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Author: David L Ederer Publisher: World Scientific ISBN: 9814547255 Category : Languages : en Pages : 248
Book Description
The Raman Emission by X-rays (REX-I) Workshop focused on Raman Scattering of x-rays mostly from Synchrotron Radiation Sources. The advent of new high brightness sources of x-ray radiation has given new impetus to this tantalizing technique that has offered ways of obtaining new insights into the atomic and electronic structure of solids and gases, but which has been limited by weak sources of excitation. In the last five years, Raman scattering by x-rays has been observed an ubiquitous phenomena. It has been applied to yield new information about the band structure of solids and about the electronic structure of atoms. It was the object of this workshop to identify and define key issues in this rapidly developing subfield of x-ray physics by gathering together a group of theorists and experimentalists, and by providing overlap between atomic and condensed matter physics. The workshop aimed to achieve this end by providing an environment to discuss the latest developments and to initiate cross fertilization in the difference areas.
Author: David L Ederer Publisher: World Scientific ISBN: 9814547255 Category : Languages : en Pages : 248
Book Description
The Raman Emission by X-rays (REX-I) Workshop focused on Raman Scattering of x-rays mostly from Synchrotron Radiation Sources. The advent of new high brightness sources of x-ray radiation has given new impetus to this tantalizing technique that has offered ways of obtaining new insights into the atomic and electronic structure of solids and gases, but which has been limited by weak sources of excitation. In the last five years, Raman scattering by x-rays has been observed an ubiquitous phenomena. It has been applied to yield new information about the band structure of solids and about the electronic structure of atoms. It was the object of this workshop to identify and define key issues in this rapidly developing subfield of x-ray physics by gathering together a group of theorists and experimentalists, and by providing overlap between atomic and condensed matter physics. The workshop aimed to achieve this end by providing an environment to discuss the latest developments and to initiate cross fertilization in the difference areas.
Author: Publisher: ISBN: Category : Languages : en Pages : 34
Book Description
Inelastic x-ray scattering and elastic x-ray scattering are fundamentally related processes. When the x-ray photon energy is near the ionization threshold for an inner shell, the inelastic channel is dominated by resonant x-ray Raman scattering. Studies of this emission not only illuminate the resonant scattering process in general, they also point to new opportunities for spectral studies of electronic structure using x-rays. Atoms in the form of a free gas provide an ideal target for testing the current theoretical understanding of resonant x-ray Raman scattering. In addition, x-ray scattering from molecular gases demonstrates the effect of bonding symmetry on the polarization and angular distribution of the scattered x-rays. Comparisons of experimental data with theory demonstrate both the successes and limitations of simple, single-electron interpretations of the scattering process.
Author: Khan Maaz Publisher: BoD – Books on Demand ISBN: 9535129074 Category : Science Languages : en Pages : 366
Book Description
Raman spectroscopy has a number of applications in various fields including material science, physics, chemistry, biology, geology, and medicine. This book illustrates necessary insight and guidance in the field of Raman spectroscopy with detailed figures and explanations. This presents deep understanding of new techniques from basic introduction to the advance level for scientists and engineers. The chapters cover all major aspects of Raman spectroscopy and its application in material characterization with special emphasis on both the theoretical and experimental aspects. This book is aimed to provide solid foundation of Raman spectroscopy to the students, scientists, and engineers working in various fields as mentioned above.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
A project at Stanford Linear Accelerator Center (SLAC) is currently underway for the building of a new multi-crystal x-ray spectrometer that will be used to probe the fundamental structures of light elements, including water, as well as 3d transition metals, such as metalloproteins, in dilute systems. Experimentation for determining the focal lengths for the prospective high-resolution, spherically-curved silicon (Si) and germanium (Ge) analyzers for the instrument and the energy resolutions at their respective focal points is described. The focal lengths of the Si and Ge analyzers being sampled were found by minimizing the focal size made from a diffused helium-neon (HeNe) gas laser operating at 632 nm (0.95 meV). Afterwards, the energy resolutions were determined by using synchrotron radiation (SR), in the range from 6-16 keV energies. The experiments were performed at Beamline 10-2 at the Stanford Synchrotron Radiation Laboratory (SSRL), a division of SLAC. This data, along with the energies of the incident beams, was used to determine which samples are most effective at focusing x-rays to the highest spatial and energy resolution. Sample Si (440)A, with a focal length of 1015.2 mm, had the best energy resolution. Furthermore, a new multi-crystal goniometer was tested and commissioned. As part of this work, the device was prealigned into Rowland geometry, in order to facilitate the process of finding a single high-energy resolution x-ray focus for all 7 analyzers.
Author: David L Ederer
Author: David L Ederer
Author: D. L. Ederer
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Author: Keith Alexander Nugent
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Author: Stanford University. Microwave Laboratory
Author: Khan Maaz
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Author: Keijo Hämäläinen
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