Molecular Beam and Laser Studies of the Kinetics and Dynamics of Gas-surface Interactions PDF Download
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Author: David Fredrick Padowitz
Publisher:
ISBN:
Category : Chemical kinetics
Languages : en
Pages : 418
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Book Description
Author: David Fredrick Padowitz
Publisher:
ISBN:
Category : Chemical kinetics
Languages : en
Pages : 418
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Book Description
Author: Ricardo Diez Muino
Publisher: Springer Science & Business Media
ISBN: 3642329551
Category : Science
Languages : en
Pages : 439
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Book Description
This book gives a representative survey of the state of the art of research on gas-surface interactions. It provides an overview of the current understanding of gas surface dynamics and, in particular, of the reactive and non-reactive processes of atoms and small molecules at surfaces. Leading scientists in the field, both from the theoretical and the experimental sides, write in this book about their most recent advances. Surface science grew as an interdisciplinary research area over the last decades, mostly because of new experimental technologies (ultra-high vacuum, for instance), as well as because of a novel paradigm, the ‘surface science’ approach. The book describes the second transformation which is now taking place pushed by the availability of powerful quantum-mechanical theoretical methods implemented numerically. In the book, experiment and theory progress hand in hand with an unprecedented degree of accuracy and control. The book presents how modern surface science targets the atomic-level understanding of physical and chemical processes at surfaces, with particular emphasis on dynamical aspects. This book is a reference in the field.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 16
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Book Description
Molecular beam scattering techniques have firmly established themselves among the major tools for studying the kinetics and dynamics of gas- surface interactions. They have also proven themselves to be of great use in materials synthesis, most notably being used for the molecular beam epitaxial (MBE) growth of semiconductor substrates and superlattices. During the past few years our research group has been very active in developing new and quite general molecular beam techniques for studying the kinetic mechanisms of surface chemical reactions. We have, in particular, focused much of our attention on extending traditional molecular beam measurements to allow us to routinely explore coverage dependent kinetic mechanisms under essentially linearized conditions. These efforts have been quite successful. Our three molecular beam scattering arrangement is unique in the world, and significantly expands the range and power of modulated beam reactive scattering for studying complex kinetics at surfaces. The experimental methodology we have developed utilizes two continuous, independently adjustable beams to establish a desired steady state surface concentration, while a weaker modulated third beam induces small concentration perturbations around the selected steady state. This linearized approach permits the coupled differential equations which represent the overall surface reaction mechanism to be solved perturbatively, yielding quantitative information about the various kinetic steps which comprise overall reaction mechanisms.
Author: Daniel Kelly
Publisher:
ISBN:
Category :
Languages : en
Pages : 258
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Book Description
Author: Lennard Wharton
Publisher:
ISBN:
Category :
Languages : en
Pages : 11
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Book Description
This work is a continuation of studies of fundamental aspects of the dynamics of chemical and physical processes on surfaces. The use of pulsed molecular beams and pulsed laser energy beams to initiate and probe energy exchange and chemical reactions that occur between gases and metal surfaces has been made in experimental studies. The product species and translational kinetic energies are determined with the aid of a mass spectrometer capable of determining the time of arrival of these species. These studies are relevant to the effects of high power laser beams on surfaces. Studies included the following gases: N2, O2, CO, H2, Ar, He, Ne, Xe, and the following surfaces W, Pt, Pt(lll). (Author).
Author: Richard Barry Bernstein
Publisher: Oxford University Press, USA
ISBN:
Category : Science
Languages : en
Pages : 284
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Book Description
Author: J. A. Barker
Publisher:
ISBN:
Category : Surface (Physics)
Languages : en
Pages : 99
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Book Description
Author: John Adair Barker
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Steven J. Sibener
Publisher:
ISBN:
Category :
Languages : en
Pages : 10
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Book Description
This instrumentation grant was used to procure several pieces of equipment with significantly enhanced research capabilities for studying the interactions of molecular beams and laser radiation with well defined surfaces in an ultra-high vacuum environment. A partial listing of the topics that are being explored in greater as a direct result of the new instrumentation includes surface phonon spectroscopy, the dynamics and energetics of heterogeneous interactions, thin film growth including nucleation in two-dimensional systems, gas surface energy transfer interaction potentials, and a variety of laser surface processes such surface photochemistry (radical reactions, desorption, ablation), energy transfer, and photoemission.
Author: K. P. Lawley
Publisher: John Wiley & Sons
ISBN: 0470141867
Category : Science
Languages : en
Pages : 398
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Book Description
This text is the first of a two-volume work on molecule surface interactions addressing topics in chemical physics, surface science, physical chemistry, materials science, and electronics and semiconductor manufacture. As with the other titles in the Advances in Chemical Physics series, the chapters are written by an international group of contributors and cover a wide range of important issues in the field.
