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Scanning Tunneling Microscopy And Spectroscopy Of Topological Materials With Broken Symmetry
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Book Synopsis Scanning Tunneling Microscopy and Spectroscopy of Topological Materials with Broken Symmetry by : Kane Lee Scipioni
Download or read book Scanning Tunneling Microscopy and Spectroscopy of Topological Materials with Broken Symmetry written by Kane Lee Scipioni and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scanning Tunneling Microscopy Study of Defects and Devices in Topological Materials by : Michael Gottschalk
Download or read book Scanning Tunneling Microscopy Study of Defects and Devices in Topological Materials written by Michael Gottschalk and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Topological phases in condensed matter systems have received tremendous interest in the past two decades. Theoretical work has shown how topological invariants can be calculated from the band structures in a wide range of insulating systems that contain an energy gap. Broadly speaking, these topological invariants are quantities that are invariant under continuous deformation so long as specific symmetries hold and the energy gap stays open. What separates topological states of matter from traditional phases is the concept of bulk-boundary correspondence. The topology of the vacuum is trivial, so if the bulk of a material is topologically non-trivial, the energy gap must close at the boundary between the two. This creates conducting states at the boundaries, or edges, of the material; the conducting states within the gap have specific properties. Strong, 3Dtopological insulators, such as Bi2Se3 , are materials that are insulating in the bulk with conducting surface states due to bulk-boundary correspondence. The surface states are topologically protected from local perturbations and feature a linear dispersion relation, known as the Dirac cone. Bi2Se3is one of the most widely studied topological insulators due to the relative simplicity of its band structure with a single Dirac cone. In this work, I study the effects of N2 gas on the surface states of Bi2Se3 , which appears to p-type dope the density of states spectra measured with a scanning tunneling microscope. Topological superconductors have also garnered great interest for their potential applications in topological quantum computing. The second half of this dissertation is focused on describing, fabricating, and measuring a potential platform for a possible topological superconducting state known as a Majorana zero mode. These devices feature Nb sputtered onBi2Se3 that is patterned into Josephson junctions with e-beam lithography techniques.
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 Introduction to Scanning Tunneling Microscopy by : C. Julian Chen
Download or read book Introduction to Scanning Tunneling Microscopy written by C. Julian Chen and published by Oxford University Press. This book was released on 1993-05-20 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to its nondestructive imaging power, scanning tunneling microscopy has found major applications in the fields of physics, chemistry, engineering, and materials science. This book provides a comprehensive treatment of scanning tunneling and atomic force microscopy, with full coverage of the imaging mechanism, instrumentation, and sample applications. The work is the first single-author reference on STM and presents much valuable information previously available only as proceedings or collections of review articles. It contains a 32-page section of remarkable STM images, and is organized as a self-contained work, with all mathematical derivations fully detailed. As a source of background material and current data, the book will be an invaluable resource for all scientists, engineers, and technicians using the imaging abilities of STM and AFM. It may also be used as a textbook in senior-year and graduate level STM courses, and as a supplementary text in surface science, solid-state physics, materials science, microscopy, and quantum mechanics.
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 Scanning Probe Microscopy and Spectroscopy by : Roland Wiesendanger
Download or read book Scanning Probe Microscopy and Spectroscopy written by Roland Wiesendanger and published by Cambridge University Press. This book was released on 1994-09-29 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt: The investigation and manipulation of matter on the atomic scale have been revolutionised by scanning tunnelling microscopy and related scanning probe techniques. This book is the first to provide a clear and comprehensive introduction to this subject. Beginning with the theoretical background of scanning tunnelling microscopy, the design and instrumentation of practical STM and associated systems are described in detail, as are the applications of these techniques in fields such as condensed matter physics, chemistry, biology, and nanotechnology. Containing 350 illustrations, and over 1200 references, this unique book represents an ideal introduction to the subject for final-year undergraduates in physics or materials science. It will also be invaluable to graduate students and researchers in any branch of science where scanning probe techniques are used.
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 2012-12-06 with total page 316 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 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 described in Vol. I, these sudies may be performed in air and in liquids. The extensions of the basic technique to map other interactions are described inchapters on scanning force microscopy, magnetic force microscopy, scanning near-field optical microscopy, together with a survey of other related techniques. Also described here is the use of a scanning proximal probe for surface modification. Togehter, the two volumes give a comprehensive account of experimental aspcets of STM. They provide essentialreading and reference material for all students and researchers involvedin this field.
Book Synopsis Introduction to Scanning Tunneling Microscopy Third Edition by : C. Julian Chen
Download or read book Introduction to Scanning Tunneling Microscopy Third Edition written by C. Julian Chen and published by Oxford University Press. This book was released on 2021-03-04 with total page 523 pages. Available in PDF, EPUB and Kindle. Book excerpt: The scanning tunnelling microscope (STM) was invented by Binnig and Rohrer and received a Nobel Prize of Physics in 1986. Together with the atomic force microscope (AFM), it provides non-destructive atomic and subatomic resolution on surfaces. Especially, in recent years, internal details of atomic and molecular wavefunctions are observed and mapped with negligible disturbance. Since the publication of its first edition, this book has been the standard reference book and a graduate-level textbook educating several generations of nano-scientists. In Aug. 1992, the co-inventor of STM, Nobelist Heinrich Rohrer recommended: "The Introduction to Scanning tunnelling Microscopy by C.J. Chen provides a good introduction to the field for newcomers and it also contains valuable material and hints for the experts". For the second edition, a 2017 book review published in the Journal of Applied Crystallography said "Introduction to Scanning tunnelling Microscopy is an excellent book that can serve as a standard introduction for everyone that starts working with scanning probe microscopes, and a useful reference book for those more advanced in the field". The third edition is a thoroughly updated and improved version of the recognized "Bible" of the field. Additions to the third edition include: theory, method, results, and interpretations of the non-destructive observation and mapping of atomic and molecular wavefunctions; elementary theory and new verifications of equivalence of chemical bond interaction and tunnelling; scanning tunnelling spectroscopy of high Tc superconductors; imaging of self-assembled organic molecules on the solid-liquid interfaces. Some key derivations are rewritten using mathematics at an undergraduate level to make it pedagogically sound.
Book Synopsis An Investigation of Materials at the Intersection of Topology and Magnetism Using Scanning Tunneling Microscopy by : Robert Conner Walko
Download or read book An Investigation of Materials at the Intersection of Topology and Magnetism Using Scanning Tunneling Microscopy written by Robert Conner Walko and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Material systems that combine magnetism and topology have garnered intense interest recently due to predictions of a variety of phenomena such as the quantum anomalous Hall effect, chiral topological edge states, magnetoelectric effects, and Weyl semimetal and axion insulator phases. In this dissertation scanning tunneling microscopy (STM) and scanning tunneling spectroscopy (STS) are used to investigate the structural and electronic properties of several materials that exist at the intersection of topology and magnetism such as topological insulators, van der Waals layered materials, two-dimensional magnets, and intrinsic magnetic topological insulators. Specifically, STM was used to confirm the growth quality and properties of thin films grown by molecular beam epitaxy including Bi2Se3, SnSe2, MnSe, and Fe3GeTe2. In the van der Waals heterostructure SnSe2/Bi2Se3 a moiré pattern was observed which was found to be correlated to a set of localized electronic states in STS measurements. STM was also used to provide feedback for the growth of the heterostructure MnSe/Bi2Se3, which led to successful growth of partial monolayers of MnSe. In Fe3GeTe2, a magnetic field dependent Kondo lattice behavior was observed as well as a ferromagnetic hysteresis loop using spin-polarized STM. In addition, this work reports the first STM study of the recently experimentally verified intrinsic antiferromagnetic topological insulator (AFM TI) MnBi2Se4. Its atomic and layered properties are found to reasonably match theoretical predictions. Two different terminations of its layered structure are observed on the surface with distinct electronic properties. In-gap states are observed near some step edges which could be related to predicted topological edge states. Another AFM TI, the related material MnBi2Te4, was also studied in which nanoscale surface manipulation using an STM tip was demonstrated.
Author :Hans-Joachim Güntherodt Publisher :Springer Science & Business Media ISBN 13 :3642973434 Total Pages :252 pages Book Rating :4.6/5 (429 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 2012-12-06 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scanning Tunneling Microscopy I provides a unique introduction to a novel and fascinating technique that produces beautiful images of nature on an atomic scale. It is the first of three volumes that together offer a comprehensive treatment of scanning tunneling microscopy, its diverse applications, and its theoretical treatment. In this volume the reader will find a detailed description of the technique itself and of its applications to metals, semiconductors, layered materials, adsorbed molecules and superconductors. In addition to the many representative results reviewed, extensive references to original work will help to make accessible the vast body of knowledge already accumulated in this field.
Book Synopsis Spectroscopy and Characterization of Nanomaterials and Novel Materials by : Prabhakar Misra
Download or read book Spectroscopy and Characterization of Nanomaterials and Novel Materials written by Prabhakar Misra and published by John Wiley & Sons. This book was released on 2022-04-08 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spectroscopy and Characterization of Nanomaterials and Novel Materials Comprehensive overview of nanomaterial characterization methods and applications from leading researchers in the field In Spectroscopy and Characterization of Nanomaterials and Novel Materials: Experiments, Modeling, Simulations, and Applications, the editor Prabhakar Misra and a team of renowned contributors deliver a practical and up-to-date exploration of the characterization and applications of nanomaterials and other novel materials, including quantum materials and metal clusters. The contributions cover spectroscopic characterization methods for obtaining accurate information on optical, electronic, magnetic, and transport properties of nanomaterials. The book reviews nanomaterial characterization methods with proven relevance to academic and industry research and development teams, and modern methods for the computation of nanomaterials’ structure and properties - including machine-learning approaches - are also explored. Readers will also find descriptions of nanomaterial applications in energy research, optoelectronics, and space science, as well as: A thorough introduction to spectroscopy and characterization of graphitic nanomaterials and metal oxides Comprehensive explorations of simulations of gas separation by adsorption and recent advances in Weyl semimetals and axion insulators Practical discussions of the chemical functionalization of carbon nanotubes and applications to sensors In-depth examinations of micro-Raman imaging of planetary analogs Perfect for physicists, materials scientists, analytical chemists, organic and polymer chemists, and electrical engineers, Spectroscopy and Characterization of Nanomaterials and Novel Materials: Experiments, Modeling, Simulations, and Applications will also earn a place in the libraries of sensor developers and computational physicists and modelers.
Book Synopsis Scanning Tunneling Microscopy and Spectroscopy by : Dawn Bonnell
Download or read book Scanning Tunneling Microscopy and Spectroscopy written by Dawn Bonnell and published by Wiley. This book was released on 1993-03-29 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scanning tunneling microscopy (STM) provides three-dimensional real- space images of surfaces at high spatial resolution. When the surface is flat and clean, even atoms can be imaged. Its extreme usefulness has led it to near instantaneous acceptance as a characterization tool. This book covers fundamental concepts of STM operation, image interpretation, instrumentation, and techniques for various applications. It als contains advanced treatments of theory and spectroscopy. Surface physicists, electrochemists, materials scientists, and other scientists who see a use for STM will find the depth of coverage and accompanying reference lists in this book essential to their work. In addition, those who wish to add the capabilities of probe microscopy to their operations, such as microscopists and quality control engineers, will find the basic information in this book.
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. This book was released on 1994-10-24 with total page 280 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 and Spectroscopy of Aluminum Based Quasicrystals and Approximants by : Ruben Rafael Mäder
Download or read book Scanning Tunneling Microscopy and Spectroscopy of Aluminum Based Quasicrystals and Approximants written by Ruben Rafael Mäder and published by Logos Verlag Berlin GmbH. This book was released on 2010 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: On the nanometer scale, the local variation of the electronic density of states of aluminum based complex metallic alloys (quasicrystals and approximants) is experimentally investigated by low temperature scanning tunneling spectroscopy. We report on the correlation between the local variations of the electronic density of states and the electrical resistivity. The surface structure is investigated by scanning tunneling microscopy, low energy electron diffraction, and X-ray photoemission diffraction. Experimental results are interpreted on the basis of the respective bulk structure models.
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 Scanning Tunneling Microscopy Study on Superlattice Topological Materials by : 張昱
Download or read book Scanning Tunneling Microscopy Study on Superlattice Topological Materials written by 張昱 and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scanning Tunneling Microscopy of Complex Electronic Materials by : Aleksandra T. Tomic
Download or read book Scanning Tunneling Microscopy of Complex Electronic Materials written by Aleksandra T. Tomic and published by . This book was released on 2008 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
