Transmission Electron Microscopy Characterization Of Nanomaterials

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Transmission Electron Microscopy Characterization Of Nanomaterials

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Author : Challa S.S.R. Kumar
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-12-09

Transmission Electron Microscopy Characterization Of Nanomaterials written by Challa S.S.R. Kumar 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 2013-12-09 with Science categories.

Third volume of a 40volume series on nanoscience and nanotechnology, edited by the renowned scientist Challa S.S.R. Kumar. This handbook gives a comprehensive overview about Transmission electron microscopy characterization of nanomaterials. Modern applications and state-of-the-art techniques are covered and make this volume an essential reading for research scientists in academia and industry.

In Situ Transmission Electron Microscopy Characterization Of Nanomaterials

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Author : Joon Hwan Lee
language : en
Publisher:
Release Date : 2013

In Situ Transmission Electron Microscopy Characterization Of Nanomaterials written by Joon Hwan Lee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.

With the recent development of in situ transmission electron microscopy (TEM) characterization techniques, the real time study of property-structure correlations in nanomaterials becomes possible. This dissertation reports the direct observations of deformation behavior of Al2O3-ZrO2-MgAl2O4 (AZM) bulk ceramic nanocomposites, strengthening mechanism of twins in YBa2Cu3O7−x (YBCO) thin film, work hardening event in nanocrystalline nickel and deformation of 2wt% Al doped ZnO (AZO) thin film with nanorod structures using the in situ TEM nanoindentation tool. The combined in situ movies with quantitative loading-unloading curves reveal the deformation mechanism of the above nanomaterial systems. At room temperature, in situ dynamic deformation studies show that the AZM nanocomposites undergo the deformation mainly through the grain-boundary sliding and rotation of small grains, i.e., ZrO2 grains, and some of the large grains, i.e., MgAl2O4 grains. We observed both plastic and elastic deformations in different sample regions in these multi-phase ceramic nanocomposites at room temperature. Both ex situ (conventional) and in situ nanoindentation were conducted to reveal the deformation of YBCO films from the directions perpendicular and parallel to the twin interfaces. Hardness measured perpendicular to twin interfaces is ~50% and 40% higher than that measured parallel to twin interfaces, by ex situ and in situ, respectively. By using an in situ nanoindentation tool inside TEM, dynamic work hardening event in nanocrystalline nickel was directly observed. During stain hardening stage, abundant Lomer-Cottrell (L-C) locks formed both within nanograins and against twin boundaries. Two major mechanisms were identified during interactions between L-C locks and twin boundaries. Quantitative nanoindentation experiments recorded during in situ experiments show an increase of yield strength from 1.64 to 2.29 GPa during multiple loading-unloading cycles. In situ TEM nanoindentation has been conducted to explore the size dependent deformation behavior of two different types (type I: ~ 0.51 of width/length ratio and type II: ~ 088 ratio) of AZO nanorods. During the indentation on type I nanord structure, annihilation of defects has been observed which is caused by limitation of the defect activities by relatively small size of the width. On the other hand, type II nanorod shows dislocation activities which enhanced the grain rotation under the external force applied on more isotropic direction through type II nanorod. The electronic version of this dissertation is accessible from http://hdl.handle.net/1969.1/148150

Advanced Electron Microscopy Characterization Of Nanomaterials For Catalysis

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Author :
language : en
Publisher:
Release Date : 2017

Advanced Electron Microscopy Characterization Of Nanomaterials For Catalysis written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.

Transmission electron microscopy (TEM) has become one of the most powerful techniques in the fields of material science, inorganic chemistry and nanotechnology. In terms of resolutions, advanced TEM may reach a high spatial resolution of 0.05 nm, a high energy-resolution of 7 meV. In addition, in situ TEM can help researcher to image the process happened within 1 ms. This paper reviews the recent technical approaches of applying advanced TEM characterization on nanomaterials for catalysis. The text is organized according to the demanded information of nanocrystals from the perspective of application: for example, size, composition, phase, strain, and morphology. The electron beam induced effect and in situ TEM are also introduced. As a result, I hope this review can help the scientists in related fields to take advantage of advanced TEM to their own researches.

Characterization Of Nanomaterials With Transmission Electron Microscopy

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Author : Dan Zhou
language : en
Publisher:
Release Date : 2012

Characterization Of Nanomaterials With Transmission Electron Microscopy written by Dan Zhou 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.

Characterization Of Nanomaterials By Transmission Electron Microscopy And Related Techniques

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Author : Xiaoxia Gao
language : en
Publisher:
Release Date : 2005

Characterization Of Nanomaterials By Transmission Electron Microscopy And Related Techniques written by Xiaoxia Gao and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Nanostructured materials categories.

Characterization Of Nanomaterials In Complex Environmental And Biological Media

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Author :
language : en
Publisher: Elsevier
Release Date : 2015-06-01

Characterization Of Nanomaterials In Complex Environmental And Biological Media written by and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-06-01 with Technology & Engineering categories.

Characterization of Nanomaterials in Complex Environmental and Biological Media covers the novel properties of nanomaterials and their applications to consumer products and industrial processes. The book fills the growing gap in this challenging area, bringing together disparate strands in chemistry, physics, biology, and other relevant disciplines. It provides an overview on nanotechnology, nanomaterials, nano(eco)toxicology, and nanomaterial characterization, focusing on the characterization of a range of nanomaterial physicochemical properties of relevance to environmental and toxicological studies and their available analytical techniques. Readers will find a multidisciplinary approach that provides highly skilled scientists, engineers, and technicians with the tools they need to understand and interpret complicated sets of data obtained through sophisticated analytical techniques. - Addresses the requirements, challenges, and solutions for nanomaterial characterization in environmentally complex media - Focuses on technique limitations, appropriate data collection, data interpretation, and analysis - Aids in understanding and comparing nanomaterial characterization data reported in the literature using different analytical tools - Includes case studies of characterization relevant complex media to enhance understanding

Nanomaterials And Nanotechnology

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Author : Shengjie Peng
language : en
Publisher: Springer Nature
Release Date : 2024-10-03

Nanomaterials And Nanotechnology written by Shengjie Peng and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-10-03 with Technology & Engineering categories.

This book first systematically introduces the development history, research content, and development trend of nanomaterials and then describes the preparation methods, characterization methods, physical and chemical properties, and mechanical properties of nanomaterials, so that students can have an overall understanding and understanding of nanomaterials. On this basis, the application of nanomaterials and carbon nanomaterials which are widely studied at present is taught. Finally, the latest research progress of nanomaterials is introduced. The book lists some practical examples as far as possible to make students easy to understand and master.

Advances In Analytical Techniques For Forensic Investigation

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Author : Priyanka Chhabra
language : en
Publisher: John Wiley & Sons
Release Date : 2024-08-06

Advances In Analytical Techniques For Forensic Investigation written by Priyanka Chhabra 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 2024-08-06 with Medical categories.

This book is essential for anyone seeking to understand and apply the latest analytical techniques in forensic investigation, saving time, materials, energy, and manpower by providing guidance on the most appropriate techniques for different types of investigations. Advances in Analytical Techniques for Forensic Investigation is aimed to describe the applicability of different types of analytical techniques used for the forensic investigation, including FT-IR, chromatography, mass spectroscopy, NMR spectroscopy, atomic absorption spectroscopy, UV- vis spectroscopy, etc. This book will focus on current and emerging developments in the latest analytical techniques and methods used in the forensic investigation and sample analysis of various physical, chemical, and biological samples in order to facilitate the smooth conduction of justice.

Nanomaterials

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Author : K.T. Ramesh
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-06-12

Nanomaterials written by K.T. Ramesh 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 2009-06-12 with Science categories.

This book grew out of my desire to understand the mechanics of nanomaterials, and to be able to rationalize in my own mind the variety of topics on which the people around me were doing research at the time. The ?eld of nanomaterials has been growing rapidly since the early 1990s. I- tially, the ?eld was populated mostly by researchers working in the ?elds of synt- sis and processing. These scientists were able to make new materials much faster than the rest of us could develop ways of looking at them (or understanding them). However, a con?uence of interests and capabilities in the 1990s led to the exp- sive growth of papers in the characterization and modeling parts of the ?eld. That con?uence came from three primary directions: the rapid growth in our ability to make nanomaterials, a relatively newfound ability to characterize the nanomate- als at the appropriate length and time scales, and the rapid growth in our ability to model nanomaterials at atomistic and molecular scales. Simultaneously, the commercial potential of nanotechnology has become app- ent to most high-technology industries, as well as to some industries that are tra- tionally not viewed as high-technology (such as textiles). Much of the rapid growth came through the inventions of physicists and chemists who were able to develop nanotechnology products (nanomaterials) through a dizzying array of routes, and who began to interface directly with biological entities at the nanometer scale. That growth continues unabated.

Environmental Applications Of Nanomaterials

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Author : Glen E. Fryxell
language : en
Publisher: Imperial College Press
Release Date : 2007

Environmental Applications Of Nanomaterials written by Glen E. Fryxell and has been published by Imperial College Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Technology & Engineering categories.

This volume is concerned with functional nanomaterials: materials containing specific, predictable nanostructure whose chemical composition or interfacial structure enable them to perform a specific job ? destroy, sequester or detect some material that constitutes an environmental threat. Nanomaterials have a number of features that make them ideally suited for this job: high surface area, high reactivity, easy dispersability, and rapid diffusion. The purpose of this book is to showcase how these features can be tailored to address some of the environmental remediation and sensing/detection problems faced today. The leading researchers contributing to this volume paint a picture of diverse synthetic strategies, structures, materials and methods. The book is organized into sections on nanoparticle-based remediation strategies, nanostructured inorganic materials (such as layered materials like the apatites), nanostructured organic/inorganic hybrid materials, and the use of nanomaterials to enhance the performance of sensors. The chemistries captured by the contributors form a rich and colorful tapestry.