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Showing 1 to 20 of 146 for “"synchrotron radiation"”.
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Considerations in the design and operation of synchrotron radiation beamlines (including a discussion on the properties of synchrotron radiation
The X-ray optics of synchrotron radiation beamlines are considered in this paper. The characteristics of synchrotron radiation which make it the premier source of light for studies in many regions of the electromagnetic spectrum are given. A chapter is devoted to the collimating, focusing and …
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Studies of Coherent Synchrotron Radiation with the Discontinuous Galerkin Method
… We apply these routines to the study of coherent synchrotron radiation, an important topic in accelerator physics. We build upon the published computational work of T. Agoh and D. Zhou in solving Maxwell's equations in the frequency-domain using a paraxial approximation which reduces Maxwell's …
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Energy-domain synchrotron radiation Mössbauer source for physics under extreme conditions
… first part is dedicated to the development of a Synchrotron Mössbauer Source (SMS). This device allows energy domain Mossbauer spectroscopy to be performed on a sample under pressures above 100 GPa in laser heated diamond anvil cells. The second part is dedicated to studying the behavior of iron …
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Nondestructive Analysis of Advanced Aerospace Materials via Spectroscopy and Synchrotron Radiation
… environments. Characterization methods utilizing synchrotron X-Ray diffraction and spectroscopy can decrease the time required to determine an emerging material's readiness for application through intrinsic information on the material response and failure mechanisms. In this study, thermal barrier …
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Advanced Characterization of Nanocrystalline Materials by Synchrotron Radiation X-ray Diffraction
Synchrotron Radiation (SR) is one of the most powerful and versatile tools in the study nanomaterials, supporting a variety of analytical techniques. Among the possible spectroscopies, X-ray Diffraction (XRD) is especially suited to investigate materials at the nanoscale. However, to benefit of the …
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Strain and lattice distortion in semiconductor structures : a synchrotron radiation study
… aussergewöhnlichen Eigenschaften der an modernen Synchrotrons wie der ESRF (Grenoble) verfügbaren Röntgenstrahlung genutzt. Im ersten Teil der Arbeit werden Röntgen-Diffraktometrie und -Topographie zu einer Untersuchungsmethode kombiniert, mit der die makroskopische Krümmung von Halbleiter-Wafern …
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Effect of Synchrotron Radiation on the Advanced Fueled Field-Reversed Mirror
Made available in DSpace on 2017-07-06T18:48:30Z (GMT). No. of bitstreams: 3 Ho_Shu_K_MS.pdf: 26231750 bytes, checksum: f2c6e5dd7d3c786590812de8e1c706df (MD5) Ho_Shu_K_MS_ABS.pdf: 901041 bytes, checksum: 359b6c8b71adccd53a24c6e22f34528c (MD5) license.txt: 4813 bytes, checksum: …
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EXPLORING THE ROLE OF METAL VARIABILITY IN MOFS USING SYNCHROTRON RADIATION TECHNIQUES
… techniques, leveraging the capabilities of synchrotron-based diffraction and spectroscopic techniques, is employed and thoroughly described in each chapter, in order to deeply characterize the multi-metal character of the synthesized systems and to understand its impact over the properties …
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X-ray emission spectroscopic study of chloride solid compounds using synchrotron radiation
An x-ray emission spectrometer, developed at beamline 9.3.1 of the Advance Light Source (ALS), Lawrence Berkeley National Laboratory (LBNL), will allow performing measurements of x-ray emission from molecules and materials in gas, liquid and solid phases with energy, angle and polarization …
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Synchrotron radiation as a probe of chemical information using novel experimental configurations
Determination of chemical information with synchrotron radiation is an area of great scientific interest, and expanding the range of available techniques is the topic of this dissertation. The experimental methods described herein allows for a significant advancement of the availability of subtle …
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Synchrotron radiation-based characterization of GaN- based MQW structures and strongly correlated materials
The following dissertation applies synchrotron radiation-based characterization techniques to the fields of gallium nitrides, multiferroic manganites, and self-assembled nano-domain oxide films. These material systems were chosen due to their unusual properties and potential device applications, …
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The Use of Synchrotron Radiation to study Overgrowth Phenomena in InAs/GaAs Nanostructures
… phenomena in InAs/GaAs nanostructures using synchrotron radiation. Surface-sensitive grazing incidence small angle x-ray scattering (GISAXS) and grazing incidence diffraction (GID) are applied to study shape, strain, and interdiffusion in self-organised grown nanostructures. The technique of …
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In situ measurement of lattice strain using synchrotron radiation and a conical slit system
An experiment utilizing synchrotron radiation to measure lattice strain components from an aluminum-lithium sample during tensile loading is presented in detail. The conical slit system at Argonne National Laboratory’s Advanced Photon Source is utilized to isolate a single grain with an orientation …
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An analysis of synchrotron radiation from relativistic electrons in the Alcator C-Mod tokamak
… These so-called "runaway" electrons emit synchrotron radiation in their direction of motion due to their gyration in the background toroidal magnetic field, with values of B0 ranging from 2.7 to 7.8 T at the plasma axis. Two spectrometers, a wide-view camera, and a polarimeter are used to …
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Opto-mechanical design of synchrotron radiation-based far-infrared spectroscopic ellipsometer with strong magnetic-field
… is to present opto-mechanical design of a synchrotron radiation based far-infrared spectroscopic ellipsometer with a strong external magnetic-field capability. Since high magnetic field has enabled major breakthrough in science such instrument will be highly important to the field of …
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Characterization of thermally diffused bordie layers on AISI 1018 steel : residual stresses (by synchrotron radiation) and microhardness
Boronization is a thermal diffusion process in which needle like boride layers are formed at the surface of the metallic substrate. The boride coatings formed by the diffusion process have high hardness and strong ware and corrosion resistance. In order for coatings of this nature to be …
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