Products related to Electron:
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Electron Paramagnetic Resonance
The renowned Oxford Chemistry Primer series, which provides focused introductions to a range of important topics in chemistry, has been refreshed and updated to suit the needs of today's students, lecturers, and postgraduate researchers.The rigorous, yet accessible, treatment of each subject area is ideal for those wanting a primer in a given topic to prepare them for more advanced study or research.The learning features provided, including questions at the end of every chapter and online multiple-choice questions, encourage active learning and promote understanding.Moreover, cutting-edge examples and applications throughout the texts show the relevance to current research and industry of the chemistry being described. Electronic Paramagnetic Resonance provides a user-friendly introduction to this powerful tool for characterizing paramagnetic molecules.A versatile technique, EPR is becoming increasingly used across fields as diverse as biology, materials science, chemistry, and physics.This primer provides the perfect introduction to the subject by taking the reader through from basic principles to how spectra can be interpreted in practice, with frequent examples demonstrating the diverse ways in which the technique can be applied. Online Resource Centre The Online Resource Centre to accompany Electron Paramagnetic Resonance features: For registered adopters of the text: · Figures from the book available to download For students: · Full worked solutions to the end-of-chapter exercises · Multiple-choice questions for self-directed learning
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Introduction to Analytical Electron Microscopy
The birth of analytical electron microscopy (AEM) is somewhat obscure.Was it the recognition of the power and the development of STEM that signaled its birth?Was AEM born with the attachment of a crystal spectrometer to an otherwise conventional TEM? Or was it born earlier with the first analysis of electron loss spectra?It's not likely that any of these developments alone would have been sufficient and there have been many others (microdiffraction, EDS, microbeam fabrication, etc.) that could equally lay claim to being critical to the establishment of true AEM.It is probably more accurate to simply ascribe the present rapid development to the obvious: a combination of ideas whose time has come.Perhaps it is difficult to trace the birth of AEM simply because it remains a point of contention to even define its true scope.For example, the topics in this book, even though very broad, are still far from a complete description of what many call AEM.When electron beams interact with a solid it is well-known that a bewildering number of possible interactions follow.Analytical electron microscopy attempts to take full qualitative and quantitative advantage of as many of these interactions as possible while still preserving the capability of high resolution imaging.Although we restrict ourselves here to electron transparent films, much of what is described applies to thick specimens as well.Not surprisingly, signals from all possible interactions cannot yet (and probably never will) be attained simultaneously under optimum conditions.
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Material Characterization Using Electron Holography
Material Characterization using Electron Holography Exploration of a unique technique that offers exciting possibilities to analyze electromagnetic behavior of materials Material Characterization using Electron Holography addresses how the electromagnetic field can be directly visualized and precisely interpreted based on Maxwell’s equations formulated by special relativity, leading to the understanding of electromagnetic properties of advanced materials and devices.In doing so, it delivers a unique route to imaging materials in higher resolution. The focus of the book is on in situ observation of electromagnetic fields of diverse functional materials.Furthermore, an extension of electron holographic techniques, such as direct observation of accumulation and collective motions of electrons around the charged insulators, is also explained.This approach enables the reader to develop a deeper understanding of functionalities of advanced materials. Written by two highly qualified authors with extensive first-hand experience in the field, Material Characterization using Electron Holography covers topics such as: Importance of electromagnetic fields and their visualization, Maxwell’s equations formulated by special relativity, and de Broglie waves and wave functions Outlines of general relativity and Einstein’s equations, principles of electron holography, and related techniques Simulation of holograms and visualized electromagnetic fields, electric field analysis, and in situ observation of electric fields Interaction between electrons and charged specimen surfaces and interpretation of visualization of collective motions of electrons For materials scientists, analytical chemists, structural chemists, analytical research institutes, applied physicists, physicists, semiconductor physicists, and libraries looking to be on the cutting edge of methods to analyze electromagnetic behavior of materials, Material Characterization using Electron Holography offers comprehensive coverage of the subject from authoritative and forward-thinking topical experts.
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Going on a Meditation Retreat : Embracing Silence to Cultivate Mindfulness and Compassion
This book provides a straightforward, accessible guide to going on a silent meditation retreat. Written by experienced retreat facilitators, the book presents a mix of Buddhist wisdom, insights from modern psychology and mindfulness research, and personal accounts from meditators who have attended retreats with them in the last 30 years.The chapters provide advice on preparing for the retreat, such as booking and what to pack, and offer practical day-to-day guidance about how to sit whilst being kind to knee, back or other physical issues.There is detailed information about how to work compassionately with the difficult thoughts or emotions and other challenges participants typically encounter on this kind of more intensive meditation programme, as well as how to cultivate joy, gratitude, compassion and balance.The focus is on in-person retreats but the book also offers some guidance for teaching and participating in online home retreats, a new development which has emerged from the COVID-19 pandemic and lockdowns. The book as is an invaluable resource for anyone considering going on a silent meditation retreat to step out of the often frantic and overwhelming round of day-to-day activity and find space for reflection.It will also be of use to mindfulness teachers or trainees who are required to go on retreat for qualification purposes and to current or trainee retreat facilitators.
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Is there a timer for mindfulness training, meditation, yoga, and spirituality?
There is no set timer for mindfulness training, meditation, yoga, and spirituality as it varies from person to person. Some people may find it helpful to start with short sessions, such as 5-10 minutes, and gradually increase the duration as they become more comfortable. Others may prefer longer sessions right from the start. It's important to listen to your body and mind and find a timing that works best for you. The key is to be consistent and make it a regular practice in your daily routine.
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What are meditation and mindfulness?
Meditation is a practice that involves focusing the mind on a particular object, thought, or activity to train attention and awareness, and achieve a mentally clear and emotionally calm state. Mindfulness is a type of meditation that involves paying attention to the present moment without judgment. It involves being fully aware of your thoughts, feelings, bodily sensations, and surrounding environment. Both meditation and mindfulness have been shown to have numerous benefits for mental and physical well-being, including reducing stress, improving focus, and enhancing overall quality of life.
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Is loving-kindness meditation sufficient instead of mindfulness meditation?
Loving-kindness meditation and mindfulness meditation serve different purposes and can complement each other. While mindfulness meditation focuses on being present and aware of one's thoughts and feelings without judgment, loving-kindness meditation cultivates feelings of compassion and goodwill towards oneself and others. Both practices can be beneficial for overall well-being, and individuals may choose to incorporate both into their meditation routine for a more holistic approach to mental and emotional health. Ultimately, the effectiveness of each practice depends on the individual's specific needs and goals.
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What is a unbound electron and a free electron pair?
An unbound electron is an electron that is not associated with an atom or molecule, meaning it is free to move independently. A free electron pair refers to a pair of unbound electrons that are not part of a chemical bond and are free to move around. These free electrons play a crucial role in various physical and chemical processes, such as conductivity in metals and chemical reactions.
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Going on a Meditation Retreat : Embracing Silence to Cultivate Mindfulness and Compassion
This book provides a straightforward, accessible guide to going on a silent meditation retreat. Written by experienced retreat facilitators, the book presents a mix of Buddhist wisdom, insights from modern psychology and mindfulness research, and personal accounts from meditators who have attended retreats with them in the last 30 years.The chapters provide advice on preparing for the retreat, such as booking and what to pack, and offer practical day-to-day guidance about how to sit whilst being kind to knee, back or other physical issues.There is detailed information about how to work compassionately with the difficult thoughts or emotions and other challenges participants typically encounter on this kind of more intensive meditation programme, as well as how to cultivate joy, gratitude, compassion and balance.The focus is on in-person retreats but the book also offers some guidance for teaching and participating in online home retreats, a new development which has emerged from the COVID-19 pandemic and lockdowns. The book as is an invaluable resource for anyone considering going on a silent meditation retreat to step out of the often frantic and overwhelming round of day-to-day activity and find space for reflection.It will also be of use to mindfulness teachers or trainees who are required to go on retreat for qualification purposes and to current or trainee retreat facilitators.
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Electron Backscatter Diffraction in Materials Science
Electron backscatter diffraction is a very powerful and relatively new materials characterization technique aimed at the determination of crystallographic texture, grain boundary character distributions, lattice strain, phase identification, and much more.The purpose of this book is to provide the fundamental basis for electron backscatter diffraction in materials science, the current state of both hardware and software, and illustrative examples of the applications of electron backscatter diffraction to a wide-range of materials including undeformed and deformed metals and alloys, ceramics, and superconductors. The text has been substantially revised from the first edition, and the authors have kept the format as close as possible to the first edition text.The new developments covered in this book include a more comphrensive coverage of the fundamentals not covered in the first edition or other books in the field, the advances in hardware and software since the first edition was published, and current examples of application of electron backscatter diffraction to solve challenging problems in materials science and condensed-matter physics.
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Principles of Pulse Electron Paramagnetic Resonance
This book explains the foundations of pulse EPR, a field of spectroscopy which has now come of age and has found widespread application in investigations of structure, dynamics, and function of biological systems and synthetic materials.For the first time a systematic overview of the whole field is given, including coverage of Fourier-transform EPR, relaxation measurements, electron spin echo envelope modulation (ESEEM), pulse electron- nuclear double resonance (ENDOR), pulse electron-electron double resonance (ELDOR), transient nutation, and a number of advanced techniques.Researchers approaching the field will find here the basic theory as well as a description and critical evaluation of the existing methods needed for selecting the proper experiment, conducting it, and analysing the results.The experienced researcher active in the field should find this book a useful reference and a guide to adapting EPR pulse sequences to new problems.
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Transmission Electron Microscopy : Diffraction, Imaging, and Spectrometry
This text is a companion volume to Transmission Electron Microscopy: A Textbook for Materials Science by Williams and Carter.The aim is to extend the discussion of certain topics that are either rapidly changing at this time or that would benefit from more detailed discussion than space allowed in the primary text.World-renowned researchers have contributed chapters in their area of expertise, and the editors have carefully prepared these chapters to provide a uniform tone and treatment for this exciting material.The book features an unparalleled collection of color figures showcasing the quality and variety of chemical data that can be obtained from today’s instruments, as well as key pitfalls to avoid.As with the previous TEM text, each chapter contains two sets of questions, one for self assessment and a second more suitable for homework assignments.Throughout the book, the style follows that of Williams & Carter even when the subject matter becomes challenging—the aim is always to make the topic understandable by first-year graduate students and others who are working in the field of Materials ScienceTopics covered include sources, in-situ experiments, electron diffraction, Digital Micrograph, waves and holography, focal-series reconstruction and direct methods, STEM and tomography, energy-filtered TEM (EFTEM) imaging, and spectrum imaging.The range and depth of material makes this companion volume essential reading for the budding microscopist and a key reference for practicing researchers using these and related techniques.
Price: 109.99 £ | Shipping*: 0.00 £
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What is an unbound electron and a free electron pair?
An unbound electron is an electron that is not associated with an atom or molecule, meaning it is free to move independently. A free electron pair refers to two electrons that are not involved in bonding with other atoms, allowing them to move freely within a material. Both unbound electrons and free electron pairs play important roles in various physical and chemical processes, such as conducting electricity in metals or participating in chemical reactions.
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When does electron absorption occur and when does electron emission occur?
Electron absorption occurs when an electron gains energy and moves to a higher energy level within an atom or molecule. This can happen when the electron absorbs a photon of light or heat energy. On the other hand, electron emission occurs when an electron loses energy and moves to a lower energy level, releasing a photon of light or heat energy in the process. This can happen when an electron is excited to a higher energy level and then returns to its original energy level.
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What state do particles obtain through electron uptake and electron release?
Particles obtain a charged state through electron uptake and electron release. When a particle gains an electron, it becomes negatively charged, and when it loses an electron, it becomes positively charged. This process of gaining or losing electrons is known as ionization, and it results in the formation of ions with a net positive or negative charge.
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What is the difference between mantra meditation and mindfulness meditation?
Mantra meditation involves focusing on a specific word, phrase, or sound to quiet the mind and cultivate a sense of inner peace. This repetition helps to anchor the mind and prevent distractions. On the other hand, mindfulness meditation involves being fully present in the moment, observing thoughts, feelings, and sensations without judgment. It emphasizes awareness of the present moment and acceptance of whatever arises. Both practices can help reduce stress and improve overall well-being, but they differ in their specific techniques and focuses.
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