Investigations on Interfacial Dynamics with Ultrafast Electron Diffraction

Investigations on Interfacial Dynamics with Ultrafast Electron Diffraction
Author: Ryan A. Murdick
Publsiher: Unknown
Total Pages: 518
Release: 2009
Genre: Charge transfer
ISBN: MSU:31293030630655

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Quantum Dot Solar Cells

Quantum Dot Solar Cells
Author: Jiang Wu,Zhiming M. Wang
Publsiher: Springer Science & Business Media
Total Pages: 399
Release: 2013-09-28
Genre: Science
ISBN: 9781461481485

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The third generation of solar cells includes those based on semiconductor quantum dots. This sophisticated technology applies nanotechnology and quantum mechanics theory to enhance the performance of ordinary solar cells. Although a practical application of quantum dot solar cells has yet to be achieved, a large number of theoretical calculations and experimental studies have confirmed the potential for meeting the requirement for ultra-high conversion efficiency. In this book, high-profile scientists have contributed tutorial chapters that outline the methods used in and the results of various quantum dot solar cell designs, including quantum dot intermediate band solar cells, hot electron quantum dot solar cells, quantum-dot sensitized solar cells, colloidal quantum dot solar cells, hybrid polymer-quantum dot solar cells, and MEG quantum dot solar cells. Both theoretical and experimental approaches are described. Quantum Dot Solar Cells helps to connect the fundamental laws of physics and the chemistry of materials with advances in device design and performance. The book can be recommended for a broad audience of chemists, electrical engineers, and materials scientists, and is suitable for use in courses on materials and device design for advanced and future optoelectronics.

Electronically Induced Structure Transformations in Graphite Silver Studied Using Ultrafast Electron Crystallography

Electronically Induced Structure Transformations in Graphite   Silver Studied Using Ultrafast Electron Crystallography
Author: Ramani K. Raman
Publsiher: Unknown
Total Pages: 472
Release: 2010
Genre: Crystallography
ISBN: MSU:31293030638591

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4D Visualization of Matter

4D Visualization of Matter
Author: Ahmed H Zewail
Publsiher: World Scientific Publishing Company
Total Pages: 426
Release: 2014-09-12
Genre: Technology & Engineering
ISBN: 9781783265046

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Ever since the beginning of mankind's efforts to pursue scientific inquiry into the laws of nature, visualization of the very distant and the very small has been paramount. The examples are numerous. A century ago, the atom appeared mysterious, a “raisin or plum pie of no structure,” until it was visualized on the appropriate length and time scales. Similarly, with telescopic observations, a central dogma of the cosmos was changed and complexity yielded to simplicity of the heliocentric structure and motion in our solar system. For matter, in over a century of developments, major advances have been made to explore the inner microscopic structures and dynamics. These advances have benefited many fields of endeavor, but visualization was incomplete; it was limited either to the 3D spatial structure or to the 1D temporal evolution. However, in systems with myriads of atoms, 4D spatiotemporal visualization is essential for dissecting their complexity. The biological world is rich with examples, and many molecular diseases cannot be fully understood without such direct visualization, as, for example, in the case of Alzheimer's and Parkinson's. The same is true for phenomena in materials science, chemistry, and nanoscience. This anthology is an account of the collected works that have emerged over the past decade from Caltech. Through recent publications, the volume provides overviews of the principles, the electron-based techniques, and the applications made. Thanks to advances in imaging principles and technology, it is now possible with 4D electron microscopy to reach ten orders of magnitude improvement in time resolution while simultaneously conserving the atomic spatial resolution in visualization. This is certainly a long way from Robert Hooke's microscopy, which was recorded in his 1665 masterpiece Micrographia.

Advances in Imaging and Electron Physics

Advances in Imaging and Electron Physics
Author: Anonim
Publsiher: Academic Press
Total Pages: 342
Release: 2015-08-21
Genre: Computers
ISBN: 9780128025192

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Advances in Imaging & Electron Physics merges two long-running serials—Advances in Electronics & Electron Physics and Advances in Optical & 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, and 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, electron, 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

Structural Dynamics with X ray and Electron Scattering

Structural Dynamics with X ray and Electron Scattering
Author: Kasra Amini,Arnaud Rouzee,Marc J. J. Vrakking
Publsiher: Royal Society of Chemistry
Total Pages: 671
Release: 2023-12-20
Genre: Science
ISBN: 9781837671144

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4D Electron Microscopy

4D Electron Microscopy
Author: Ahmed H. Zewail,John Meurig Thomas
Publsiher: World Scientific
Total Pages: 359
Release: 2010
Genre: Science
ISBN: 9781848164000

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Structural phase transitions, mechanical deformations, and the embryonic stages of melting and crystallization are examples of phenomena that can now be imaged in unprecedented structural detail with high spatial resolution, and ten orders of magnitude as fast as hitherto. No monograph in existence attempts to cover the revolutionary dimensions that EM in its various modes of operation nowadays makes possible. The authors of this book chart these developments, and also compare the merits of coherent electron waves with those of synchrotron radiation. They judge it prudent to recall some important basic procedural and theoretical aspects of imaging and diffraction so that the reader may better comprehend the significance of the new vistas and applications now afoot. This book is not a vade mecum - numerous other texts are available for the practitioner for that purpose.

Reminiscences Of Ahmed H zewail Photons Electrons And What Else A Portrait From Close Range Remembrances Of His Group Members And Family

Reminiscences Of Ahmed H zewail  Photons  Electrons And What Else    A Portrait From Close Range  Remembrances Of His Group Members And Family
Author: Dongping Zhong,Abderrazzak Douhal,John Spencer Baskin
Publsiher: World Scientific
Total Pages: 428
Release: 2018-02-09
Genre: Science
ISBN: 9789813231559

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In this unique illustrated book, PhD students, postdoctoral researchers, senior visiting scholars, and staff describe their personal experiences in working with the late Prof. Ahmed H. Zewail at Caltech. Their reminiscences provide snapshots of their rich interactions, reflecting the great scientific achievements, as well as the human and humorous sides of Ahmed H. Zewail.The contributors tell us their stories covering a period of forty years, beginning from the time of Zewail's arrival at Caltech in 1976. Some of them cover the time when Zewail was starting his pioneering work on femtochemistry at the end of 80's, while others relate events long after he was awarded the Nobel Prize in Chemistry (1999) and had embarked on a new career in ultrafast electron imaging. The aims and scope of this book is to provide both scientists and non-scientists descriptions of the experiences of scientists in the early or mature stages of their careers when interacting with one of the greatest scientists of the 20th century, from developing the field of femtochemistry to pioneering ultrafast electron diffraction and imaging technology. The personal dimension of Zewail's leadership is reflected in all the contributions, and highlighted by special tributes from two of his children.The scientific and anecdotal stories recounted in the book give a rare view of experiences in shaping science. The reader will get firsthand accounts of how a Nobel Prize winner interacted daily with his co-workers to develop the laser-based science and technology for which he was internationally recognized. The recounted experiences may serve as a basis for scientists developing their own research, tutoring students, and supervising postdoctoral researchers.