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Scanning Tunneling Microscopy Studies Of Growth And Adsorption On Transition Metal Surfaces
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Book Synopsis Scanning Tunneling Microscopy Studies of Growth and Adsorption on Transition Metal Surfaces by : Morten Østergaard Pedersen
Download or read book Scanning Tunneling Microscopy Studies of Growth and Adsorption on Transition Metal Surfaces written by Morten Østergaard Pedersen and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Hans-Joachim Güntherodt Publisher :Springer Science & Business Media ISBN 13 :3642792553 Total Pages :288 pages Book Rating :4.6/5 (427 download)
Book Synopsis Scanning Tunneling Microscopy I by : Hans-Joachim Güntherodt
Download or read book Scanning Tunneling Microscopy I written by Hans-Joachim Güntherodt and published by Springer Science & Business Media. This book was released on 2013-03-13 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the first edition of "Scanning 'funneling Microscopy I" has been pub lished, considerable progress has been made in the application of STM to the various classes of materials treated in this volume, most notably in the field of adsorbates and molecular systems. An update of the most recent develop ments will be given in an additional Chapter 9. The editors would like to thank all the contributors who have supplied up dating material, and those who have provided us with suggestions for further improvements. We also thank Springer-Verlag for the decision to publish this second edition in paperback, thereby making this book affordable for an even wider circle of readers. Hamburg, July 1994 R. Wiesendanger Preface to the First Edition Since its invention in 1981 by G. Binnig, H. Rohrer and coworkers at the IBM Zurich Research Laboratory, scanning tunneling microscopy (STM) has devel oped into an invaluable surface analytical technique allowing the investigation of real-space surface structures at the atomic level. The conceptual simplicity of the STM technique is startling: bringing a sharp needle to within a few Angstroms of the surface of a conducting sample and using the tunneling cur rent, which flows on application of a bias voltage, to sense the atomic and elec tronic surface structure with atomic resolution! Prior to 1981 considerable scepticism existed as to the practicability of this approach.
Book Synopsis Scanning Tunneling Microscopy in Surface Science, Nanoscience, and Catalysis by : Michael Bowker
Download or read book Scanning Tunneling Microscopy in Surface Science, Nanoscience, and Catalysis written by Michael Bowker and published by John Wiley & Sons. This book was released on 2009-11-11 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: Here, top international authors in the field of STM and surface science present first-class contributions on this hot topic, bringing the reader up to date with the latest developments in this rapidly advancing field. The focus is on the nanoscale, particularly in relation to catalysis, involving developments in our understanding of the nature of the surfaces of oxides and nanoparticulate materials, as well as adsorption, and includes in-situ studies of catalysis on such model materials. Of high interest to practitioners of surface science, nanoscience, STM and catalysis.
Book Synopsis Scanning Tunneling Microscopy I by :
Download or read book Scanning Tunneling Microscopy I written by and published by . This book was released on 1994 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scanning Tunneling Microscopy Studies of Metal Clusters Supported on Graphene and Silica Thin Film by : Zihao Zhou
Download or read book Scanning Tunneling Microscopy Studies of Metal Clusters Supported on Graphene and Silica Thin Film written by Zihao Zhou and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The understanding of nucleation and growth of metals on a planar support at the atomic level is critical for both surface science research and heterogeneous catalysis studies. In this dissertation, two planar substrates, including graphene and ultra-thin silica film were employed for supported model catalysts studies. The structure and stability of several catalytically important metals supported on these two substrates were thoroughly investigated using scanning tunneling microscopy (STM) coupled with other traditional surface science techniques. In the study of the graphene/Ru(0001) system, the key factors that govern the growth and distribution of metals on the graphene have been studied based on different behaviors of five transition metals, namely Pt, Rh, Pd, Co, and Au supported on the template of a graphene moire pattern formed on Ru(0001). Both metal-carbon (M-C) bond strength and metal cohesive energies play significant roles in the cluster formation process and the M-C bond strength is the most important factor that affects the morphology of clusters at the initial stages of growth. Interestingly, Au exhibits two-dimensional (2-D) structures that span several moire unit cells. Preliminary data obtained by dosing molecular oxygen onto CO pre-covered Au islands suggest that the 2-D Au islands catalyze the oxidation of CO. Moreover, graphene/Ru(0001) system was modified by introducing transition metals, oxygen or carbon at the interface between the graphene and Ru(0001). Our STM results reveal that the geometric and/or electronic structure of graphene can be adjusted correspondingly. In the study of the silica thin film system, the structure of silica was carefully investigated and our STM images favor for the [SiO4] cluster model rather than the network structure. The nucleation and adsorption of three metals, namely Rh, Pt and Pd show that the bond strength between the metal atom and Si is the key factor that determines the nucleation sites at the initial stages of metal deposition. The annealing effect studies reveal that Rh and Pt atoms diffuse beneath the silica film and form the 2-D islands that are covered with a silica thin film. In contrast, the formation of Pd silicide was observed upon annealing to high temperatures.
Book Synopsis Scanning Tunneling Microscopy and Related Methods by : R.J. Behm
Download or read book Scanning Tunneling Microscopy and Related Methods written by R.J. Behm and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the NATO Advanced Study Institute on Basic Concepts and Applications of Scanning Tunneling Microscopy, Erice, Italy, April 17-29, 1989
Book Synopsis Scanning Tunneling Microscopy by : Casper Klink
Download or read book Scanning Tunneling Microscopy written by Casper Klink and published by . This book was released on 1994 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scanning Tunneling Microscopy Studies of Chemisorbed Layers of Metal Surfaces by : David Mark Zeglinski
Download or read book Scanning Tunneling Microscopy Studies of Chemisorbed Layers of Metal Surfaces written by David Mark Zeglinski and published by . This book was released on 1990 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scanning Tunneling Microscopy Studies of S Adsorption and Chemical Reactions on Cu and Ni Surfaces by : Like Ruan
Download or read book Scanning Tunneling Microscopy Studies of S Adsorption and Chemical Reactions on Cu and Ni Surfaces written by Like Ruan and published by . This book was released on 1993 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scanning Tunneling Microscopy in Surface Science by : Michael Bowker
Download or read book Scanning Tunneling Microscopy in Surface Science written by Michael Bowker and published by Wiley-VCH. This book was released on 2010-02-01 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: Here, top international authors in the field of STM and surface science present first-class contributions on this hot topic, bringing the reader up to date with the latest developments in this rapidly advancing field. The focus is on the nanoscale, particularly in relation to catalysis, involving developments in our understanding of the nature of the surfaces of oxides and nanoparticulate materials, as well as adsorption, and includes in-situ studies of catalysis on such model materials. Of high interest to practitioners of surface science, nanoscience, STM and catalysis.
Book Synopsis Scanning Tunneling Microscopy and Computational Chemistry Studies for Controlled Reactions on Silicon by : Dimitri B. Skliar
Download or read book Scanning Tunneling Microscopy and Computational Chemistry Studies for Controlled Reactions on Silicon written by Dimitri B. Skliar and published by ProQuest. This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The understanding of the chemistry of silicon surfaces has been one of the major contributors in development and improvement of silicon based microelectronic devices in the past several decades. Progressively, the dimensions of devices have reduced by several orders of magnitude, presently at the length scale of few tens of nanometers, and are expected to decrease in size even more. For chemistry based film growth methods such as chemical vapor deposition (CVD) or atomic layer deposition (ALD), control of film structure and composition in this spatial regime requires a very detailed nanoscopic understanding of silicon surface chemistry. A combined experimental and theoretical approach, utilizing ultra high vacuum scanning tunneling microscopy (UHV-STM) and density functional theory (DFT), to understanding the surface chemistry of Si(100) is illustrated in the context of ALD development for high dielectric constant metal oxides. As a first possible route to controllably deposit monolayer thick metal layer, the reaction of the metal-organic molecule with bare silicon surface is considered. The interaction of the protonated b-diketonate ligand, 2,2,6,6-tetramethyl-3,5-heptanedione (dpmH), which is a byproduct of the strontium metal-organic precursor vaporization, with Si(100)-2x1 surface is investigated. Two aspects of the molecule's interactions were addressed: the adsorption at room temperature as well as its thermal decomposition. By combination of the experiments with DFT calculations of adsorbate geometry, STM image simulations, and reaction pathways it was possible to propose unique binding configurations that match the experimentally observed adsorption features. Theoretical analysis of multiple competing reaction pathways showed that hydroxyl dissociation via a 1,7 H-shift mechanism is the dominant adsorption pathway. Several other pathways including [2+4] addition, [2+2] C=O intra-dimer addition, [2+2] C=O intra-dimer addition with OH dissociation on an adjacent dimer, [2+2] C=C intra-dimer addition, and "ene" addition are found to be barrierless with respect to the entrance channel, and have small barriers relative to a hypothesized adsorption precursor intermediate. Pathways involving 1,3 and 1,2 intra-molecular H-shifts are found to be highly activated and are expected to be inaccessible at room temperature. Several state inter-conversions are found to be unlikely as well. These results provide insight to the competitive adsorption pathways for multifunctional molecules on silicon. Investigations of thermally induced decomposition of adsorbed dpmH molecules showed that there are no significant products of desorption of carbon containing fragments of the molecule, i.e. most of the carbon atoms incorporate into the silicon surface causing it to reconstruct to a c(4x4) phase at exposures below ~ 0.15 L. At higher exposures formation of SiC islands is observed. These findings demonstrate that schemes to deposit materials from organometallic compounds containing b-diketone ligands onto clean Si(100)-2x1 surface cannot result in an ordered interfacial structure as carbon incorporation into the substrate is inevitable. An alternative strategy for depositing metal template layer is proposed, where the initial reacting surface will be terminated by water at room temperature. The stability of surface hydroxyl groups and mechanisms of their decomposition in 300-600K temperature range are analyzed. It is found that surface oxidation does not follow first order kinetics with respect to the hydroxyl groups. DFT calculations of oxygen insertion pathways point towards a catalytic effect of the dangling bonds and suggest that in the 500-550K range the insertion events should occur predominantly next to unoccupied surface silicon sites. A model is proposed, where diffusing dangling bonds act as moving catalysts for hydroxyl group decomposition. Kinetic Monte Carlo (kMC) simulations are used to compare the results of this model with experimental data. A strategy to increase hydroxyl group stability is demonstrated where the initial concentration of surface dangling bonds is decreased by water termination at 130K.
Book Synopsis Scanning Tunneling Microscopy II by : Roland Wiesendanger
Download or read book Scanning Tunneling Microscopy II written by Roland Wiesendanger and published by Springer Science & Business Media. This book was released on 2013-03-08 with total page 359 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scanning Tunneling Microscopy II, like its predecessor, presents detailed and comprehensive accounts of the basic principles and the broad range of applications of STM and related scanning probe techniques. The applications discussed in this volume come predominantly from the fields of electrochemistry and biology. In contrast to those in STM I, these studies may be performed in air and in liquids. The extensions of the basic technique to map other interactions are described in chapters on scanning force microscopy, magnetic force microscopy, and scanning near-field optical microscopy, together with a survey of other related techniques. Also discussed here is the use of a scanning proximal probe for surface modification. Together, the two volumes give a comprehensive account of experimental aspects of STM and provide essential reading and reference material. In this second edition the text has been updated and new methods are discussed.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scanning Tunneling Microscopy Studies of Organic Monolayers Adsorbed on Th Rhodium(111) Crystal Surface by : Paul Davis Cernota
Download or read book Scanning Tunneling Microscopy Studies of Organic Monolayers Adsorbed on Th Rhodium(111) Crystal Surface written by Paul Davis Cernota and published by . This book was released on 1999 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scanning Tunneling Microscopy at Metal Surfaces by : Christoph A. Lang
Download or read book Scanning Tunneling Microscopy at Metal Surfaces written by Christoph A. Lang and published by . This book was released on 1990 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scanning Tunneling Microscopy Studies of Growth of Silicon and Germanium on Silicon(100) by : Fang Wu
Download or read book Scanning Tunneling Microscopy Studies of Growth of Silicon and Germanium on Silicon(100) written by Fang Wu and published by . This book was released on 1996 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scanning Tunneling Microscopy Studies of the Electronic Structure of Metal Surfaces by : Lars Petersen
Download or read book Scanning Tunneling Microscopy Studies of the Electronic Structure of Metal Surfaces written by Lars Petersen and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: