Relevant bibliographies by topics / Time-resolved in situ X-ray diffraction

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Time-resolved in situ X-ray diffraction'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Time-resolved in situ X-ray diffraction"

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Kamminga, Machteld E., Simon J. Cassidy, Partha P. Jana, Mahmoud Elgaml, Nicola D. Kelly, and Simon J. Clarke. "Intercalates of Bi2Se3 studied in situ by time-resolved powder X-ray diffraction and neutron diffraction." Dalton Transactions 50, no. 33 (2021): 11376–79. http://dx.doi.org/10.1039/d1dt00960e.

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O’Hare, Dermot, John S. O. Evans, Andrew Fogg, and Stephen O’Brien. "Time-resolved, in situ X-ray diffraction studies of intercalation in lamellar hosts." Polyhedron 19, no. 3 (February 2000): 297–305. http://dx.doi.org/10.1016/s0277-5387(99)00359-9.

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Rau, J. V., V. Rossi Albertini, N. S. Chilingarov, S. Colonna, and U. Anselmi Tamburini. "In situ time-resolved X-ray diffraction study of manganese trifluoride thermal decomposition." Journal of Fluorine Chemistry 108, no. 2 (May 2001): 253–56. http://dx.doi.org/10.1016/s0022-1139(01)00368-2.

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Forster, K. M., J. P. Formica, J. T. Richardson, and D. Luss. "Solid-State Reaction Kinetics Determination via in Situ Time-Resolved X-Ray Diffraction." Journal of Solid State Chemistry 108, no. 1 (January 1994): 152–57. http://dx.doi.org/10.1006/jssc.1994.1023.

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Orikasa, Yuki, Takehiro Maeda, Yukinori Koyama, Taketoshi Minato, Haruno Murayama, Katsutoshi Fukuda, Hajime Tanida, et al. "Phase Transition Analysis between LiFePO4and FePO4by In-Situ Time-Resolved X-ray Absorption and X-ray Diffraction." Journal of The Electrochemical Society 160, no. 5 (2013): A3061—A3065. http://dx.doi.org/10.1149/2.012305jes.

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Vamvakeros, Antonios, Simon D. M. Jacques, Marco Di Michiel, Pierre Senecal, Vesna Middelkoop, Robert J. Cernik, and Andrew M. Beale. "Interlaced X-ray diffraction computed tomography." Journal of Applied Crystallography 49, no. 2 (March 1, 2016): 485–96. http://dx.doi.org/10.1107/s160057671600131x.

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An X-ray diffraction computed tomography data-collection strategy that allows, post experiment, a choice between temporal and spatial resolution is reported. This strategy enables time-resolved studies on comparatively short timescales, or alternatively allows for improved spatial resolution if the system under study, or components within it, appear to be unchanging. The application of the method for studying an Mn–Na–W/SiO2 fixed-bed reactor in situ is demonstrated. Additionally, the opportunities to improve the data-collection strategy further, enabling post-collection tuning between statistical, temporal and spatial resolutions, are discussed. In principle, the interlaced scanning approach can also be applied to other pencil-beam tomographic techniques, like X-ray fluorescence computed tomography, X-ray absorption fine structure computed tomography, pair distribution function computed tomography and tomographic scanning transmission X-ray microscopy.
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YONEMURA, Mitsuharu. "In-situ Observation of Weld Solidification using Two-dimensional Time-resolved X-ray Diffraction." JOURNAL OF THE JAPAN WELDING SOCIETY 81, no. 7 (2012): 572–76. http://dx.doi.org/10.2207/jjws.81.572.

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Capitán, M. J., N. Thouin, and G. Rostaing. "A high temperature furnace for in situ and time-resolved x-ray diffraction studies." Review of Scientific Instruments 70, no. 5 (May 1999): 2248–52. http://dx.doi.org/10.1063/1.1149747.

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Kikuma, Jun, Masamichi Tsunashima, Tetsuji Ishikawa, Shin-Ya Matsuno, Akihiro Ogawa, Kunio Matsui, and Masugu Sato. "In Situ Time-Resolved X-Ray Diffraction of Tobermorite Formation Process Under Autoclave Condition." Journal of the American Ceramic Society 93, no. 9 (April 12, 2010): 2667–74. http://dx.doi.org/10.1111/j.1551-2916.2010.03815.x.

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El Osta, Racha, Mark Feyand, Norbert Stock, Franck Millange, and Richard I. Walton. "Crystallisation Kinetics of Metal Organic Frameworks From in situ Time-Resolved X-ray Diffraction." Powder Diffraction 28, S2 (September 2013): S256—S275. http://dx.doi.org/10.1017/s0885715613000997.

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A time-resolved powder diffraction study of the crystallisation of porous metal organic framework materials with the CPO-27 structure ([M2(dhtp)(H2O)2]·8H2O where, dhtp=2,5-dioxoterephthalate) using the energy dispersive X-ray diffraction method is described. Crystallisation under solvothermal conditions is performed between 70 - 110 °C from clear solutions of metal salts (M=Co2+ or Ni2+) and 2,5-dihydroxyterephthalic acid in a mixture of THF-water in sealed reaction vessels, using both conventional and microwave heating. Integration of Bragg peak areas with time provides accurate crystallisation curves, which are modelled using the method of Gualtieri to determine rate constants for nucleation and for growth and then, by Arrhenius analysis, activation energies. Crystallisation is determined to be one-dimensional, consistent with the elongated morphology of the crystals produced in these reactions. With conventional heating the Co-containing CPO-27 crystallises more rapidly than the isostructural Ni-containing analogue and analysis of the kinetic parameters would suggest a complex multi-step crystallisation process. The effect of microwave heating is upon activation energies: the values for both nucleation and for crystal growth are lowered compared to reactions using conventional heating.
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Dissertations / Theses on the topic "Time-resolved in situ X-ray diffraction"

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Woolsey, Nigel Charles. "Time resolved, in situ, X-ray diffraction from laser shocked solids." Thesis, University of Oxford, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386774.

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Borkiewicz, Olaf J. "Formation of Precursor Calcium Phosphate Phases During Crystal Growth of Apatite and Their Role on the Sequestration of Heavy Metals and Radionuclides." Miami University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=miami1292008822.

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Hoskins, Brooke Kiera. "Skeletal muscle contraction : time-resolved x-ray diffraction and mechanical studies." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.298654.

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Spiers, Hayley Ileana. "Time resolved x-ray diffraction and thermal imaging studies of magnesium zinc ferrites." Thesis, University College London (University of London), 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.415415.

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Loveridge, Andrew. "Quantitative analysis of shock propagation in crystals by use of time resolved x-ray diffraction." Thesis, University of Oxford, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.249492.

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Bingham, Suzanne J. "Time-resolved X-ray diffraction studies of poly (ethylene terephthalate) during uniaxial and biaxial deformation." Thesis, Keele University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.311124.

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Denny, R. C. "Time-resolved X-ray fibre diffraction studies of conformational transitions in the DNA double-helix." Thesis, Keele University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.293512.

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Gonzalez, Vallejo Isabel. "Study of the structural dynamics of phase transitions using time resolved electron and X-ray diffraction." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS496.

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L'application d'une perturbation externe à certains matériaux (tels que la température, la pression ou la lumière) provoque souvent l'émergence de nouvelles propriétés macroscopiques dont l'origine se situe au niveau atomique. Par conséquent, une étude détaillée de la dynamique atomique devient essentielle pour la compréhension de processus tels que les transformations chimiques ou les transitions de phase. Dans le cas particulier des transitions de phase structurales, la symétrie du cristal est soumise à une transformation entre deux états différents à une valeur critique. Les échelles de temps typiques de la dynamique structurale sont de l'ordre de quelques centaines de femtosecondes à plusieurs picosecondes. Le développement des impulsions laser femtosecondes a permis aux chercheurs d'accéder aux échelles de temps nécessaires pour explorer la dynamique structurale ultra-rapide. Plus précisément, la diffraction résolue en temps s'est révélée être une technique idéale pour suivre et dévoiler les voies hors équilibre suivies par le réseau après une courte impulsion laser. Cette thèse présente des études expérimentales réalisées par des techniques de diffraction d'électrons et de rayons X résolue en temps sur deux transitions de phase structurelles différentes. Dans une première partie, nous démontrons les capacités du montage expérimental de diffraction d'électrons ultra-rapide (UED) développé au Laboratoire d'Optique Appliquée. Nos résultats expérimentaux réalisés sur des échantillons monocristallins de haute qualité sont présentés ainsi qu'une étude quantitative des implications des effets de diffraction dynamique dans les expériences UED. Dans une deuxième partie, nous présentons un ensemble d'expériences de diffraction d'électrons pompe-sonde réalisée sur GdTe₃, un composé appartenant à la famille des Tritellurides de terres rares qui présente un état d'onde de densité de charge. L'arrivée d'une excitation optique déclenche la transition de phase de manière non thermique. La dynamique de relaxation est caractérisée par un ralentissement qui augmente avec la fluence incidente ainsi qu'avec la température initiale de l'échantillon. Ces résultats éclairent les interprétations controversées actuelles concernant l’ émergence de défauts topologiques photo-induits.Dans une troisième partie, nous présentons des expériences de diffraction des rayons X en temps résolu réalisées à la ligne CRISTAL du synchrotron SOLEIL. Dans ce cas, nous avons étudié le composé A15 Nb₃Sn, qui présente une transition de phase d'une symétrie cubique à une symétrie tétragonale à l'équilibre thermique. Les résultats de notre expérience pompe-sonde mettent en évidence une réponse différente du réseau par rapport à la transition d’ équilibre thermique, ce qui encourage les futures recherches sur la dynamique structural de ce matériau
The application of an external perturbation in certain materials (such as temperature, pressure or light) often gives rise to the emergence of new macroscopic properties with their origin at the atomic level. Therefore, a detailed study of the atomic dynamics becomes essential to the understanding of processes such as chemical transformations or phase transitions. In the particular case of structural phase transitions, the symmetry of the crystal undergoes a transformation between two different states at a given critical value. The typical time scales of the structural dynamics occur on the order of few hundreds of femtoseconds to several picoseconds. The development of femtosecond laser pulses has enabled scientists to access the required time scales to explore the ultrafast dynamics of the lattice structure in the relevant time scales. More precisely, time-resolved diffraction has proven to be an ideal technique to track and unveil the out-of-equilibrium pathways followed by the lattice after a short laser pulse.This thesis presents experimental studies performed by time-resolved electron and X-ray diffraction techniques on two different structural phase transitions. In a first part, we demonstrate the capabilities of the ultrafast electron diffraction (UED) experimental setup developed at Laboratoire d’Optique Apliquée. Our UED experimental results performed on high quality single crystal samples are presented along with a quantitative study of the implications of dynamical diffraction effects in UED experiments. In a second part, we present a set of pump-probe electron diffraction experiments performed on GdTe₃, a compound belonging to the rare-earth Tritellurides family which presents a charge density wave state. The arrival of an optical excitation triggers the phase transition non-thermally with the out-of-equilibrium relaxation dynamics of the charge density wave state characterized by slowing down that increases with incident fluence as well as with initial sample temperature. These results shed more light on current controversial interpretations involving the emergence of photoinduced topological defects. In a third part, we present time resolved X-ray diffraction experiments performed at CRISTAL beamline at SOLEIL synchrotron. In this case we have studied the A15 compound Nb₃Sn, which displays a displacive phase transition evolving from cubic to tetragonal symmetry at thermal equilibrium. Our pump-probe results present evidence of a different lattice response with respect to the thermal equilibrium transition, encouragingf uture investigations on the dynamics of this material
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Trabant, Christoph. "Ultrafast photoinduced phase transitions in complex materials probed by time-resolved resonant soft x-ray diffraction." Phd thesis, Universität Potsdam, 2014. http://opus.kobv.de/ubp/volltexte/2014/7137/.

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In processing and data storage mainly ferromagnetic (FM) materials are being used. Approaching physical limits, new concepts have to be found for faster, smaller switches, for higher data densities and more energy efficiency. Some of the discussed new concepts involve the material classes of correlated oxides and materials with antiferromagnetic coupling. Their applicability depends critically on their switching behavior, i.e., how fast and how energy efficient material properties can be manipulated. This thesis presents investigations of ultrafast non-equilibrium phase transitions on such new materials. In transition metal oxides (TMOs) the coupling of different degrees of freedom and resulting low energy excitation spectrum often result in spectacular changes of macroscopic properties (colossal magneto resistance, superconductivity, metal-to-insulator transitions) often accompanied by nanoscale order of spins, charges, orbital occupation and by lattice distortions, which make these material attractive. Magnetite served as a prototype for functional TMOs showing a metal-to-insulator-transition (MIT) at T = 123 K. By probing the charge and orbital order as well as the structure after an optical excitation we found that the electronic order and the structural distortion, characteristics of the insulating phase in thermal equilibrium, are destroyed within the experimental resolution of 300 fs. The MIT itself occurs on a 1.5 ps timescale. It shows that MITs in functional materials are several thousand times faster than switching processes in semiconductors. Recently ferrimagnetic and antiferromagnetic (AFM) materials have become interesting. It was shown in ferrimagnetic GdFeCo, that the transfer of angular momentum between two opposed FM subsystems with different time constants leads to a switching of the magnetization after laser pulse excitation. In addition it was theoretically predicted that demagnetization dynamics in AFM should occur faster than in FM materials as no net angular momentum has to be transferred out of the spin system. We investigated two different AFM materials in order to learn more about their ultrafast dynamics. In Ho, a metallic AFM below T ≈ 130 K, we found that the AFM Ho can not only be faster but also ten times more energy efficiently destroyed as order in FM comparable metals. In EuTe, an AFM semiconductor below T ≈ 10 K, we compared the loss of magnetization and laser-induced structural distortion in one and the same experiment. Our experiment shows that they are effectively disentangled. An exception is an ultrafast release of lattice dynamics, which we assign to the release of magnetostriction. The results presented here were obtained with time-resolved resonant soft x-ray diffraction at the Femtoslicing source of the Helmholtz-Zentrum Berlin and at the free-electron laser in Stanford (LCLS). In addition the development and setup of a new UHV-diffractometer for these experiments will be reported.
In der Datenspeichertechnologie werden bisher hauptsächlich ferromagnetische Materialien eingesetzt. Da mit diesen aber physikalische Grenzen erreicht werden, werden neue Konzepte gesucht, um schnellere und kleinere Schalter, größere Datendichten und eine höherere Energieeffizienz zu erzeugen. Unter den diskutierten Materialklassen finden sich komplexen Übergangsmetalloxide und Materialien mit antiferromagnetischer Kopplung. Die Anwendbarkeit solcher Materialien hängt stark davon ab, wie schnell sich deren Eigenschaften verändern lassen und wieviel Energie dafür eingesetzt werden muss. Die vorliegende Arbeit beschäftigt sich mit ultraschnellen, Nicht-Gleichgewicht-Phasenübergängen genau in solchen Materialien. In Übergangsmetalloxiden führt die enge Kopplung zwischen den unterschiedlichen Freiheitsgraden zu einem effektiven niederenergetischen Anregungsspektrum. Diese Anregungen sind oft verknüpft mit spektakulären makroskopischen Eigenschaften, wie z.B. dem kolossalen Magnetowiderstand, Hochtemperatur-Supraleitung, Metall- Isolator-Übergang, die oft von nanoskaliger Ordnung von Spins, Ladungen, orbitaler Besetzung sowie Gitterverzerrungen begleitet sind. Dadurch werden diese Materialien interessant für Anwendbarkeit. Magnetit, ein Prototyp eines solchen funktionalen Materials zeigt einen Metall-Isolator-Übergang bei T = 123 K. Untersucht man die Ladungs- und orbitale Ordnung sowie die Struktur nach einer optischen Anregung, so findet man, dass die elektronische Struktur und Gitterverzerrung, die kennzeichnend für die Tieftemperaturphase sind, innerhalb der Zeitauflösung des Experiments von 300 fs zerstört wird. Der eigentliche Metall-Isolator-Übergang zeigt sich erst nach 1.5 ps. Die Ergebnisse zeigen, dass MITs in funktionalen Materialien bis zu tausend Mal schneller geschaltet werden können als in vorhandenen Halbleiter-Schaltern. Seit kurzem rücken auch ferrimagnetische und antiferromagnetische Materialen in den Fokus des Interesses. Es wurde im Ferrimagnet GdFeCo gezeigt, dass der Transfer von Drehimpuls zwischen zwei entgegengesetzten Subsystemen mit unterschiedlichen Zeitkonstanten zu einem Umschalten der Magnetisierung führt. Zudem wurde vorhergesagt, dass Demagnetisierungsdynamiken in antiferromagnetischen Materialien schneller ablaufen soll als in ferromagnetischen, da kein Drehimpuls aus dem Spinsystem abgeführt werden muss. Damit wir mehr über antiferromagnetische Dynamik erfahren haben wir zwei unterschiedliche Antiferromagneten untersucht, um sie mit den bekannten FM zu vergleichen. Im metallischen AFM Holmium fanden wir, dass die magnetische Ordnung schneller und zehnmal energieeffizienter zerstört werden kann als in vergleichbaren FM Metallen. In Europium-Tellurid, einem antiferromagnetischem Halbleiter, haben wir den Zerfall der magnetischen Ordnung im Hinblick auf Wechselwirkungen mit der Struktur untersucht. Wir fanden auf kurzen Zeitskalen eine eher entkoppelte Dynamik. Eine Ausnahme ist ein schneller Beitrag zur Gitterdynamik, den wir mit dem Wegfall von Magnetostriktion erklären. Die hier gezeigten Ergebnisse wurden mit Hilfe zeitaufgelöster resonanter weicher Röntgenbeugung an der Femtoslicing Strahlungsquelle des Helmholtz-Zentrums Berlin und am freien Elektronenlaser LCLS gemessen. Zusätzlich wird über die Entwicklung und den Bau eines UHV-Diffraktometers für diese Experimente berichtet.
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Colin, Jonathan. "Potentialités des techniques de caractérisation in-situ et en temps réel pour sonder, comprendre et contrôler les processus de nucléation-croissance durant le dépôt de films minces métalliques." Thesis, Poitiers, 2015. http://www.theses.fr/2015POIT2276/document.

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Ce travail porte sur la compréhension des mécanismes de nucléation-croissance et le développement de contraintes associé lors du dépôt par pulvérisation de films minces métalliques. Le développement d’un dispositif de mesure in-situ en cours de croissance de la résistivité électrique est présenté et les potentialités offertes par son couplage avec deux autres diagnostics in-situ : la mesure de courbure du substrat et la spectroscopie différentielle de surface, ainsi qu’avec des caractérisations structurales, morphologiques et chimiques ex-situ (DRX, XRR, METHR, EELS, AFM) ont permis de mettre en évidence : le rôle clé joué par la température homologue et la structure d’équilibre du matériau déposé pour guider le mode de croissance 2D ou 3D et les contraintes associées. Pour les métaux à croissance 3D étudiés (Ag, Au, Pd et Ir) tous de structure CC, nous avons montré que l’amplitude du pic de tension associée au stade de coalescence était liée à la mobilité atomique des adatomes ; son maximum correspondant à la continuité du film. Nous avons montré que l’épaisseur de coalescence et donc la microstructure et la contrainte des éléments de forte mobilité pouvaient être contrôlées par la présence d’un surfactant en cours de croissance. Il est exposé que pour les métaux de faible mobilité atomique (Mo, W, Ta, Fe) et/ou de structure CC, la croissance débute par la stabilisation d’une amorphe suivie par la cristallisation vers la phase d’équilibre CC (Mo, Fe) ou la structure quadratique dans le cas du Ta, induite par la minimisation des énergies de surface/interface. Les premiers stades de croissance complexes du système Pd/Si liés à une forte réactivité d’interface ont été expliqués par la formation d’un siliciure d’interface tout d’abord amorphe qui cristallise, lorsque l’épaisseur de Pd déposée devient suffisante, par ségrégation dynamique du Si dans le métal. La très forte dissymétrie des interfaces Pd/Si et Si/Pd ainsi que le rôle de la température et du réservoir de Si sur la formation du siliciure ont été étudiés. Les interdépendances entre contrainte de croissance en régime stationnaire, microstructure, énergie déposée et cinétique de croissance dans le cas de métaux de faible mobilité ont été élucidées et le rôle majeur des joints de grains et des puits de surface sur la relaxation des défauts de types interstitiels en excès induits lors de dépôts énergétiques démontré. Une extension aux dépôts énergétiques du modèle cinétique de Chason de développement des contraintes est proposée
Size reduction for the race towards nanoscale devices impacts physical properties of materials due to morphology, microstructure, defects and presence of surfaces and interfaces, but also makes challenging their structural characterizations. Moreover, thin film growth by physical vapor deposition is a non-equilibrium process involving dynamics effects, which inherently affects nanostructure formation. Thanks to the development and use of in situ and real-time diagnostics, easily implementable in a vacuum chamber, as those based on the wafer curvature measurement, electrical resistivity or also the surface reflectance spectroscopy, described in this work, we are able to address these issues. An original 4 points probe resistivity setup, in situ and real-time, in a magnetron chamber, has been developed for this study, allowing samples introduction by a load-lock system and the growth of homogeneous, dense metallic films. Potentialities of these techniques are highlighted by studying magnetron sputtered metallic systems with various atomic mobility and interfacial reactivity. The sensibility of these techniques, at the sub monolayer scale, allows a better understanding of the firsts growth stages, nucleation processes, phase transformations and defects incorporation. Influence of microstructure (grain size), kinetics (growth rate) and deposited energy has been systematically studied. The main results obtained revealed: a correlation between the magnitude of tensile stress associated with the coalescence stage and the atomic mobility of adatoms during Volmer-Weber growth of Ag, Au, Pd and Ir thin films on a-SiOx; a two dimensional growth mode for films of lower mobility (Fe, Mo, Ta) on a-Si, with the stabilization of an amorphous layer before the crystallization of the equilibrium bcc structure (Fe and Mo) or the metastable tetragonal structure in the case of Ta, driven by the minimization of surface/interface energies; the strong reactivity of Pd films sputtered on Si or Ge (amorphous or crystalline) substrates, leading to the room-temperature formation of a crystalline silicide (germanide) Pd2Si (or Pd2Ge) phase whose crystallographic orientation depends on the nature of the sublayer and where the silicon is the fast diffuser; the complementary roles of surface and grain boundaries on the steady-state compressive stress regime observed under energetic conditions of growth (10-100eV). To account for these observations, an extension of Chason’s theoretical model is presented
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Books on the topic "Time-resolved in situ X-ray diffraction"

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1934-, Rentzepis Peter M., ed. Time-resolved electron and X-Ray diffraction: 13-14 July 1995, San Diego, California. Bellingham, WA: SPIE, 1996.

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Book chapters on the topic "Time-resolved in situ X-ray diffraction"

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Wong, Joe, E. M. Larson, J. B. Holt, T. Ressler, and J. W. Elmer. "In-Situ Chemical Dynamics and Phase Mapping Under Steep Thermal Gradients Using Time-Resolved and Spatially Resolved X-Ray Diffraction." In Properties of Complex Inorganic Solids 2, 285–306. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/978-1-4615-1205-9_22.

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Otterstein, E., R. Nicula, J. Bednarčík, M. Stir, and E. Burkel. "In Situ Time-Resolved X-Ray Diffraction Investigation of the ω→ψ Transition in Al-Cu-Fe Quasicrystal-Forming Alloys." In Materials Science Forum, 943–47. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-443-x.943.

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Feigl, Ludwig, and Philipp Schroth. "X-ray Methods for Structural Characterization of III-V Nanowires: From an ex-situ Ensemble Average to Time-resolved Nano-diffraction." In Fundamental Properties of Semiconductor Nanowires, 185–250. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-9050-4_4.

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Schenk, Thomas, Alain Jacques, Jean Briac Le Graverend, and Jonathan Cormier. "Real Time In Situ X-Ray Diffraction Study of the High Temperature Mechanical Behavior of a Rafted Single Crystal Superalloy." In TMS2015 Supplemental Proceedings, 1289–98. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119093466.ch154.

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Schenk, Thomas, Alain Jacques, Jean Briac Le Graverend, and Jonathan Cormier. "Real Time in Situ X-Ray Diffraction Study of the high Temperature Mechanical Behavior of a Rafted Single Crystal Superalloy." In TMS 2015 144th Annual Meeting & Exhibition, 1291–98. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-48127-2_154.

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Bratos, Savo, and Michael Wulff. "Time-Resolved X-Ray Diffraction from Liquids." In Advances in Chemical Physics, 259–88. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470175422.ch5.

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Bratos, Savo, and Michael Wulff. "Time-Resolved X-Ray Diffraction from Liquids." In Advances in Chemical Physics, 1–29. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470238080.ch1.

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Tomov, I. V., P. Chen, and P. M. Rentzepis. "Time resolved x-ray diffraction in solids and liquids." In Current Challenges on Large Supramolecular Assemblies, 287–317. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-5284-6_21.

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Hu, Chih-Wei, Kai-Sheng Shih, Ching-Yu Chiang, Hui-Chia Su, Bor-Yuan Shew, and Chih-Hao Lee. "Real-Time Investigation of the Structural Evolution of Electrodes in a Lithium-Ion Battery Containing V-Added LiFePO4Cathode Using In-Situ Synchrotron X-Ray Powder Diffraction." In PRICM, 3505–12. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118792148.ch434.

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Hu, Chih-Wei, Kai-Sheng Shih, Ching-Yu Chiang, Hui-Chia Su, Bor-Yuan Shew, and Chih-Hao Lee. "Real-time investigation of the structural evolution of electrodes in a lithium-ion battery containing V-added LiFePO4 cathode using in-situ synchrotron X-ray powder diffraction." In Proceedings of the 8th Pacific Rim International Congress on Advanced Materials and Processing, 3505–12. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-48764-9_434.

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Conference papers on the topic "Time-resolved in situ X-ray diffraction"

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Stock, Stuart R., Michala K. Stock, and Jonathan D. Almer. "In situ position-resolved x-ray diffraction of an intact Roman-era Egyptian mummy guided by computed tomography." In Developments in X-Ray Tomography XII, edited by Bert Müller and Ge Wang. SPIE, 2019. http://dx.doi.org/10.1117/12.2530925.

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Oliver, Sam, Chris Simpson, Andrew James, Christina Reinhard, David Collins, Martyn Pavier, and Mahmoud Mostafavi. "Measurements of Stress During Thermal Shock in Clad Reactor Pressure Vessel Material Using Time-Resolved In-Situ Synchrotron X-Ray Diffraction." In ASME 2018 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/pvp2018-84676.

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Nuclear reactor pressure vessels must be able to withstand thermal shock due to emergency cooling during a loss of coolant accident. Demonstrating structural integrity during thermal shock is difficult due to the complex interaction between thermal stress, residual stress, and stress caused by internal pressure. Finite element and analytic approaches exist to calculate the combined stress, but validation is limited. This study describes an experiment which aims to measure stress in a slice of clad reactor pressure vessel during thermal shock using time-resolved synchrotron X-ray diffraction. A test rig was designed to subject specimens to thermal shock, whilst simultaneously enabling synchrotron X-ray diffraction measurements of strain. The specimens were extracted from a block of SA508 Grade 4N reactor pressure vessel steel clad with Alloy 82 nickel-base alloy. Surface cracks were machined in the cladding. Electric heaters heat the specimens to 350°C and then the surface of the cladding is quenched in a bath of cold water, representing thermal shock. Six specimens were subjected to thermal shock on beamline I12 at Diamond Light Source, the UK’s national synchrotron X-ray facility. Time-resolved strain was measured during thermal shock at a single point close to the crack tip at a sample rate of 30 Hz. Hence, stress intensity factor vs time was calculated assuming K-controlled near-tip stress fields. This work describes the experimental method and presents some key results from a preliminary analysis of the data.
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Elmer, J. W., and T. A. Palmer. "In-Situ Monitoring of Phase Transformations During Welding of Steels Using Synchrotron-Based X-Ray Diffraction Techniques." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-62448.

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Understanding the evolution of microstructure in welds is an important goal of welding research because of the strong correlation between weld microstructure and weld properties. To achieve this goal it is important to develop a quantitative measure of phase transformations encountered during welding in order to ultimately develop methods for predicting weld microstructures from the characteristics of the welding process. To aid in this effort, synchrotron radiation methods have been developed at Lawrence Livermore National Laboratory for direct observations of microstructure evolution during welding. Using intense, highly collimated synchrotron radiation, the atomic structure of the weld heat affected and fusion zones can be probed in real time. Two synchrotron-based techniques have been developed for these investigations, known as spatially resolved (SRXRD) and time resolved (TRXRD) x-ray diffraction, and these techniques have been used to investigate welding induced phase transformations in titanium alloys, low alloy steels, and stainless steel alloys. This paper will provide a brief overview of the application of these methods to understand microstructural evolution during the welding of low carbon (AISI 1005) and medium carbon (AISI 1045) steels, where the different levels of carbon influence the starting microstructures and the evolution of microstructures during welding.
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Huber, Rachel C., Erik B. Watkins, Dana M. Dattelbaum, and Richard L. Gustavsen. "X-ray diffraction diagnostic paired with gas gun driven compression of polyethylene." In 2019 15th Hypervelocity Impact Symposium. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/hvis2019-112.

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Abstract Understanding the kinetics of phase transitions, including decomposition from reactants to products under extreme condition events is challenging. Capturing these processes require: 1) diagnostics that probe on the timescales and at energies capable of interacting with the dynamically evolving products, penetrating the opaqueness of the changing system; and 2) detectors sensitive enough to observe these events. Synchrotrons and free electron lasers provide ke-V-energy x-ray beams capable of penetrating the optical-opaqueness of the temporally evolving products. At the Dynamic Compression Sector at the Advanced Photon Source, the x-ray beam is coupled to single and two-stage gas guns capable of producing planar shocks at a range of projectile velocities while capturing in situ x-ray diffraction/scattering of the evolving material under dynamic compression. In this work, we demonstrate the utility of this approach in measuring the evolution of crystalline domains in shocked high-density polyethylene to P = 7.45 GPa, and have observed the compression and orientation of the polymer chains in real time.
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Fouliard, Quentin, Johnathan Hernandez, Hossein Ebrahimi, Khanh Vo, Ranajay Ghosh, Seetha Raghavan, Frank Accornero, Mary McCay, Jun-Sang Park, and Jonathan Almer. "Synchrotron X-Ray Diffraction to Quantify In-Situ Strain on Rare-Earth Doped Yttria-Stabilized Zirconia Thermal Barrier Coatings." In ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/gt2021-59649.

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Abstract The recent advancement in multifunctional thermal barrier coatings (TBCs) for temperature sensing or defect monitoring has gained interest over the past decade as they have shown great potential for optimized engine operation with higher efficiency, reduced fuel consumption and maintenance costs. Specifically, sensor coatings containing luminescent ions enable materials monitoring using integrated spectral characteristics. While facilitating sensing capabilities, luminescent rare-earth dopants ideally present minimal intrusiveness for the thermal barrier coating. However, the effects of rare-earth dopant addition on thermomechanical and thermochemical properties remain unclear. Our study intends to fill this knowledge gap by characterizing coatings’ internal thermomechnical properties under realistic gas turbine engine operating temperatures. In this work, TBC configurations including industry standard coatings and sensor coatings were compared to quantify dopant intrusiveness. The TBC configurations have been characterized using high-energy synchrotron X-ray diffraction while being heated up to gas turbine engine temperatures. The TBC samples have been subjected to a single cycle thermal load with multiple ramps and holds during XRD data collection. Depth-resolved XRD was used to obtain the 2D diffraction patterns corresponding to each depth location for the determination of strain distributions along the TBCs. Internal strains and stresses acting through the coatings were quantified mostly highlighting that there is negligible variation between the standard and novel sensor coatings. Thus, the thermal response at high temperature remains unaffected with addition of luminescent dopants. This evaluation of novel coating configurations provides valuable insight for future safe implementation of these temperature sensing coatings without performance reductions.
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Nielsen, S. F., C. Gundlach, E. M. Lauridsen, R. V. Martins, H. F. Poulsen, S. Schmidt, and D. Juul Jensen. "Metal Microstructures in Four Dimensions." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-62435.

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By Three Dimensional X-ray Diffraction (3DXRD) microscopy it is possible to characterize microstructures non-destructively in 3 dimensions. The measurements are furthermore typically so fast that dynamics may be monitored in-situ, giving also the 4th dimension, namely the time. The 3DXRD technique is based on diffraction of high energy x-rays from third generation synchrotron sources. In the present paper the 3DXRD technique is described and it’s potentials are illustrated by examples relating to elastic and plastic strains, recovery, recrystallization and grain growth.
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Armstrong, Nicholas, Peter A. Lynch, Sitarama R. Kada, Pavel Cizek, Justin A. Kimpton, and Ross A. Antoniou. "Bayesian Analysis of In-Situ High-Resolution X-Ray Diffraction Synchrotron Experiments of Ti-6Al-4V Specimens Undergoing Tensile Loading." In ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/gt2019-91230.

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Abstract Linking the accumulation of microstructural damage prior to crack initiation to the lifing of aero-engines components would help to better predict the time that a component spends in this crack initiation stage. We present the results and analysis of in-situ high-resolution X-ray diffraction (XRD) experiments of a Ti-6Al-4V specimen that experienced tensile loading using medium energy synchrotron X-rays (≤ 21 keV) carried out at the Australian Synchrotron. The XRD analysis characterised XRD line-broadening due to the build-up of dislocations and the formation of crystallites in α- and β-Ti-6Al-4V specimens. Using Bayesian XRD analysis methods, the density, spatial arrangement of dislocations, and crystallite size information for α- and β-phases of the Ti-6Al-4V was extracted from the XRD line-profiles, as a function of applied load. The XRD analysis was then compared and validated with transmission electron microscopy (TEM) analysis of the specimen before and after the loading. Comparison of the TEM and XRD analysis reveals broad agreement in terms of the microstructural damage of Ti-6Al-4V specimens.
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Zanchet, Daniela, Cristiane B. Rodella, Laura J. S. Lopes, Marco A. Logli, Valéria P. Vicentini, Wen Wen, Jonathan C. Hanson, José A. Rodriguez, and Rogério Magalhaes Paniago. "In situ time-resolved X-ray diffraction studies of Fe[sub 2]O[sub 3] and Cu, Cr-Fe[sub 2]O[sub 3] catalysts for the water-gas shift reaction." In SYNCHROTRON RADIATION IN MATERIALS SCIENCE: Proceedings of the 6th International Conference on Synchrotron Radiation in Materials Science. AIP, 2009. http://dx.doi.org/10.1063/1.3086227.

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von der Linde, D., and K. Sokolowski-Tinten. "Ultrafast time-resolved X-ray diffraction." In International Quantum Electronics Conference, 2005. IEEE, 2005. http://dx.doi.org/10.1109/iqec.2005.1561058.

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Sokolowski-Tinten, K. "Ultrafast time-resolved X-ray diffraction." In SCIENCE OF SUPERSTRONG FIELD INTERACTIONS: Seventh International Symposium of the Graduate University for Advanced Studies on Science of Superstrong Field Interactions. AIP, 2002. http://dx.doi.org/10.1063/1.1514263.

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