Materials Literature
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The comprehensive study of the temperature dependent x-ray absorption\nspectroscopy (XAS) reveals a dynamical spectral weight $\\alpha$ in\nYBa$_2$Cu$_3$O$_y$ (YBCO). Large spectral weight changes for both the Upper\nHubbard band and the Zhang-Rice band due to dynamics of holes are\nexperimentally found in the underdo…
There has been growing interest in designing and development of suitable micro or nano drug delivery system with the ability to target site specifically and release the payload in a predetermined fashion. Recently a new type of system called polyelectrolyte microcapsules and thin films have been proposed and developed…
Single atoms can be considered as basic objects for electron microscopy to test the microscope performance and basic concepts for modeling of image contrast. In this work high-resolution transmission electron microscopy was applied to image single platinum atoms in an aberration-corrected transmission electron microsc…
de São Paulo, Lorena
This chapter contains sections titled: Introduction Technology and Progress in Fuel Cell development Electrochemical Combustion in Fuel Cells: Concepts and Methods New Methods for Studying Fuel Cell Catalysts New Methods for Studying Fuel Cell Electrodes Concluding Remarks Acknowledgments References
Americanae nace como un proyecto conjunto que surge dentro de la Red Europea de Información y Documentación sobre América Latina (REDIAL), y que ha afrontado la Biblioteca de la Agencia Española de Cooperación Internacional para el Desarrollo (AECID). Esta nueva biblioteca virtual hace más accesibles los libros digita…
Cylinder test data shows that the copper wall angle increases with time in a given shot and becomes much larger if the wall is at half-thickness. The true velocity is suggested to be that perpendicular to the wall, and this brings full and half-wall data in closer agreement. The previously published Gurneytype equatio…
Fine-grained diamond preforms (D[v, 0.9] = 2 μm) have been successfully infiltrated \nwith silicon. The infiltration of fine-grained diamond preforms using silicon is limited by \nthe blocking of the pores as a result of the volume increase during the reaction of \ndiamond with Si to form SiC. The preforms were prepar…
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When a thin liquid film on a solid surface has a thickness corresponding to a particular part the spinodal region of the disjoining pressure versus thickness isotherm, the film breaks down. One of the patterns that emerges on the breakdown has been referred to as wavy instability. It is compared here to the labyrinthi…
The LaAlO3/SrTiO3 interface provides a unique platform for controlling the electronic properties of the superconducting semiconductor SrTiO3. Prior investigations have shown that two-dimensional superconductivity can be produced at the LaAlO3/SrTiO3 interface and tuned electrostatically. The recently demonstrated reve…
The Nevada Test Site Environmental Report 2009 was prepared to meet the information needs of the public and the requirements and guidelines of the U.S. Department of Energy (DOE) for annual site environmental reports. It was prepared by National Security Technologies, LLC (NSTec), for the U.S. Department of Energy, Na…
When using shielding boxes made of conductive plastics, the main problem is how to contact both parts of the box in a conductive way. A new low-cost joining structure has been developed and characterised. Both the joining structure as the characterisation method and procedure are discussed in this paper.
A two-dimensional directed stochastic sandpile model is studied both numerically and analytically. One of the known analytical approaches is extended by considering general stochastic toppling rules. The probability density distribution for the first-passage time of stochastic process described by a nonlinear Langevin…
Orientadora: Profa. Dra. Rosemary Hoffmann Ribani
WHEN IT COMES TO nuclear energy, the world is not exactly an early adopter of new technology: The vast majority of nuclear reactors running today falls into the so-called Generation II category and uses technology from the 1970s. Generation III reactors—the ones being built now or in the near future—are fundamentally…
This chapter contains sections titled: Introduction Promotional effect of Pd on Hydrogen Oxidation Reaction at a Pt–Pd Alloy Electrode Hydrogen Oxidation Reaction at a Ir–Pd Alloy Electrode Summary Acknowledgement References
This chapter contains sections titled: Introduction Experimental Considerations Oxygen Reduction Reaction Electrochemical Corrosion of Nanoparticles Acknowledgment References
This chapter contains sections titled: Introduction Fundamentals of Hydrogen Reactions Fundamental Studies of Hydrogen Reactions on Extended Single-Crystal Surfaces Theoretical Studies of Hydrogen Catalysis Fundamental Studies of Nanoparticles on Single Crystals Investigations of Hydrogen-Related Reactions on Single P…
This chapter contains sections titled: Introduction Theory of Electrochemical Interfaces Solvation Model Conclusion Acknowledgements References