4D electron microscopy imaging in space and time
4D electron microscopy: imaging in space and time
Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: Zewail, Ahmed H. (VerfasserIn)
Format: Elektronisch E-Book
Sprache:English
Veröffentlicht: London Imperial College Press c2010
Schlagworte:
NATURE / Reference
SCIENCE / Life Sciences / General
SCIENCE / Life Sciences / Biology
Elektronenmikroskopie
Vierdimensionaler Raum
Electron microscopy
Hyperspace
Space and time
Three-dimensional imaging
Online-Zugang:FAW01
FAW02
Volltext
Beschreibung:Includes bibliographical references
1. Historical perspectives : from camera obscura to 4D imaging -- 2. Historical perspectives : from camera obscura to 4D imaging. 2.1. Coherence -- a simplified prelude. 2.2. Optical coherence and decoherence. 2.3. Coherence in diffraction. 2.4. Coherence and diffraction in crystallography. 2.5. Coherence in imaging. 2.6. Instrumental factors limiting coherence -- 3. From 2D to 3D structural imaging : salient concepts. 3.1. 2D and 3D imaging. 3.2. Electron crystallography : combining diffraction and imaging. 3.3. High-resolution scanning transmission electron microscopy. 3.4. Biological and other organic materials. 3.5. Electron-energy-loss spectroscopy and imaging by energy-filtered TEM. 3.6. Electron holography --
- 4. Applications of 2D and 3D imaging and related techniques. 4.1. Introduction. 4.2. Real-space crystallography via HRTEM and HRSTEM. 4.3. Electron tomography. 4.4. Electron holography. 4.5. Electron crystallography. 4.6. Electron-energy-loss spectroscopy and imaging. 4.7. Atomic resolution in an environmental TEM -- 5. 4D electron imaging in space and time : principles. 5.1. Atomic-scale resolution in time. 5.2. From stop-motion photography to ultrafast imaging. 5.3. Single-electron imaging. 5.4. 4D microscopy : brightness, coherence and degeneracy -- 6. 4D ultrafast electron imaging : developments and applications. 6.1. Developments at Caltech -- a brief history. 6.2. Instruments and techniques. 6.3. Structure, morphology, and mechanics. 6.4. Selected other applications. 6.5. 4D convergent beam UEM : nanodiffraction. 6.6. 4D near-field UEM : nanostructures and plasmonics --
- 7. The electron microscope and the synchrotron : a comparison. 7.1. Introduction. 7.2. Transmission x-ray microscopy and x-ray microscopic tomography. 7.3. Coherent x-ray diffraction imaging. 7.4. Extraction of structures from powdered specimens. 7.5. Studies of species in solution. 7.6. Laue crystallography : static and dynamic. 7.7. The perennial problem of radiation damage. 7.8. Summarizing assessment -- 8. 4D visualization : past, present, and future. 8.1. Visualization and complexity. 8.2. Complexity paradox : coherence and creative chaos. 8.3. From 2(3)D to 4D microscopy. 8.4. Emerging developments
The modern electron microscope, as a result of recent revolutionary developments and many evolutionary ones, now yields a wealth of quantitative knowledge pertaining to structure, dynamics, and function barely matched by any other single scientific instrument. It is also poised to contribute much new spatially-resolved and time-resolved insights of central importance in the exploration of most aspects of condensed matter, ranging from the physical to the biological sciences. Whereas in all conventional EM methods, imaging, diffraction, and chemical analyses have been conducted in a static - time-integrated - manner, now it has become possible to unite the time domain with the spatial one, thereby creating four-dimensional (4D) electron microscopy. This advance is based on the fundamental concept of timed, coherent single-electron packets, or electron pulses, which are liberated with femtosecond durations.
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.
It is instead an in-depth exposé of the paradigm concepts and the developed techniques that can now be executed to gain new knowledge in the entire domain of biological and physical science, and in the four dimensions of space and time
Beschreibung:1 Online-Ressource (xii, 341 p.)
ISBN:1848163916
9781848163911

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