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Author: Winfried Schülke Publisher: Oxford University Press, USA ISBN: 0198510179 Category : Science Languages : en Pages : 606
Book Description
This work offers the first comprehensive review of experimental methods, theory, and successful applications of synchrotron radiation based on inelastic X-ray scattering spectroscopy, which enables the investigation of electron dynamics in condensed matter (correlated motion and excitation).
Author: Winfried Schülke Publisher: Oxford University Press, USA ISBN: 0198510179 Category : Science Languages : en Pages : 606
Book Description
This work offers the first comprehensive review of experimental methods, theory, and successful applications of synchrotron radiation based on inelastic X-ray scattering spectroscopy, which enables the investigation of electron dynamics in condensed matter (correlated motion and excitation).
Author: Winfried Schuelke Publisher: OUP Oxford ISBN: 0191523283 Category : Science Languages : en Pages : 608
Book Description
Knowledge of the dynamics of many-electron systems is of fundamental importance to all disciplines of condensed matter physics. A very effective access to electron dynamics is offered by inelastic X-ray scattering (IXS) spectroscopy. The double differential scattering cross section for IXS is directly related to the time-dependent two-particle density correlation function, and, for large momentum and energy transfer (Compton limit) to the electron momentum distribution. Moreover, resonant inelastic X-ray scattering (RIXS) enables the study of electron dynamics via electronic excitations in a very selective manner (e.g. selectively spin, crystal momentum, or symmetry), so that other methods are efficaciously complemented. The progress of IXS spectroscopy is intimately related to the growing range of applications of synchrotron radiation. The aim of the book is to provide the growing community of researchers with accounts of experimental methods, instrumentation, and data analysis of IXS, with representative examples of successful applications, and with the theoretical framework for interpretations of the measurements.
Author: Eberhard J. Jaeschke Publisher: Springer ISBN: 9783319143934 Category : Science Languages : en Pages : 0
Book Description
Hardly any other discovery of the nineteenth century did have such an impact on science and technology as Wilhelm Conrad Röntgen’s seminal find of the X-rays. X-ray tubes soon made their way as excellent instruments for numerous applications in medicine, biology, materials science and testing, chemistry and public security. Developing new radiation sources with higher brilliance and much extended spectral range resulted in stunning developments like the electron synchrotron and electron storage ring and the freeelectron laser. This handbook highlights these developments in fifty chapters. The reader is given not only an inside view of exciting science areas but also of design concepts for the most advanced light sources. The theory of synchrotron radiation and of the freeelectron laser, design examples and the technology basis are presented. The handbook presents advanced concepts like seeding and harmonic generation, the booming field of Terahertz radiation sources and upcoming brilliant light sources driven by laser-plasma accelerators. The applications of the most advanced light sources and the advent of nanobeams and fully coherent x-rays allow experiments from which scientists in the past could not even dream. Examples are the diffraction with nanometer resolution, imaging with a full 3D reconstruction of the object from a diffraction pattern, measuring the disorder in liquids with high spatial and temporal resolution. The 20th century was dedicated to the development and improvement of synchrotron light sources with an ever ongoing increase of brilliance. With ultrahigh brilliance sources, the 21st century will be the century of x-ray lasers and their applications. Thus, we are already close to the dream of condensed matter and biophysics: imaging single (macro)molecules and measuring their dynamics on the femtosecond timescale to produce movies with atomic resolution.
Author: Alessandro Cunsolo Publisher: World Scientific ISBN: 9813229500 Category : Science Languages : en Pages : 325
Book Description
Since its development toward the end of the past millennium, high-resolution Inelastic X-Ray Scattering (IXS) has substantially improved our knowledge of the collective dynamics of liquids at mesoscopic scales, that is, over distances and time-lapses approaching those typical of first neighboring atoms' interactions. However, despite the undoubted scientific relevance and the rapid evolution toward maturity, comprehensive monographs on this technique are not available. The primary purpose of this book is to partially fill this lack while providing a helpful reference for both mature scientists and less experienced researchers in the field.After a general introduction to the fundamental aspects of scattering measurements, the IXS cross-section is analytically derived, and the complementarity with Inelastic Neutron Scattering is discussed in detail.The remainder of the book reviews representative IXS studies on simple fluids focusing on topics as relevant as the dynamic crossover from the hydrodynamic to the kinetic regime, the onset of relaxation phenomena and related high-frequency viscoelasticity, the gradual emergence of quantum effects, the evidence of dynamic boundaries partitioning the supercritical domain, the prevalence of solid-like aspects in the high-frequency dynamics of fluids, and the dynamic fingerprints of the polymorphic nature of liquid aggregates.
Author: Alessandro Cunsolo Publisher: BoD – Books on Demand ISBN: 1789850517 Category : Science Languages : en Pages : 132
Book Description
This book illustrates a few exemplary scientific topics addressed through the use of two complementary x-ray scattering techniques: inelastic x-ray scattering and x-ray powder diffraction. These scattering methods are the focus of the two main sections of this book. These sections are subdivided into chapters discussing specific applications. The general aim of this volume is providing a concise overview of the opportunities disclosed by these two experimental methods, providing some guidance for scientists picking up this field and, hopefully, inspiring more mature scientists towards the achievement of new advances in this area.
Author: Publisher: ISBN: Category : Languages : en Pages : 19
Book Description
Use of inelastic x-ray scattering to study excitations in condensed matter systems is discussed with emphasis on complementarity with inelastic neutron scattering. In particular, studies of electronic excitations in simple metals are detailed. A long standing controversy on the role of crystalline long range order on electron dynamics at intermediate momentum transfers is resolved by comparison of response functions obtained in liquid an solid phase of Li, Na, and Al. They show that the overall shape of the response function is unchanged on melting, implying that it is not determined by the long range order of the ion cores. Conversely, orientationally independent fine structure disappears on melting and therefore must be attributed to band structure-induced transitions, not many-body effects as had previously been argued. At small q, the plasmon lifetime and dispersion remain unchanged on melting. Other experiments are also briefly reviewed.
Author: Michel van Veenendaal Publisher: Cambridge University Press ISBN: 1316239861 Category : Science Languages : en Pages : 247
Book Description
This comprehensive, self-contained guide to X-ray spectroscopy will equip you with everything you need to begin extracting the maximum amount of information available from X-ray spectra. Key topics such as the interaction between X-rays and matter, the basic theory of spectroscopy, and selection and sum rules, are introduced from the ground up, providing a solid theoretical grounding. The book also introduces core underlying concepts such as atomic structure, solid-state effects, the fundamentals of tensor algebra and group theory, many-body interactions, scattering theory, and response functions, placing spectroscopy within a broader conceptual framework, and encouraging a deep understanding of this essential theoretical background. Suitable for graduate students, researchers, materials scientists and optical engineers, this is the definitive guide to the theory behind this powerful and widely used technique.