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Design And Calibration Of A Vacuum Compatible Scanning Tunneling Microscope
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Author :National Aeronautics and Space Adm Nasa Publisher :Independently Published ISBN 13 :9781792073571 Total Pages :30 pages Book Rating :4.0/5 (735 download)
Book Synopsis Design and Calibration of a Vacuum Compatible Scanning Tunneling Microscope by : National Aeronautics and Space Adm Nasa
Download or read book Design and Calibration of a Vacuum Compatible Scanning Tunneling Microscope written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-12-28 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: A vacuum compatible scanning tunneling microscope was designed and built, capable of imaging solid surfaces with atomic resolution. The single piezoelectric tube design is compact, and makes use of sample mounting stubs standard to a commercially available surface analysis system. Image collection and display is computer controlled, allowing storage of images for further analysis. Calibration results from atomic scale images are presented. Abel, Phillip B. Glenn Research Center NASA-TM-102514, E-5317, NAS 1.15:102514 RTOP 506-43-11...
Book Synopsis Design and Calibration of a Vacuum Compatible Scanning Tunneling Microscope by :
Download or read book Design and Calibration of a Vacuum Compatible Scanning Tunneling Microscope written by and published by . This book was released on 1990 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Calibration of a Scanning Tunneling Microscope for Large Machined Surfaces by :
Download or read book Design and Calibration of a Scanning Tunneling Microscope for Large Machined Surfaces written by and published by . This book was released on 1988 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the last year the large sample STM has been designed, built and used for the observation of several different samples. Calibration of the scanner for prope dimensional interpretation of surface features has been a chief concern, as well as corrections for non-linear effects such as hysteresis during scans. Several procedures used in calibration and correction of piezoelectric scanners used in the laboratorys STMs are described.
Download or read book NASA Tech Briefs written by and published by . This book was released on 1993 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 994 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scanning Probe Microscopy by : Ernst Meyer
Download or read book Scanning Probe Microscopy written by Ernst Meyer and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by three leading experts in the field, this textbook describes and explains all aspects of the scanning probe microscopy. Emphasis is placed on the experimental design and procedures required to optimize the performance of the various methods. Scanning Probe Microscopy covers not only the physical principles behind scanning probe microscopy but also questions of instrumental designs, basic features of the different imaging modes, and recurring artifacts. The intention is to provide a general textbook for all types of classes that address scanning probe microscopy. Third year undergraduates and beyond should be able to use it for self-study or as textbook to accompany a course on probe microscopy. Furthermore, it will be valuable as reference book in any scanning probe microscopy laboratory. Novel applications and the latest important results are also presented, and the book closes with a look at the future prospects of scanning probe microscopy, also discussing related techniques in nanoscience. Ideally suited as an introduction for graduate students, the book will also serve as a valuable reference for practising researchers developing and using scanning probe techniques.
Book Synopsis Design of a Scanning Tunneling Microscope by : Shannon Yee
Download or read book Design of a Scanning Tunneling Microscope written by Shannon Yee and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Applications in nanotechnology require the use of tools that can help visualize and manipulate structures at the nanoscale. A scanning tunneling microscope (STM) is a visualization tool that utilizes the quantum mechanical phenomenon of electron tunneling to image features and structures at these small scales. Tunneling results when a metallic probe tip is brought sufficiently close to an electrically conducting, biased sample without making physical contact. A small current is drawn as electrons jump (tunnel) across the gap between the tip and the sample. This current is so small that the medium between the tip and the sample does not break down and become electrically conducting. Once a tunneling current is drawn between the tip and the sample, which are separated by a gap, feedback controls in conjunction with piezoelectric actuators adjust the gap distance in such a way as to maintain a constant tunneling current as the tip scans across the sample surface. STMs utilize this monitoring of the gap adjustment in order to produce images of the sample surface with potentially near atomic resolution. The first STM was developed by Binnig and Rohrer in 1981 and these microscopes are now commercially available. Commercial microscopes, however, are expensive, and not easily integrated with other experiments and processes in the laboratory. The goal of this work is to design and build a relatively inexpensive STM in order to serve as a basic laboratory research apparatus that could be utilized in nanotechnology research. This approach consists of using off-the-shelf components and instrumentation commonly found in a university laboratory (such as oscilloscopes and multimeters) to construct a STM. Automatic feedback controls serve to acquire data and control the piezoelectric actuators to sub-nanometer displacements in order to obtain and maintain a tunneling current. This data is then recorded and analyzed by imaging software developed in MATLAB in order to produce topographical images of samples. A commercially available gold grid is successfully imaged and used as a calibration tool to quantify images of other samples such as a gold film on an alumina substrate. This home-made instrument is potentially capable of imaging surfaces with resolution comparable to those attainable with commercial STMs if placed under vacuum. This work turns into reality the goal of rendering a STM a laboratory instrument as quotidian as an oscilloscope for nanotechnology research.
Download or read book Index to ... NASA Tech Briefs written by and published by . This book was released on with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design of a novel ultra-high vacuum scanning tunneling microscope and application in the identification of the facet planes of TiO2(001) rutile by : Gregory Ernest Poirier
Download or read book Design of a novel ultra-high vacuum scanning tunneling microscope and application in the identification of the facet planes of TiO2(001) rutile written by Gregory Ernest Poirier and published by . This book was released on 1991 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Construction of a Scanning Tunneling Microscope for Atomic Scale Imaging of Surfaces in Ultra-high Vacuum by : Robert S. Kilbourn
Download or read book Design and Construction of a Scanning Tunneling Microscope for Atomic Scale Imaging of Surfaces in Ultra-high Vacuum written by Robert S. Kilbourn and published by . This book was released on 2010 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Construction of a Vacuum Compatible Near-field Scanning Optical Microscope by : Kristin Leigh Galbally
Download or read book Design and Construction of a Vacuum Compatible Near-field Scanning Optical Microscope written by Kristin Leigh Galbally and published by . This book was released on 2002 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Design, Construction and Use of a Low-temperature, Ultra High Vacuum Scanning Tunneling Microscope for Reaction Studies by : Ashley R. Gans-Forrest
Download or read book The Design, Construction and Use of a Low-temperature, Ultra High Vacuum Scanning Tunneling Microscope for Reaction Studies written by Ashley R. Gans-Forrest and published by . This book was released on 2017 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scanning Tunneling Microscopy and Its Application by : Chunli Bai
Download or read book Scanning Tunneling Microscopy and Its Application written by Chunli Bai and published by Springer Science & Business Media. This book was released on 2000-08-10 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a unified view of the rapidly growing field of scanning tunneling microscopy and its many derivatives. After examining novel scanning-probe techniques and the instrumentation and methods, the book provides detailed accounts of STM applications. It examines limitations of the present-day investigations and provides insight into further trends. "I strongly recommend that Professor Bai's book be a part of any library that serves surface scientists, biochemists, biophysicists, material scientists, and students of any science or engineering field...There is no doubt that this is one of the better (most thoughtful) texts." Journal of the American Chemical Society (Review of 1/e)
Book Synopsis Design and Construction of an Ultra-high Vacuum System for Scanning Tunneling Microscopy and Use of it in the Study of Clean Ge(111) and Sn on Ge(111) by : Scott K. Lewis
Download or read book Design and Construction of an Ultra-high Vacuum System for Scanning Tunneling Microscopy and Use of it in the Study of Clean Ge(111) and Sn on Ge(111) written by Scott K. Lewis and published by . This book was released on 1992 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scanning Tunneling Microscopy by : H. Neddermeyer
Download or read book Scanning Tunneling Microscopy written by H. Neddermeyer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: The publication entitled "Surface Studies by Scanning Tunneling Mi Rl croscopy" by Binnig, Rohrer, Gerber and Weibel of the IBM Research Lab oratory in Riischlikon in 1982 immediately raised considerable interest in the sur face science community. It was demonstrated in Reference R1 that images from atomic structures of surfaces like individual steps could be obtained simply by scanning the surface with a sharp metal tip, which was kept in a constant distance of approximately 10 A from the sample surface. The distance control in scanning tunneling microscopy (STM) was realized by a feedback circuit, where the electri cal tunneling current through the potential barrier between tip and sample is used for regulating the tip position with a piezoelectric xyz-system. A similar experi mental approach has already been described by Young et al. for the determination l of the macroscopic roughness of a surface. A number of experimental difficulties had to be solved by the IBM group until this conceptual simple microscopic method could be applied successfully with atomic resolution. Firstly, distance and scanning control of the tip have to be operated with sufficient precision to be sensitive to atomic structures. Secondly, sample holder and tunneling unit have to be designed in such a way that external vibrations do not influence the sample-tip distance and that thermal or other drift effects become small enough during measurement of one image.
Book Synopsis Scanning Tunneling Microscopy III by : Roland Wiesendanger
Download or read book Scanning Tunneling Microscopy III written by Roland Wiesendanger and published by Springer Science & Business Media. This book was released on 2013-03-07 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scanning Tunneling Microscopy III provides a unique introduction to the theoretical foundations of scanning tunneling microscopy and related scanning probe methods. The different theoretical concepts developed in the past are outlined, and the implications of the theoretical results for the interpretation of experimental data are discussed in detail. Therefore, this book serves as a most useful guide for experimentalists as well as for theoreticians working in the field of local probe methods. In this second edition the text has been updated and new methods are discussed.
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1990 with total page 1022 pages. Available in PDF, EPUB and Kindle. Book excerpt:
