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Download or read book Morphological Evolution During Molecular Beam Epitaxy of Germanium/germanium(001) and Silicon/germanium(111). written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joseph Edward Van Nostrand
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (774 download)
Download or read book Evolution of the Surface Morphology of Homoepitaxial Germanium(001) and Heteropitaxial Silicon(0.5) Germanium(0.5)/germanium(001) Deposited by Molecular Beam Epitaxy at Reduced Temperatures written by Joseph Edward Van Nostrand and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We present comprehensive experimental results on the fashion in which the Ge(001) surface roughens as a function of film thickness, deposition temperature, and substrate miscut. The results allow us to write empirical expressions for feature spacing and roughness amplitude of the growing surface over a wide range of film thicknesses and deposition temperatures. We show that layer-by-layer growth on a singular surface in the presence of a small Ehrlich-Schwoebel leads to mound formation, and, from our experimental results, we extract an activation energy for the Ehrlich-Schwoebel barrier of $rm Esb{ES}approx 1meV$ for Ge(001). The effect of the Ehrlich-Schwoebel barrier does not diminish with an increase in deposition temperature, and hence the transition of the growth mode from multilayer to step flow is due to the competing process of smoothing becoming the dominant mechanism. Deposition on a vicinal surface miscut in the (011) results in the formation of elongated mounds bounded by ${105}$ facets. Thin $rm Sisb{0.5}Gesb{0.5}/Ge(001)$ films deposited in the presence of tensile strain result in the formation of Shockley partial misfit dislocations and a subsequent stacking fault. The stacking faults extend to the film surface, where they impede step flow. This results in step bunching and the formation of rectangular mounds on the surface. Annealing these films results in an inversion of the mounds into pits.
Author : Peter W. Deelman
Publisher :
ISBN 13 :
Total Pages : 118 pages
Book Rating : 4.:/5 (568 download)
Download or read book Morphological Evolution and Optical Properties of Germanium Thin Films Grown on Silicon by Molecular Beam Epitaxy written by Peter W. Deelman and published by . This book was released on 1996 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Anders Nilsson
Publisher : Elsevier
ISBN 13 : 0080551912
Total Pages : 533 pages
Book Rating : 4.0/5 (85 download)
Download or read book Chemical Bonding at Surfaces and Interfaces written by Anders Nilsson and published by Elsevier. This book was released on 2011-08-11 with total page 533 pages. Available in PDF, EPUB and Kindle. Book excerpt: Molecular surface science has made enormous progress in the past 30 years. The development can be characterized by a revolution in fundamental knowledge obtained from simple model systems and by an explosion in the number of experimental techniques. The last 10 years has seen an equally rapid development of quantum mechanical modeling of surface processes using Density Functional Theory (DFT). Chemical Bonding at Surfaces and Interfaces focuses on phenomena and concepts rather than on experimental or theoretical techniques. The aim is to provide the common basis for describing the interaction of atoms and molecules with surfaces and this to be used very broadly in science and technology. The book begins with an overview of structural information on surface adsorbates and discusses the structure of a number of important chemisorption systems. Chapter 2 describes in detail the chemical bond between atoms or molecules and a metal surface in the observed surface structures. A detailed description of experimental information on the dynamics of bond-formation and bond-breaking at surfaces make up Chapter 3. Followed by an in-depth analysis of aspects of heterogeneous catalysis based on the d-band model. In Chapter 5 adsorption and chemistry on the enormously important Si and Ge semiconductor surfaces are covered. In the remaining two Chapters the book moves on from solid-gas interfaces and looks at solid-liquid interface processes. In the final chapter an overview is given of the environmentally important chemical processes occurring on mineral and oxide surfaces in contact with water and electrolytes. Gives examples of how modern theoretical DFT techniques can be used to design heterogeneous catalysts This book suits the rapid introduction of methods and concepts from surface science into a broad range of scientific disciplines where the interaction between a solid and the surrounding gas or liquid phase is an essential component Shows how insight into chemical bonding at surfaces can be applied to a range of scientific problems in heterogeneous catalysis, electrochemistry, environmental science and semiconductor processing Provides both the fundamental perspective and an overview of chemical bonding in terms of structure, electronic structure and dynamics of bond rearrangements at surfaces
Download or read book Silicon (011) and Silicon Germanium (011) Gas-Source Molecular Beam Epitaxy: Surface Reconstructions, Growth Kinetics, and Germanium Segregation written by and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1058 pages
Book Rating : 4.E/5 ( download)
Download or read book Metals Abstracts written by and published by . This book was released on 1983 with total page 1058 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Charles B. Duke
Publisher : North Holland
ISBN 13 :
Total Pages : 1076 pages
Book Rating : 4.F/5 ( download)
Download or read book Surface Science written by Charles B. Duke and published by North Holland. This book was released on 1994 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collection of articles describing the historical developments from 1964-92 of selected topics in surface science. This text aims to provide readers with an overview of the field and an indication of future directions.
Author :
Publisher :
ISBN 13 :
Total Pages : 249 pages
Book Rating : 4.:/5 (181 download)
Download or read book Festkörperprobleme written by and published by . This book was released on 1965 with total page 249 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. Y. Tong
Publisher : Springer
ISBN 13 :
Total Pages : 714 pages
Book Rating : 4.X/5 (2 download)
Download or read book The Structure of Surfaces III written by S. Y. Tong and published by Springer. This book was released on 1991 with total page 714 pages. Available in PDF, EPUB and Kindle. Book excerpt:
