Lensless Holography Methods For Soft X Ray Resonant Coherent Imaging
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Lensless Holography Methods For Soft X Ray Resonant Coherent Imaging
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Author : Diling Zhu
language : en
Publisher: Stanford University
Release Date : 2010
Lensless Holography Methods For Soft X Ray Resonant Coherent Imaging written by Diling Zhu and has been published by Stanford University this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
The ability to interpret and inverse x-ray diffraction patterns from crystals has largely shaped our understanding of the structure of matter. However, structure determination of noncrystalline objects from their diffraction patterns is a much more difficult task. The dramatic increase in available coherent x-ray photon flux over the past decade has made possible a technique known as lensless coherent diffractive imaging (CDI), that addresses exactly this problem. The central question around CDI is the so-called phase problem: upon detection of the diffraction intensity, the phase information of the diffracted wave is inevitably lost. Generally, the phase problem is approached using iterative phase retrieval algorithms. Holographic methods, through interference with reference diffractions, encode the phase information directly inside the measured x-ray holograms, and are therefore able to avoid the stagnation and uniqueness problems commonly encountered by the iterative algorithms. This dissertation discusses two novel holographic methods for coherent lensless imaging using resonant soft x-rays. The first part focuses on generalizing the multiple-wavelength anomalous diffraction technique, a highly successful method for solving the crystal structures of biomacromolecules, into a multiple-wavelength holography technique for nanoscale resonant x-ray imaging. Using this method I show element specific reconstructions of nanoparticles and magnetization distribution in magnetic thin films with sub 50 nm resolution. The second part discusses progress in X-ray Fourier holography, an ultrafast lensless imaging platform that can be used with the upcoming x-ray free electron lasers. In particular, I will present experiments using two novel types of extended reference structures that bring the resolution beyond the precision of reference fabrication, previously regarded as the resolution limit for x-ray Fourier transform holography. Finally, future applications of holographic methods, especially experimental considerations for time-resolved studies of nanostructures using X-FELs, will be discussed.
Structural Dynamics With X Ray And Electron Scattering
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Author : Kasra Amini
language : en
Publisher: Royal Society of Chemistry
Release Date : 2023-12-20
Structural Dynamics With X Ray And Electron Scattering written by Kasra Amini and has been published by Royal Society of Chemistry this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-12-20 with Science categories.
Since the early 20th century, X-ray and electron scattering has provided a powerful means by which the location of atoms can be identified in gas-phase molecules and condensed matter with sub-atomic spatial resolution. Scattering techniques can also provide valuable observables of the fundamental properties of electrons in matter such as an electron’s spin and its energy. In recent years, significant technological developments in both X-ray and electron scattering have paved the way to time-resolved analogues capable of capturing real-time snapshots of transient structures undergoing a photochemical reaction. Structural Dynamics with X-ray and Electron Scattering is a two-part book that firstly introduces the fundamental background to scattering theory and photochemical phenomena of interest. The second part discusses the latest advances and research results from the application of ultrafast scattering techniques to imaging the structure and dynamics of gas-phase molecules and condensed matter. This book aims to provide a unifying platform for X-ray and electron scattering.
Alloy Physics
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Author : Wolfgang Pfeiler
language : en
Publisher: John Wiley & Sons
Release Date : 2008-01-08
Alloy Physics written by Wolfgang Pfeiler 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 2008-01-08 with Technology & Engineering categories.
Covering the latest research in alloy physics together with the underlying basic principles, this comprehensive book provides a sound understanding of the structural changes in metals and alloys -- ranging from plastic deformation, deformation dynamics and ordering kinetics right up to atom jump processes, first principle calculations and simulation techniques. Alongside fundamental topics, such as crystal defects, phase transformations and statistical thermodynamics, the team of international authors treats such hot areas as nano-size effects, interfaces, and spintronics, as well as technical applications of modern alloys, like data storage and recording, and the possibilities offered by materials design.
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,
X Rays In Nanoscience
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Author : Jinghua Guo
language : en
Publisher: John Wiley & Sons
Release Date : 2011-09-22
X Rays In Nanoscience written by Jinghua Guo 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 2011-09-22 with Science categories.
An up-to-date overview of the different x-ray based methods in the hot fields of nanoscience and nanotechnology, including methods for imaging nanomaterials, as well as for probing the electronic structure of nanostructured materials in order to investigate their different properties. Written by authors at one of the world's top facilities working with these methods, this monograph presents and discusses techniques and applications in the fields of x-ray scattering, spectroscopy and microscope imaging. The resulting systematic collection of these advanced tools will benefit graduate students, postdocs as well as professional researchers.
Handbook Of Nanophysics
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Author : Klaus D. Sattler
language : en
Publisher: CRC Press
Release Date : 2010-09-17
Handbook Of Nanophysics written by Klaus D. Sattler and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-09-17 with Science categories.
Covering the key theories, tools, and techniques of this dynamic field, Handbook of Nanophysics: Principles and Methods elucidates the general theoretical principles and measurements of nanoscale systems. Each peer-reviewed chapter contains a broad-based introduction and enhances understanding of the state-of-the-art scientific content through fund
Nanomagnetic Materials
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Author : Akinobu Yamaguchi
language : en
Publisher: Elsevier
Release Date : 2021-06-28
Nanomagnetic Materials written by Akinobu Yamaguchi and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-28 with Technology & Engineering categories.
Nanomagnetic Materials: Fabrication, Characterization and Application explores recent studies of conventional nanomagnetic materials in spintronics, data storage, magnetic sensors and biomedical applications. In addition, the book also reviews novel magnetic characteristics induced in two-dimensional materials, diamonds, and those induced by the artificial formation of lattice defect and heterojunction as novel nanomagnetic materials. Nanomagnetic materials are usually based on d- and f-electron systems. They are an important solution to the demand for higher density of information storage, arising from the emergence of novel technologies required for non-volatile memory systems. Advances in the understanding of magnetization dynamics and in the characteristics of nanoparticles or surface of nanomagnetic materials is resulting in greater expansion of applications of nanomagnetic materials, including in biotechnology, sensor devices, energy harvesting, and power generating systems. This book provides a cogent overview of the latest research on novel nanomagnetic materials, including spintronic nanomagnets, molecular nanomagnets, self-assembling magnetic nanomaterials, nanoparticles, multifunctional materials, and heterojunction-induced novel magnetism. - Explains manufacturing principles and process for nanomagnetic materials - Discusses physical and chemical properties and potential industrial applications, such as magnetic data storage, sensors, oscillator, permanent magnets, power generations, and biomedical applications - Assesses the major challenges of using magnetic nanomaterials on a broad scale
Lensless Fourier Transform Holography With Soft X Rays
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Author : William F. Schlotter
language : en
Publisher:
Release Date : 2007
Lensless Fourier Transform Holography With Soft X Rays written by William F. Schlotter 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.
X Ray Microscopy
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Author : Chris Jacobsen
language : en
Publisher: Cambridge University Press
Release Date : 2019-12-19
X Ray Microscopy written by Chris Jacobsen and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-12-19 with Medical categories.
A complete introduction to x-ray microscopy, covering optics, 3D and chemical imaging, lensless imaging, radiation damage, and applications.
Optics Letters
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Author :
language : en
Publisher:
Release Date : 2007
Optics Letters 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 Optics categories.