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In recent years substantial progress has been made in the detection of surface phonons owing to considerable improvements in inelastic rare gas scattering tech niques and electron energy loss spectroscopy. With these methods it has become possible to measure surface vibrations in a wide energy range for all wave vectors in the two-dimensional Brillouin zone and thus to deduce the complete surface phonon dispersion curves. Inelastic atomic beam scattering and electron energy loss spectroscopy have started to play a role in the study of surface phonons similar to the one played by inelastic neutron scattering in the investigation of bulk phonons in the last thirty years. Detailed comparison between experimen tal results and theoretical studies of inelastic surface scattering and of surface phonons has now become feasible. It is therefore possible to test and to improve the details of interaction models which have been worked out theoretically in the last few decades. At this point we felt that a concise, coherent and self-contained guide to the rapidly growing field of surface phonons was needed.
Based on the Solvay conference, which gathers the leading scientists in the field, this monograph collects review articles from the six topics of the conference, while also including comments, discussions and debates obtained during the conference. The issues discussed at this landmark conference were: * Noncovalent Assemblies: Design and Synthesis * Template Synthesis of Catenanes and Rotaxanes * Molecular Machines Based on Catenanes and Rotaxanes * Molecular Machines Based on Non-Interlocking Molecules * Towards Molecular Logics and Artificial Photosynthesis * From Single Molecules to Practical Devices and the authors add their personal views on the future of each of their own research areas. Novel reading for organic, inorganic and polymer chemists, as well as materials scientists.
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The articles collected in this volume give a broad overview of the current state of surface science. Pioneers in the field and researchers met together at this Solvay Conference to discuss important new developments in surface science, with an emphasis on the common area between solid state physics and physical chemistry. The contributions deal with the following subjects: structure of surfaces, surface science and catalysis, two-dimensional physics and phase transitions, scanning tunneling microscopy, surface scattering and surface dynamics, chemical reactions at surfaces, solid-solid interfaces and superlattices, and surface studies with synchrotron radiation. On each of these subjects an introductory review talk and a number of short research contributions are followed by extensive discussions, which appear in full in the text. This nineteenth Solvay Conference commemorates the 75th anniversary of the Solvay Institutes.
As the magazine of the Texas Exes, The Alcalde has united alumni and friends of The University of Texas at Austin for nearly 100 years. The Alcalde serves as an intellectual crossroads where UT's luminaries - artists, engineers, executives, musicians, attorneys, journalists, lawmakers, and professors among them - meet bimonthly to exchange ideas. Its pages also offer a place for Texas Exes to swap stories and share memories of Austin and their alma mater. The magazine's unique name is Spanish for "mayor" or "chief magistrate"; the nickname of the governor who signed UT into existence was "The Old Alcalde."
Putting the New Materialist figure of diffraction to use in a set of readings – in which cultural texts are materially read against their contents and their themes, against their readers or against other texts – this volume proposes a criticalintervention into the practice of reading itself. In this book, reading and reading methodology are probed for their materiality and re-considered as being inevitably suspended between, or diffracted with, both matter and discourse. The history of literary and cultural reading, including poststructuralism and critical theory, is revisited in a new light and opened-up for a future in which the world and reading are no longer regarded as conveniently ...