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Author : Wei Li
Publisher :
ISBN 13 :
Total Pages : 31 pages
Book Rating : 4.:/5 (11 download)
Download or read book Automated Defect Analysis in Electron Microscopy Images written by Wei Li and published by . This book was released on 2018 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. H. Loretto
Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.:/5 (318 download)
Download or read book Defect Analysis in Electron Microscopy written by M. H. Loretto and published by . This book was released on 1975 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A.K. Head
Publisher : Elsevier
ISBN 13 : 0444601473
Total Pages : 413 pages
Book Rating : 4.4/5 (446 download)
Download or read book Computed Electron Micrographs And Defect Identification written by A.K. Head and published by Elsevier. This book was released on 2012-12-02 with total page 413 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computed Electron Micrographs and Defect Identification illustrates a technique for identifying defects in crystalline solids by the comparison of their images, which are produced in the electron microscope, with corresponding theoretical images. This book discusses the diffraction of electrons by a crystal; the two-beam dynamical equations; the absorption parameters; the deviation of the crystal from the Bragg reflecting position; the extinction distance; the displacement vector; and the foil normal. Chapter three presents the experimental techniques for determination of beam direction, defect line normal, foil normal, foil thickness, and extinction distance. Chapters four to seven explore ONEDIS and TWODIS and their principles. Chapters eight and nine focus on the application and limitations of the technique, while the last chapter explores the different computer programs related to the technique. Post-graduate students, as well as researchers using transmission electron microscopy for studying defects in crystalline solids, will find this book invaluable.
Author : Oleg Sergeevich Ovchinnikov
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Development of Automated Methods for Extraction of Structural Information from Microscopy Data written by Oleg Sergeevich Ovchinnikov and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Quantitative Automated Object Wave Restoration in High-Resolution Electron Microscopy written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The main problem addressed by this dissertation is the accurate and automated determination of electron microscope imaging conditions. This enables the restoration of the object wave, which confers direct structural information about the specimen, from sets of differently aberrated images. An important member in the imaging chain is the image recording device, in many cases now a charge-coupled device (CCD) camera. Previous characterisations of these cameras often relied on the unjustified assumption that the Modulation Transfer Function (MTF) also correctly describes the spatial frequency dependent attenuation of the electron shot noise. A new theory is therefore presented that distinguishes between signal and noise transfer. This facilitates the evaluation of both properties using a detailed Monte-Carlo simulation model for the electron and photon scattering in the scintillator of the camera. Furthermore, methods for the accurate experimental determination of the signal and noise transfer functions are presented. In agreement with the Monte-Carlo simulations, experimental results for commercially available CCD cameras show that the signal transfer is significantly poorer than the noise transfer. The centrepiece of this dissertation is the development of new methods for determining the relative aberrations in a set of images and the absolute symmetric aberrations in the restored wave. Both are based on the analysis of the phase information in the Fourier domain and give each Fourier component a weight independent of its strength. This makes the method suitable even for largely crystalline samples with little amorphous contamination, where conventional methods, such as automated diffractogram fitting, usually fail. The method is then extended to also cover the antisymmetric aberrations, using combined beam tilt and focal series. The applicability of the new method is demonstrated with object wave restorations from tilt and focal series of complex inorganic block oxi.
Author : Materials Research Society
Publisher : Pittsburgh, Pa. : Materials Research Society
ISBN 13 :
Total Pages : 424 pages
Book Rating : 4.3/5 (91 download)
Download or read book High Resolution Electron Microscopy of Defects in Materials: Volume 183 written by Materials Research Society and published by Pittsburgh, Pa. : Materials Research Society. This book was released on 1990-08-10 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: The MRS Symposium Proceeding series is an internationally recognised reference suitable for researchers and practitioners.
Author : Rik Brydson
Publisher : John Wiley & Sons
ISBN 13 : 1119979900
Total Pages : 235 pages
Book Rating : 4.1/5 (199 download)
Download or read book Aberration-Corrected Analytical Transmission Electron Microscopy written by Rik Brydson and published by John Wiley & Sons. This book was released on 2011-08-02 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is concerned with the theory, background, and practical use of transmission electron microscopes with lens correctors that can correct the effects of spherical aberration. The book also covers a comparison with aberration correction in the TEM and applications of analytical aberration corrected STEM in materials science and biology. This book is essential for microscopists involved in nanoscale and materials microanalysis especially those using scanning transmission electron microscopy, and related analytical techniques such as electron diffraction x-ray spectrometry (EDXS) and electron energy loss spectroscopy (EELS).
Author : Alina Bruma
Publisher : CRC Press
ISBN 13 : 0429516169
Total Pages : 162 pages
Book Rating : 4.4/5 (295 download)
Download or read book Scanning Transmission Electron Microscopy written by Alina Bruma and published by CRC Press. This book was released on 2020-12-22 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scanning Transmission Electron Microscopy: Advanced Characterization Methods for Materials Science Applications The information comprised in this book is focused on discussing the latest approaches in the recording of high-fidelity quantitative annular dark-field (ADF) data. It showcases the application of machine learning in electron microscopy and the latest advancements in image processing and data interpretation for materials notoriously difficult to analyze using scanning transmission electron microscopy (STEM). It also highlights strategies to record and interpret large electron diffraction datasets for the analysis of nanostructures. This book: Discusses existing approaches for experimental design in the recording of high-fidelity quantitative ADF data Presents the most common types of scintillator-photomultiplier ADF detectors, along with their strengths and weaknesses. Proposes strategies to minimize the introduction of errors from these detectors and avenues for dealing with residual errors Discusses the practice of reliable multiframe imaging, along with the benefits and new experimental opportunities it presents in electron dose or dose-rate management Focuses on supervised and unsupervised machine learning for electron microscopy Discusses open data formats, community-driven software, and data repositories Proposes methods to process information at both global and local scales, and discusses avenues to improve the storage, transfer, analysis, and interpretation of multidimensional datasets Provides the spectrum of possibilities to study materials at the resolution limit by means of new developments in instrumentation Recommends methods for quantitative structural characterization of sensitive nanomaterials using electron diffraction techniques and describes strategies to collect electron diffraction patterns for such materials This book helps academics, researchers, and industry professionals in materials science, chemistry, physics, and related fields to understand and apply computer-science–derived analysis methods to solve problems regarding data analysis and interpretation of materials properties.
Author : Marco Oster
Publisher : Cuvillier Verlag
ISBN 13 : 3736985622
Total Pages : 208 pages
Book Rating : 4.7/5 (369 download)
Download or read book Automated Phase Plate Application In Transmission Electron Microscopy written by Marco Oster and published by Cuvillier Verlag. This book was released on 2017-06-28 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transmission electron microscopy is an essential tool to determine the structure of biological and material-science samples. A majority of the studied specimen are phase objects, i.e. they impose a small distortion on the phase on the traversing electron wave. To visualize this signal, conventional transmission electron microscopy needs to apply intended lens aberrations, which results in distorted images. Phase plate microscopy offers an alternative possibility to generate phase contrast without relying on the lens aberrations. However, the delicate alignment of the phase plates and their quick degeneration prevent their routine application. In this work, approaches for automating the phase plate alignment are developed. To further improve the applicability, different means to reduce the so-called cut-on effect are evaluated. For that, the characteristics of a prototype instrument especially constructed to solve the cut-on problem are assessed and the properties of a new dynamic imaging mode examined in a theoretical study and by simulation. The applicability of the approach is demonstrated on beam-sensitive samples using the developed automation routines. Die Transmissionselektronenmikroskopie dient als essentielles Werkzeug der Strukturaufklärung biologischer und materialwissenschaftlicher Systeme. Ein Großteil der dort untersuchten Proben sind Phasenobjekte, d.h. ihre Interaktion mit der durchlaufenden Elektronenwelle bewirkt eine Phasenänderung selbiger. Zur Sichtbarmachung dieses Signals werden in der konventionellen Transmissionselektronenmikroskopie Linsenaberrationen benutzt, wobei das entstehende Bild von entsprechenden Abbildungsfehlern behaftet ist. Phasenplattenmikroskopie bietet eine alternative Möglichkeit der Kontrasterzeugung, ohne dabei Linsenaberrationen zu benötigen. Jedoch verhindern sowohl die zur Anwendung notwendigen diffizilen Bedientechniken, als auch die große Empfindlichkeit heutzutage verfügbarer Phasenplattensysteme bisher einen routinemäßigen Einsatz. In dieser Arbeit werden Möglichkeiten einer automatisierten Anwendung von Phasenplatten erarbeitet und deren Einsatzfähigkeit evaluiert. Der Fokus liegt hierbei auf der Begrenzung des sogenannten cut-on Effekts, welcher die Phasenkontrastübertragung für kleine Ortsfrequenzen limitiert. Dazu werden zum einen die Eigenschaften eines eigens zur Behebung dieses Problems konstruierten Prototypengeräts evaluiert, und zum anderen die Merkmale eines neuen, bisher nicht detailliert beschriebenen Abbildungsmodus theoretisch erarbeitet und seine praktische Anwendung auf strahlungsempfindlichen Proben unter Zuhilfenahme der entwickelten Automatisierungstechniken demonstriert.
Author : C. A. English
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)
Download or read book Electron microscope image contrast from small dislocation loops : IV, applications of theoretical predictions for non-edge loops to defect analysis in irradiated molybdenum written by C. A. English and published by . This book was released on 1979 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C. A. English
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (353 download)
Download or read book Electron Microscope Image Contrast from Small Dislocation Loops written by C. A. English and published by . This book was released on 1979 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C. Barry Carter
Publisher : Springer
ISBN 13 : 3319266519
Total Pages : 543 pages
Book Rating : 4.3/5 (192 download)
Download or read book Transmission Electron Microscopy written by C. Barry Carter and published by Springer. This book was released on 2016-08-24 with total page 543 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 Science Topics 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.
Author : Peter W. Hawkes
Publisher : Springer Nature
ISBN 13 : 3030000699
Total Pages : 1561 pages
Book Rating : 4.0/5 (3 download)
Download or read book Springer Handbook of Microscopy written by Peter W. Hawkes and published by Springer Nature. This book was released on 2019-11-02 with total page 1561 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book features reviews by leading experts on the methods and applications of modern forms of microscopy. The recent awards of Nobel Prizes awarded for super-resolution optical microscopy and cryo-electron microscopy have demonstrated the rich scientific opportunities for research in novel microscopies. Earlier Nobel Prizes for electron microscopy (the instrument itself and applications to biology), scanning probe microscopy and holography are a reminder of the central role of microscopy in modern science, from the study of nanostructures in materials science, physics and chemistry to structural biology. Separate chapters are devoted to confocal, fluorescent and related novel optical microscopies, coherent diffractive imaging, scanning probe microscopy, transmission electron microscopy in all its modes from aberration corrected and analytical to in-situ and time-resolved, low energy electron microscopy, photoelectron microscopy, cryo-electron microscopy in biology, and also ion microscopy. In addition to serving as an essential reference for researchers and teachers in the fields such as materials science, condensed matter physics, solid-state chemistry, structural biology and the molecular sciences generally, the Springer Handbook of Microscopy is a unified, coherent and pedagogically attractive text for advanced students who need an authoritative yet accessible guide to the science and practice of microscopy.
Author : Joachim Frank
Publisher : Springer Science & Business Media
ISBN 13 : 0387690085
Total Pages : 464 pages
Book Rating : 4.3/5 (876 download)
Download or read book Electron Tomography written by Joachim Frank and published by Springer Science & Business Media. This book was released on 2008-03-05 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: This definitive work provides a comprehensive treatment of the mathematical background and working methods of three-dimensional reconstruction from tilt series. Special emphasis is placed on the problems presented by limitations of data collection in the transmission electron microscope. The book, extensively revised and updated, takes the reader from biological specimen preparation to three-dimensional images of the cell and its components.
Author : Patrick Echlin
Publisher : Springer Science & Business Media
ISBN 13 : 0387857311
Total Pages : 329 pages
Book Rating : 4.3/5 (878 download)
Download or read book Handbook of Sample Preparation for Scanning Electron Microscopy and X-Ray Microanalysis written by Patrick Echlin and published by Springer Science & Business Media. This book was released on 2011-04-14 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scanning electr on microscopy (SEM) and x-ray microanalysis can produce magnified images and in situ chemical information from virtually any type of specimen. The two instruments generally operate in a high vacuum and a very dry environment in order to produce the high energy beam of electrons needed for imaging and analysis. With a few notable exceptions, most specimens destined for study in the SEM are poor conductors and composed of beam sensitive light elements containing variable amounts of water. In the SEM, the imaging system depends on the specimen being sufficiently electrically conductive to ensure that the bulk of the incoming electrons go to ground. The formation of the image depends on collecting the different signals that are scattered as a consequence of the high energy beam interacting with the sample. Backscattered electrons and secondary electrons are generated within the primary beam-sample interactive volume and are the two principal signals used to form images. The backscattered electron coefficient ( ? ) increases with increasing atomic number of the specimen, whereas the secondary electron coefficient ( ? ) is relatively insensitive to atomic number. This fundamental diff- ence in the two signals can have an important effect on the way samples may need to be prepared. The analytical system depends on collecting the x-ray photons that are generated within the sample as a consequence of interaction with the same high energy beam of primary electrons used to produce images.
Author :
Publisher : ASM International
ISBN 13 : 1615038507
Total Pages : 479 pages
Book Rating : 4.6/5 (15 download)
Download or read book ISTFA 2011 written by and published by ASM International. This book was released on 2011 with total page 479 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lars Linsen
Publisher : Springer
ISBN 13 : 3319245236
Total Pages : 350 pages
Book Rating : 4.3/5 (192 download)
Download or read book Visualization in Medicine and Life Sciences III written by Lars Linsen and published by Springer. This book was released on 2016-05-21 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book discusses novel visualization techniques driven by the needs in medicine and life sciences as well as new application areas and challenges for visualization within these fields. It presents ideas and concepts for visual analysis of data from scientific studies of living organs or to the delivery of healthcare. Target scientific domains include the entire field of biology at all scales - from genes and proteins to organs and populations - as well as interdisciplinary research based on technological advances such as bioinformatics, biomedicine, biochemistry, or biophysics. Moreover, they comprise the field of medicine and the application of science and technology to healthcare problems. This book does not only present basic research pushing the state of the art in the field of visualization, but it also documents the impact in the fields of medicine and life sciences.
