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Author : Scott Alan Elrod
Publisher :
ISBN 13 :
Total Pages : 336 pages
Book Rating : 4.F/5 ( download)
Download or read book Low Temperature Tunneling Microscopy written by Scott Alan Elrod and published by . This book was released on 1985 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lisa Marie Wesoloski
Publisher :
ISBN 13 : 9781109952612
Total Pages : 368 pages
Book Rating : 4.9/5 (526 download)
Download or read book Low Temperature Scanning Tunneling Microscopy Studies of Surfaces and Molecules written by Lisa Marie Wesoloski and published by . This book was released on 2006 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanotechnology is described as an emerging science discipline that is expected to have a greater impact on life as we know it than any innovation since the industrial revolution. Superior, cheaper, stronger and more efficient products are predicted to change the way we live, use technology and conduct research. This dissertation focuses on a remarkable instrument, the low temperature scanning tunneling microscope (LT-STM), which is a powerful tool that has played a significant role in revolutionizing the fields of nanoscience and nanotechnology. The work in this dissertation is divided into three sections. First, the fundamental principles of nanoscience and the history of microscopy are introduced. The second part provides a thorough study of Bardeen's formula and its application in STM. The third part describes experimental investigations involving the physicochemical properties of matter at the nanoscale conducted by means of LT-STM. Studies begin with bare substrate surfaces and successively build in complexity as small molecules, solvents, nanoclusters and large organic molecules are examined on surfaces. Experiments show that carbon monoxide exhibits chemical contrast, while oxygen shows a lack thereof. Solvents are demonstrated to weaken surface bonds and induce surface atom mass transport and the tip is shown to assist the diffusion. Manganese nanoclusters are shown to generate a localized electronic state on graphite by either an electronic or magnetic perturbation. The aromatic molecule, decacyclene (DC) is shown to exhibit both bias-dependent and tip-dependent contrast reversal. In addition, intermolecular interactions are found to compete with the surface-to-molecule interactions as dimers are observed on the surface. Two geometric orientations of the dimers are proposed to explain dimer characteristics and their relation to substrate-dependent properties. Lastly, DC molecules are examined at coverages in excess of a monolayer and shown to form ordered domains of the boat-shape conformation. This dissertation emphasizes the local modifications of electronic structures upon physisorption and the interplay between surface-to-molecule and molecule-to-molecule interactions, which demonstrate the various complexities occurring at the nanoscale.
Author : Andreas Hirstein
Publisher :
ISBN 13 :
Total Pages : 97 pages
Book Rating : 4.:/5 (821 download)
Download or read book Low Temperature Scanning Tunneling Microscopy and Spectroscopy in Ultra-high-vacuum and High Magnetic Fields written by Andreas Hirstein and published by . This book was released on 1998 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Maria Kulawik
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.:/5 (18 download)
Download or read book Low-temperature Scanning Tunneling Microscopy Studies on Model Catalyysts written by Maria Kulawik and published by . This book was released on 2006 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P.W. Hawkes
Publisher : Springer Science & Business Media
ISBN 13 : 0387497625
Total Pages : 1336 pages
Book Rating : 4.3/5 (874 download)
Download or read book Science of Microscopy written by P.W. Hawkes and published by Springer Science & Business Media. This book was released on 2008-08-29 with total page 1336 pages. Available in PDF, EPUB and Kindle. Book excerpt: This fully corrected second impression of the classic 2006 text on microscopy runs to more than 1,000 pages and covers up-to-the-minute developments in the field. The two-volume work brings together a slew of experts who present comprehensive reviews of all the latest instruments and new versions of the older ones, as well as their associated operational techniques. The chapters draw attention to their principal areas of application. A huge range of subjects are benefiting from these new tools, including semiconductor physics, medicine, molecular biology, the nanoworld in general, magnetism, and ferroelectricity. This fascinating book will be an indispensable guide for a wide range of scientists in university laboratories as well as engineers and scientists in industrial R&D departments.
Author : Hui Wang
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (663 download)
Download or read book Low Temperature Scanning Tunneling Microscopy and Spectroscopy written by Hui Wang and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jeroen Walter Gerard Wildöer
Publisher :
ISBN 13 : 9789090095738
Total Pages : 107 pages
Book Rating : 4.0/5 (957 download)
Download or read book Low Temperature Scanning Tunneling Microscopy on Mesoscopic Systems written by Jeroen Walter Gerard Wildöer and published by . This book was released on 1996 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt: Zsfassung in niederländ. Sprache.
Author : Baird Bankovic
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (144 download)
Download or read book Restoration of a Low Temperature Scanning Tunneling Microscope written by Baird Bankovic and published by . This book was released on 2024 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scanning tunneling microscopy is a technique that enables the study of the surfaces of materials with sub-nanometer resolution. A scanning tunneling microscope (STM) gives local electronic information about the surface and is an invaluable analysis technique in modern condensed matter physics. The goal of my project was to restore an existing low temperature STM which had fallen into disrepair. This thesis outlines the restoration process, along with a description of the supporting techniques that were necessary. In parallel with the restoration process, I also developed an automated tungsten tip fabricator for making atomically sharp tips for the STM. This is an original design that I have shared on an open source website. Additionally, I explored the use of a low temperature transimpedance preamplifier that would improve the performance of our STM and tested a number of operational amplifiers that could be used to this end.
Author : Sylvain Clair
Publisher :
ISBN 13 :
Total Pages : 123 pages
Book Rating : 4.:/5 (853 download)
Download or read book Investigation of Low-dimensional Supramolecular Architectures by Low-temperature Scanning Tunneling Microscopy written by Sylvain Clair and published by . This book was released on 2004 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Patrick Echlin
Publisher : Springer Science & Business Media
ISBN 13 : 1489923020
Total Pages : 553 pages
Book Rating : 4.4/5 (899 download)
Download or read book Low-Temperature Microscopy and Analysis written by Patrick Echlin and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 553 pages. Available in PDF, EPUB and Kindle. Book excerpt: The frozen-hydrated specimen is the principal element that unifies the subject of low temperature microscopy, and frozen-hydrated specimens are what this book is all about. Freezing the sample as quickly as possible and then further preparing the specimen for microscopy or microanalysis, whether still embedded in ice or not: there seem to be as many variations on this theme as there are creative scientists with problems of structure and composition to investigate. Yet all share a body of com mon fact and theory upon which their work must be based. Low-Temperature Micros copy and Analysis provides, for the first time, a comprehensive treatment of all the elements to which one needs access. What is the appeal behind the use of frozen-hydrated specimens for biological electron microscopy, and why is it so important that such a book should now have been written? If one cannot observe dynamic events as they are in progress, rapid specimen freezing at least offers the possibility to trap structures, organelles, macro molecules, or ions and other solutes in a form that is identical to what the native structure was like at the moment of trapping. The pursuit of this ideal becomes all the more necessary in electron microscopy because of the enormous increase in resolution that is available with electron-optical instruments, compared to light optical microscopes.
Download or read book היחסים בין יהודים לערבים בישראל, והארגונים הציבוריים השוקדים על טיפוחם written by and published by . This book was released on 1971 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tomoko Shimizu
Publisher :
ISBN 13 :
Total Pages : 160 pages
Book Rating : 4.:/5 (34 download)
Download or read book Construction of a Low Temperature Ultra High Vacuum Scanning Tunneling/atomic Force Microscope written by Tomoko Shimizu and published by . This book was released on 2004 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Matthias Böhringer
Publisher :
ISBN 13 :
Total Pages : 147 pages
Book Rating : 4.:/5 (715 download)
Download or read book Low-temperature Scanning Tunneling Microscopy Studies of Organic Molecules on Noble Metal Surfaces written by Matthias Böhringer and published by . This book was released on 1997 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sergei Urazhdin
Publisher :
ISBN 13 :
Total Pages : 246 pages
Book Rating : 4.3/5 (129 download)
Download or read book Low Temperature Scanning Tunneling Microscopy Studies of the Surface and Impurity States in Narrow Gap Semiconductors written by Sergei Urazhdin and published by . This book was released on 2002 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. P. Fein
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (17 download)
Download or read book Scanning Tunneling Microscope for Low Temperature, High Magnetic Field, Spatially Resolved Spectroscopy written by A. P. Fein and published by . This book was released on 1987 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Zhang, Lei
Publisher : KIT Scientific Publishing
ISBN 13 : 386644950X
Total Pages : 116 pages
Book Rating : 4.8/5 (664 download)
Download or read book Sub-Kelvin scanning tunneling microscopy on magnetic molecules written by Zhang, Lei and published by KIT Scientific Publishing. This book was released on 2019-07-05 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.:/5 (8 download)
Download or read book Low Temperature Scanning Tunneling Microscopy Studies of Single Molecules Adsorbed on Thin Insulating Films written by and published by . This book was released on 2008 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present work is concentrated on the study of two isomers of an organic molecule -methylterrylene- adsorbed on a thin insulating _lm (a NaCl bi or tri-layer) deposited on a metallic substrate -Cu(111)-, by Scanning Tunneling Microscopy and Spectroscopy (STM and STS). Most STM studies of adsorbed atoms and molecules up to now have been performed on metallic or semiconducting surfaces. In this situation, the object is strongly electronically coupled to the substrate. The atomic or molecular levels are then shifted and broadened in energy, with the consequence that some of the intrinsic properties of the object are lost, to a more or less large extend. It has been shown recently that interposing between this object and the substrate an insulating leads to an efficient decoupling which allows to recover some of these properties. This decoupling effect of the insulating layer is at the center of the work reported here. Experiments where the molecules are directly adsorbed on the metal are compared with experiments where the molecule is decoupled from the Cu(111) surface by a NaCl bi-layer. The interpretation of these experimental results is supported and extended by current and image calculations with the Elastic Scattering Quantum Chemistry method where the structure of the Metal-insulating layer-molecule-metal junction is described at the atomic level. In the framework of molecular electronics, where the objective is to design and use molecules as electronic devices, understanding and controlling the coupling of a molecule to its environment is a central issue.
