maximum surface H-bond density of around 200 K at ice surface was found, as the maximum results from two competing effects. Lastly, the book discusses the absorption of water molecules at the water-TiO2 interface. Providing insights into the combination of molecular dynamics simulation and experimental sum frequency generation spectroscopy, it is a valuable resource for researchers in the field.

Nanomechanical and Nanoelectromechanical Phenomena in 2D Atomic Crystals - A Scanning Probe Microscopy Approach (Hardcover, 1st... Nanomechanical and Nanoelectromechanical Phenomena in 2D Atomic Crystals - A Scanning Probe Microscopy Approach (Hardcover, 1st ed. 2018)
Nicholas D. Kay
R3,435 Discovery Miles 34 350 Ships in 12 - 19 working days

This thesis introduces a unique approach of applying atomic force microscopy to study the nanoelectromechanical properties of 2D materials, providing high-resolution computer-generated imagery (CGI) and diagrams to aid readers' understanding and visualization. The isolation of graphene and, shortly after, a host of other 2D materials has attracted a great deal of interest in the scientific community for both their range of extremely desirable and their record-breaking properties. Amongst these properties are some of the highest elastic moduli and tensile strengths ever observed in nature. The work, which was undertaken at Lancaster University's Physics department in conjunction with the University of Manchester and the National Physical Laboratory, offers a new approach to understanding the nanomechanical and nanoelectromechanical properties of 2D materials by utilising the nanoscale and nanosecond resolution of ultrasonic force and heterodyne force microscopy (UFM and HFM) - both contact mode atomic force microscopy (AFM) techniques. Using this approach and developing several other new techniques the authors succeeded in probing samples' subsurface and mechanical properties, which would otherwise remain hidden. Lastly, by using a new technique, coined electrostatic heterodyne force microscopy (E-HFM), the authors were able to observe nanoscale electromechanical vibrations with a nanometre and nanosecond resolution, in addition to probing the local electrostatic environment of devices fabricated from 2D materials.

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