Development Of A New In Situ X Ray Diffraction Technique For Characterising Embedded Nanoparticles
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Development Of A New In Situ X Ray Diffraction Technique For Characterising Embedded Nanoparticles
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Author : Nadia Alexandrovna Zatsepin
language : en
Publisher:
Release Date : 2010
Development Of A New In Situ X Ray Diffraction Technique For Characterising Embedded Nanoparticles written by Nadia Alexandrovna Zatsepin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
A new non-destructive, high resolution X-ray diffraction technique is developed for the characterisation of ensembles of embedded nanoparticles. The method is based on reciprocal space mapping using an analyser crystal, making it sensitive to very low diffraction contrast between nanoparticles and their surrounds, and capable of encompassing a large volume, representative of the bulk material. The robustness of the technique is demonstrated by its lack of dependence on the X-ray coherence volume and optical stability. In addition, the use of a counting detector provides the necessary high dynamic range, and avoids the restrictions imposed by the finite pixelsize of a direct space detector and loss of information due to a beamstop. We review the most widely used techniques for imaging on the nanometre scale and highlight their unique capabilities. We then demonstrate that no single technique alone is sufficient for model independent, non-destructive, nanoscale characterisation of embedded nanoparticles in a bulk material sample. In situ and real-time investigations are imperative for the understanding, and ultimately the control of nanoparticle nucleation and growth in technologically important alloys, colloidal suspensions and various nanomaterial specimens. In this thesis we make significantprogress in addressing this crucial omission. We begin by presenting the particulars of scalar diffraction theory that enable us to mathematically describe kinematic diffraction from large ensembles of nanoparticles embedded in a matrix. The requirements of X-ray optics are then discussed, from the pertinent properties of synchrotron X-ray sources through high quality analysing and monochromating crystals. A method of simulating Fraunhofer diffraction and reciprocal space maps from a large, sparse ensemble of weakly diffracting Al-Cu nanoparticles is deduced from elementary coherence considerations. We then demonstrate that quantitative information regarding the nanoparticle ensemble polydispersity can be extracted from thereconstructions of nanoparticles from the Fraunhofer diffraction patterns of numerous such ensembles. In simulated reciprocal space maps we examine the effects of nanoparticle ensemble polydispersity and nanoparticle orientation with respect to the diffraction plane. Experimentally obtained reciprocal space maps of diffracted intensity from nanoparticles in an Al-Cu alloy are then presented, demonstrating the sensitivity of the technique to weakly diffracting embedded nanoparticles and their orientation relative to the diffraction plane. Here we also present the results of an iterative algorithm applied to reconstruct, with
Nanocomposites
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Author : Luigi Nicolais
language : en
Publisher: John Wiley & Sons
Release Date : 2013-12-03
Nanocomposites written by Luigi Nicolais 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 2013-12-03 with Science categories.
A Step-by-step guide to the synthesis and characterization of metal-polymer nanocomposites Polymer nanocomposites, polymers that are reinforced with nano-sized particles, provide enhanced mechanical, thermal, electrical, and barrier properties. Continued research and development of new polymer nanocomposites promises to provide enhanced materials to a broad range of industries, such as plastics, aerospace, automotive, electronics, packaging, and biomedical devices. Structured as a practical laboratory manual, this book enables readers to expertly synthesize and characterize metal-polymer nanocomposites by clearly setting forth the principles and techniques. Nanocomposites: In Situ Synthesis of Polymer-Embedded Nanostructures features contributions from an international team of materials science and nanotechnology experts. Chapters reflect the authors' critical review of the literature as well as their own laboratory experience working with polymer nanocomposites. The book begins with a detailed introduction to the science, properties, and applications of metal-polymer nanocomposites. Next, it covers such topics as: Morphological and topological concepts Phase separation and nanoparticle aggregation Methods for the synthesis of nanocomposites Morphological control Characterization techniques and data analysis methods Toxicity considerations High-resolution images of metal nanoparticles, created by transmission electron microscopy, are provided throughout the book. There are also plenty of process schemes and detailed drawings, helping readers better understand how to synthesize, characterize, and use these composite materials. A bibliography at the end of each chapter provides a gateway to original research papers and reviews in the field. With its focus on the practical steps of synthesis and characterization, Nanocomposites: In Situ Synthesis of Polymer-Embedded Nanostructures is recommended for both students and practitioners in nanotechnology, polymer science, and materials science and engineering.
Development Of X Ray Diffraction Imaging Techniques For The Quasi In Situ Characterization Of Crystal Defects
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Author : Simon Bode
language : en
Publisher:
Release Date : 2022*
Development Of X Ray Diffraction Imaging Techniques For The Quasi In Situ Characterization Of Crystal Defects written by Simon Bode and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022* with categories.
The Development Of An In Situ X Ray Diffraction Cell For Fischer Tropsch Catalyst Characterisation
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Author : Brett Clapham
language : en
Publisher:
Release Date : 2012
The Development Of An In Situ X Ray Diffraction Cell For Fischer Tropsch Catalyst Characterisation written by Brett Clapham and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
X Ray Diffraction At Elevated Temperatures
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Author : Deborah D. L. Chung
language : en
Publisher: Wiley-VCH
Release Date : 1993
X Ray Diffraction At Elevated Temperatures written by Deborah D. L. Chung and has been published by Wiley-VCH this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with X-rays categories.
A textbook for a graduate or undergraduate course in programs such as x-ray diffraction, materials characterization, and thermal analysis. Introduces the principles and instrumentation of x-ray diffraction at elevated temperatures, and its application to crystallography, materials science, chemical and electrical engineering, and other fields. Focusing on intense sources and position-sensitive detectors, describes in-situ phase identification, texture analysis, and grain-size measurement. Annotation copyright by Book News, Inc., Portland, OR
Recent Advances In X Ray Characterization Of Materials
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Author : Padmanabhan Krishna
language : en
Publisher: Pergamon
Release Date : 1989
Recent Advances In X Ray Characterization Of Materials written by Padmanabhan Krishna and has been published by Pergamon this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Science categories.
Development Of In Situ Synchrotron X Ray Powder Diffraction Techniques For Studies Of Catalytic Systems
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Author :
language : en
Publisher:
Release Date : 2007
Development Of In Situ Synchrotron X Ray Powder Diffraction Techniques For Studies Of Catalytic Systems written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
Studies Of Nanoparticle Formation And Battery Materials By In Situ X Ray Diffraction Methods
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Author :
language : en
Publisher:
Release Date : 2016
Studies Of Nanoparticle Formation And Battery Materials By In Situ X Ray Diffraction Methods written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Characterisation Of Nanomaterials By X Ray Diffraction Profile Analysis Using The Regularisation Technique
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Author : Vladyslav Piskarov
language : en
Publisher:
Release Date : 2008
Characterisation Of Nanomaterials By X Ray Diffraction Profile Analysis Using The Regularisation Technique written by Vladyslav Piskarov and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
23rd Annual Conference Of The German Crystallographic Society March 16 19 2015 G Ttingen Germany
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Author :
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2015-04-28
23rd Annual Conference Of The German Crystallographic Society March 16 19 2015 G Ttingen Germany written by and has been published by Walter de Gruyter GmbH & Co KG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-04-28 with Science categories.
Zeitschrift für Kristallographie. Supplement Volume 35 presents the complete Abstracts of all contributions to the 23rd Annual Conference of the German Crystallographic Society in Göttingen (Germany) 2015: - Plenary Talks - Microsymposia - Poster Session Supplement Series of Zeitschrift für Kristallographie publishes Abstracts of international conferences on the interdisciplinary field of crystallography.
