Linear And Chiral Dichroism In The Electron Microscope

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Linear And Chiral Dichroism In The Electron Microscope

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Author : Peter Schattschneider
language : en
Publisher: CRC Press
Release Date : 2012-03-01

Linear And Chiral Dichroism In The Electron Microscope written by Peter Schattschneider and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-03-01 with Science categories.

This book describes energy loss magnetic chiral dichroism (EMCD), a phenomenon in energy loss spectroscopy discovered in 2006. EMCD is the equivalent of XMCD but is based on fast probe electrons in the electron microscope. A spatial resolution of 2 nm has been demonstrated, and the lattice-resolved mapping of atomic spins appears feasible. EMCD is, thus, a promising technique for magnetic studies on the nanometer and sub-nanometer scale, providing the technical and logistic advantages of electron microscopy, such as in situ chemical and structural information, easy access, and low cost.

Linear And Chiral Dichroism In The Electron Microscope

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Author : Peter Schattschneider
language : en
Publisher: CRC Press
Release Date : 2012-03-01

Linear And Chiral Dichroism In The Electron Microscope written by Peter Schattschneider and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-03-01 with Science categories.

This book describes energy loss magnetic chiral dichroism (EMCD), a phenomenon in energy loss spectroscopy discovered in 2006. EMCD is the equivalent of XMCD but is based on fast probe electrons in the electron microscope. A spatial resolution of 2 nm has been demonstrated, and the lattice-resolved mapping of atomic spins appears feasible. EMCD is,

Towards An Unambiguous Electron Magnetic Chiral Dichroism Emcd Measurement In A Transmission Electron Microscope Tem

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Author : Christian Hurm
language : en
Publisher: Logos Verlag Berlin GmbH
Release Date : 2009

Towards An Unambiguous Electron Magnetic Chiral Dichroism Emcd Measurement In A Transmission Electron Microscope Tem written by Christian Hurm and has been published by Logos Verlag Berlin GmbH this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Science categories.

The intention of the ChiralTEM project (2004-2007) was the detection of electron (energy loss) magnetic chiral dichroism in a transmission electron microscope (TEM), in analogy to X-ray magnetic circular dichroism (XMCD). For the experiments, single-crystal electron transparent specimen's with magnetic induction perpendicular to the specimen's plane are required. In this thesis, different preparation techniques are evaluated regarding their usability to produce ideal specimen's for a verification of EMCD. After the demonstration of a dichroic measurement, an obvious way to prove the chiral effect is to invert the specimen's magnetization from parallel to antiparallel to the electron beam trajectory, leaving all other parameters of the experimental setup unchanged. For this case, one would - according to theory - expect a change in the dichroic signal measured. In the magnetic field of the objective lens of a 300kV TEM, typical ferromagnetic specimens will be close to saturation perpendicular to the specimen's plane. Reversing the current through the coils of the objective lens will then simply invert the magnetization of the specimen. In consequence, any magnetic chiral effect is expected to change sign. A switching unit for Tecnai microscopes has been constructed for save commutation of the lens currents. The direct sensitivity of the dichroic signal to the direction of the magnetization gives evidence to the magnetic origin of the effect.

Principles Of Electron Optics Volume 4

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Author : Peter W. Hawkes
language : en
Publisher: Academic Press
Release Date : 2022-05-10

Principles Of Electron Optics Volume 4 written by Peter W. Hawkes and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-05-10 with Technology & Engineering categories.

Principles of Electron Optics: Second Edition, Advanced Wave Optics provides a self-contained, modern account of electron optical phenomena with the Dirac or Schrödinger equation as a starting point. Knowledge of this branch of the subject is essential to understanding electron propagation in electron microscopes, electron holography and coherence. Sections in this new release include, Electron Interactions in Thin Specimens, Digital Image Processing, Acquisition, Sampling and Coding, Enhancement, Linear Restoration, Nonlinear Restoration – the Phase Problem, Three-dimensional Reconstruction, Image Analysis, Instrument Control, Vortex Beams, The Quantum Electron Microscope, and much more. - Includes authoritative coverage of many recent developments in wave electron optics - Describes the interaction of electrons with solids and the information that can be obtained from electron-beam techniques - Includes new content on multislice optics, 3D reconstruction, Wigner optics, vortex beams and the quantum electron microscope

Energy Storage Materials Characterization

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Author : Yongbing Tang
language : en
Publisher: John Wiley & Sons
Release Date : 2024-12-12

Energy Storage Materials Characterization written by Yongbing Tang and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-12-12 with Technology & Engineering categories.

Comprehensive summary of the properties and performance of experimental analytical techniques for a wide range of electrochemical energy storage materials Energy Storage Materials Characterization summarizes the basic methods used to determine the properties and performance of energy storage materials and details a wide range of techniques used in electrochemical testing, including X-ray, neutron, optical, microwave, electron, and scanning probe techniques. Representative examples of each technique are presented to illustrate their powerful capabilities and offer a general strategy for future development of the original techniques. Preceding the main text, a helpful introduction covers topics including the overall energy consumption structure of the modern world, various existing forms of energy and electrochemical energy storage, known problems with energy storage materials such as lithium-ion batteries, and specifics of electrochemical impedance spectroscopy (EIS). Written by two highly qualified academics with significant research experience in the field, Energy Storage Materials Characterization includes information such as: Photoemission spectroscopy, X-ray pair distribution function to investigate battery systems, and cryo-electron microscopy X-ray diffraction, absorption spectroscopy, fluorescence and tomography microscopy, and neutron scattering, depth profile, and imaging UV-Vis spectroscopy for energy storage and related materials, Raman spectroscopy, Fourier transform infrared spectroscopy, and optical microscopy Structural and chemical characterization of alkali-ion battery materials using electron energy-loss spectroscopy coupled with transmission electron microscopy Energy Storage Materials Characterization is an essential up-to-date reference on the subject for chemists and materials scientists involved in research related to improving electrochemical energy storage systems for superior battery performance.

Molecular Gels

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Author : Richard G. Weiss
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-06-30

Molecular Gels written by Richard G. Weiss and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-06-30 with Science categories.

"Molecular Gels: Materials with Self-Assembled Fibrillar Networks" is a comprehensive treatise on gelators, especially low molecular-mass gelators and the properties of their gels. The structures and modes of formation of the self-assembled fibrillar networks (SAFINs) that immobilize the liquid components of the gels are discussed experimentally and theoretically. The spectroscopic, rheological, and structural features of the different classes of low molecular-mass gelators are also presented. Many examples of the application of the principal analytical techniques for investigation of molecular gels (including SANS, SAXS, WAXS, UV-vis absorption, fluorescence and CD spectroscopies, scanning electron, transmission electron and optical microscopies, and molecular modeling) are presented didactically and in-depth, as are several of the theories of the stages of aggregation of individual low molecular-mass gelator molecules leading to SAFINs. Several actual and potential applications of molecular gels in disparate fields (from silicate replication of nanostructures to art conservation) are described. Special emphasis is placed on perspectives for future developments. This book is an invaluable resource for researchers and practitioners either already researching self-assembly and soft matter or new to the area. Those who will find the book useful include chemists, engineers, spectroscopists, physicists, biologists, theoreticians, and materials scientists.

Electron Nano Imaging

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Author : Nobuo Tanaka
language : en
Publisher: Springer
Release Date : 2017-04-04

Electron Nano Imaging written by Nobuo Tanaka and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-04-04 with Technology & Engineering categories.

In this book, the bases of imaging and diffraction in transmission electron microscopy (TEM) and scanning transmission electron microscopy (STEM) are explained in the style of a textbook. The book focuses on the explanation of electron microscopic imaging of TEM and STEM without including in the main text distracting information on basic knowledge of crystal diffraction, wave optics, electron lens, and scattering and diffraction theories, which are explained separately in the appendices. A comprehensive explanation is provided on the basis of Fourier transform theory, and this approach is unique in comparison with other advanced resources on high-resolution electron microscopy. With the present textbook, readers are led to understand the essence of the imaging theories of TEM and STEM without being diverted by other knowledge of electron microscopy. The up-to-date information in this book, particularly on imaging details of STEM and aberration corrections, is valuable worldwide for today’s graduate students and professionals just starting their careers.

Advances In Imaging And Electron Physics

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Author :
language : en
Publisher: Academic Press
Release Date : 2018-06-15

Advances In Imaging And Electron Physics written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-15 with Computers categories.

Advances in Imaging and Electron Physics, Volume 206, merges two long-running serials, Advances in Electronics and Electron Physics and Advances in Optical and Electron Microscopy. The series features extended articles on the physics of electron devices (especially semiconductor devices), particle optics at high and low energies, microlithography, image science, digital image processing, electromagnetic wave propagation, electron microscopy, and the computing methods used in all these domains. - Contains contributions from leading authorities on the subject matter - Informs and updates on all the latest developments in the field of imaging and electron physics - Provides practitioners interested in microscopy, optics, image processing, mathematical morphology, electromagnetic fields, electrons and ion emission with a valuable resource - Features extended articles on the physics of electron devices (especially semiconductor devices), particle optics at high and low energies, microlithography, image science and digital image processing

Scanning Transmission Electron Microscopy Of Nanomaterials Basics Of Imaging And Analysis

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Author : Nobuo Tanaka
language : en
Publisher: World Scientific
Release Date : 2014-08-21

Scanning Transmission Electron Microscopy Of Nanomaterials Basics Of Imaging And Analysis written by Nobuo Tanaka and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-08-21 with Science categories.

The basics, present status and future prospects of high-resolution scanning transmission electron microscopy (STEM) are described in the form of a textbook for advanced undergraduates and graduate students. This volume covers recent achievements in the field of STEM obtained with advanced technologies such as spherical aberration correction, monochromator, high-sensitivity electron energy loss spectroscopy and the software of image mapping. The future prospects chapter also deals with z-slice imaging and confocal STEM for 3D analysis of nanostructured materials.

Plasmon Coupling Physics

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Author : Martin Hÿtch
language : en
Publisher: Academic Press
Release Date : 2022-06-16

Plasmon Coupling Physics written by Martin Hÿtch and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-06-16 with Technology & Engineering categories.

Plasmon Coupling Physics, Wave Effects and their Study by Electron Spectroscopies, Volume 222 in the Advances in Imaging and Electron Physics serial, merges two long-running serials, Advances in Electronics and Electron Physics and Advances in Optical and Electron Microscopy. The series features articles on the physics of electron devices (especially semiconductor devices), particle optics at high and low energies, microlithography, image science, digital image processing, electromagnetic wave propagation, electron microscopy and the computing methods used in all these domains. Specific chapters in this release cover Phase retrieval methods applied to coherent imaging, X-ray phase-contrast imaging: a broad overview of some fundamentals, Graphene and borophene as nanoscopic materials for electronics – with review of the physics, and more. - Provides the authority and expertise of leading contributors from an international board of authors - Presents the latest release in the Advances in Imaging and Electron Physics series - Updated release includes the latest information on the Plasmon Coupling Physics, Wave Effects and their Study by Electron Spectroscopies