Multi-scale Simulations of Thin-film Metal Epitaxial Growth PDF Download
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Author: Valery Borovikov
Publisher:
ISBN:
Category : Epitaxy
Languages : en
Pages : 286
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Book Description
The main objective of the work presented in this thesis is to contribute to the understanding of how the growth conditions may affect the surface morphology during deposition. In thin film growth physical processes in a very wide range of time and length scales are relevant. A set of quite different methods of modeling is required when aiming at a more or less complete realistic picture of the growth process. Accordingly, both computer simulations/modeling and analytic calculations were employed in our studies of thin film growth. In particular, a hybrid multi-scale model, which combines a kinetic Monte Carlo (KMC) simulation for the thermal surface diffusion with a Molecular Dynamics (MD) simulation of deposition events, was developed and successfully employed to study Cu/Cu(100) growth at a range of substrate temperatures and deposition angles. Predictive capabilities of this model allowed us to explain a number of puzzling experimental observations. Another accomplishment presented in this thesis is an analytic calculation of the surface current and selected mound angle for the case of epitaxial growth on fcc(111) surface. The results of this calculation help to understand the morphologies observed experimentally for a wide range of systems and deposition conditions.
Author: Valery Borovikov
Publisher:
ISBN:
Category : Epitaxy
Languages : en
Pages : 286
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Book Description
The main objective of the work presented in this thesis is to contribute to the understanding of how the growth conditions may affect the surface morphology during deposition. In thin film growth physical processes in a very wide range of time and length scales are relevant. A set of quite different methods of modeling is required when aiming at a more or less complete realistic picture of the growth process. Accordingly, both computer simulations/modeling and analytic calculations were employed in our studies of thin film growth. In particular, a hybrid multi-scale model, which combines a kinetic Monte Carlo (KMC) simulation for the thermal surface diffusion with a Molecular Dynamics (MD) simulation of deposition events, was developed and successfully employed to study Cu/Cu(100) growth at a range of substrate temperatures and deposition angles. Predictive capabilities of this model allowed us to explain a number of puzzling experimental observations. Another accomplishment presented in this thesis is an analytic calculation of the surface current and selected mound angle for the case of epitaxial growth on fcc(111) surface. The results of this calculation help to understand the morphologies observed experimentally for a wide range of systems and deposition conditions.
Author: Axel Voigt
Publisher: Springer Science & Business Media
ISBN: 3764373431
Category : Mathematics
Languages : en
Pages : 240
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Book Description
Epitaxy is relevant for thin film growth and is a very active area of theoretical research since several years. Recently powerful numerical techniques have been used to link atomistic effects at the film's surface to its macroscopic morphology. This book also serves as an introduction into this highly active interdisciplinary field of research for applied mathematicians, theoretical physicists and computational materials scientists.
Author: William Janke
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author:
Publisher: Elsevier
ISBN: 0080532675
Category : Science
Languages : en
Pages : 673
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Book Description
Although there has been steady progress in understanding aspects of epitaxial growth throughout the last 30 years of modern surface science, work in this area has intensified greatly in the last 5 years. A number of factors have contributed to this expansion. One has been the general trend in surface science to tackle problems of increasing complexity as confidence is gained in the methodology, so for example, the role of oxide/metal interfaces in determining the properties of many practical supported catalysts is now being explored in greater detail. A second factor is the recognition of the potential importance of artificial multilayer materials not only in semiconductor devices but also in metal/metal systems because of their novel magnetic properties. Perhaps even more important than either of these application areas, however, is the newly-discovered power of scanning probe microscopies, and most notably scanning tunneling microscopy (STM), to provide the means to study epitaxial growth phenomena on an atomic scale under a wide range of conditions. These techniques have also contributed to revitalised interest in methods of fabricating and exploiting artificial structures (lateral as well as in layers) on a nanometre scale.This volume, on Growth and Properties of Ultrathin Epitaxial Layers, includes a collection of articles which reflects the present state of activity in this field. The emphasis is on metals and oxides rather than semiconductors.
Author: Miroslav Kotrla
Publisher: Springer Science & Business Media
ISBN: 9401003912
Category : Science
Languages : en
Pages : 588
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Book Description
Epitaxial growth lies at the heart of a wide range of industrial and technological applications. Recent breakthroughs, experimental and theoretical, allow actual atom-by-atom manipulation and an understanding of such processes, opening up a totally new area of unprecedented nanostructuring. The contributions to Atomistic Aspects of Epitaxial Growth are divided into five main sections, taking the reader from the atomistic details of surface diffusion to the macroscopic description of epitaxial systems. many of the papers contain substantial background material on theoretical and experimental methods, making the book suitable for both graduate students as a supplementary text in a course on epitaxial phenomena, and for professionals in the field.
Author: Max G Lagally
Publisher: World Scientific
ISBN: 9814496162
Category : Science
Languages : en
Pages : 508
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Book Description
This book provides a critical assessment of the current status and the likely future directions of thin-film growth, an area of exceptional technological importance. Its emphasis is on descriptions of the atomic-scale mechanisms controlling the dynamics and thermodynamics of the morphological evolution of the growth front of thin films in diverse systems of fundamental and technological significance. The book covers most of the original and important conceptual developments made in the 1990s. The articles, written by leading experts, are arranged in five major categories — the theoretical basis, semiconductor-on-semiconductor growth, metal-on-metal growth, metal-on-semiconductor growth, and removal as the inverse process of growth. This book, the only one of its kind in this decade, will prove to be an indispensable reference source for active researchers, those having peripheral interest, and graduate students starting out in the field.
Author: Z. X. Guo
Publisher: Elsevier
ISBN: 184569337X
Category : Technology & Engineering
Languages : en
Pages : 307
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Book Description
Multiscale materials modelling offers an integrated approach to modelling material behaviour across a range of scales from the electronic, atomic and microstructural up to the component level. As a result, it provides valuable new insights into complex structures and their properties, opening the way to develop new, multi-functional materials together with improved process and product designs. Multiscale materials modelling summarises some of the key techniques and their applications.The various chapters cover the spectrum of scales in modelling methodologies, including electronic structure calculations, mesoscale and continuum modelling. The book covers such themes as dislocation behaviour and plasticity as well as the modelling of structural materials such as metals, polymers and ceramics. With its distinguished editor and international team of contributors, Multiscale materials modelling is a valuable reference for both the modelling community and those in industry wanting to know more about how multiscale materials modelling can help optimise product and process design. - Reviews the principles and applications of mult-scale materials modelling - Covers themes such as dislocation behaviour and plasticity and the modelling of structural materials - Examines the spectrum of scales in modelling methodologies, including electronic structure calculations, mesoscale and continuum modelling
Author: J. W. Matthews
Publisher: Elsevier
ISBN: 1483271811
Category : Science
Languages : en
Pages : 315
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Book Description
Epitaxial Growth Part B is the second part of a collection of review articles that describe various aspects of the growth of single-crystal films on single-crystal substrates. The topics discussed are the nucleation of thin films, the structure of the interface between film and substrate, and the generation of defects during film growth. The methods used to prepare and examine thin films are described and a list of the overgrowth-substrate combinations studied so far is given.
Author: Marian A. Herman
Publisher: Springer Science & Business Media
ISBN: 9783540678212
Category : Science
Languages : en
Pages : 546
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Book Description
In a uniform and comprehensive manner the authors describe all the important aspects of the epitaxial growth processes of solid films on crystalline substrates, e.g. processes in which atoms of the growing film mimic the arrangement of the atoms of the substrate. Emphasis is put on sufficiently fundamental and unequivocal presentation of the subject in the form of an easy-to-read review. A large part of this book focuses on the problems of heteroepitaxy. The most important epitaxial growth techniques which are currently widely used in basic research as well as in manufacturing processes of devices are presented and discussed in detail.
Author: J Matthews
Publisher: Elsevier
ISBN: 0323152120
Category : Science
Languages : en
Pages : 401
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Book Description
Epitaxial Growth, Part A is a compilation of review articles that describe various aspects of the growth of single-crystal films on single-crystal substrates. The collection contains topics on the historical development of epitaxy, the nucleation of thin films, the structure of the interface between film and substrate, and the generation of defects during film growth. The text also provides descriptions of the methods used to prepare and examine thin films and a list of the overgrowth-substrate combinations studied. Mineralogists, materials engineers and scientists, and physicists will find this book a great source of insight.
