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Investigation Of Magnetic Adatoms With Scanning Tunneling Techniques
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Book Synopsis Investigation of Magnetic Adatoms with Scanning Tunneling Techniques by : Maerkl, Junji Tobias
Download or read book Investigation of Magnetic Adatoms with Scanning Tunneling Techniques written by Maerkl, Junji Tobias and published by KIT Scientific Publishing. This book was released on 2016-01-20 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this work, magnetic atoms on surfaces are studied with low-temperature scanning tunneling microscopy. Motivated by the idea to use single atoms as magnetic bits, the factors that allow or prevent long-term stability of their magnetic moments are investigated. Lifetimes of up to several minutes can be achieved for the magnetic moments of holmium atoms on a Pt(111) surface, resulting from the combined symmetries of the system. Corresponding theoretical calculations are presented and evaluated.
Book Synopsis Local Investigation of Single Magnetic Molecules with Scanning Tunneling Microscopy by : Chen, Jinjie
Download or read book Local Investigation of Single Magnetic Molecules with Scanning Tunneling Microscopy written by Chen, Jinjie and published by KIT Scientific Publishing. This book was released on 2019-01-18 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: We worked on different magnetic molecules containing 3d and 4f magnetic centers. Their growth on metallic surfaces, topographies, spin states, magnetic properties and electron transport were locally investigated by using scanning tunneling microscopy (STM) at temperatures down to 30mK. The main achievement of this dissertation reveals the abrupt switching of crystal fields during formation of molecular contacts.
Book Synopsis Sub-Kelvin scanning tunneling microscopy on magnetic molecules by : Zhang, Lei
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:
Book Synopsis Light Emission from Single Self-decoupled Molecules in a Scanning Tunnelling Microscope by : Rai, Vibhuti Narayan
Download or read book Light Emission from Single Self-decoupled Molecules in a Scanning Tunnelling Microscope written by Rai, Vibhuti Narayan and published by KIT Scientific Publishing. This book was released on 2022-10-04 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this work, a clear pathway is presented to achieve well-defined electronically decoupled chromophores from metallic leads without requiring additional insulating layers. To study such self-decoupled molecules, STM equipped with an efficient light detection setup has been used. Results show that the chromophores mounted on tripodal molecular platforms adsorbed on a gold surface present well-defined and efficient electroluminescence down to the single-molecule level.
Book Synopsis Elastic and Inelastic Scanning Tunneling Spectroscopy on Iron-Based Superconductors by : Jandke, Jasmin Maria
Download or read book Elastic and Inelastic Scanning Tunneling Spectroscopy on Iron-Based Superconductors written by Jandke, Jasmin Maria and published by KIT Scientific Publishing. This book was released on 2019-05-02 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: Within this work, the pairing mechanism of conventional (Pb) and unconventional superconductors (SrFe2(As1-xPx )2 , FeSe, FeSe/STO) was investigated experimentally by means of elastic and inelastic tunneling spectroscopy at temperatures down to 30 mK. The distinction between elastic and inelastic contributions to tunneling data was elaborated. The results help to identify conventional (phonon-mediated) and unconventional (e.g. spin-?uctuation mediated) superconductivity.
Book Synopsis Electroluminescence from Plasmonic Excitations in a Scanning Tunnelling Microscope by : Edelmann, Kevin
Download or read book Electroluminescence from Plasmonic Excitations in a Scanning Tunnelling Microscope written by Edelmann, Kevin and published by KIT Scientific Publishing. This book was released on 2019-07-03 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work presents the design and commissioning of a new low-temperature Scanning Tunnelling Microscope equipped with an innovative light collection setup using an integrated, micro-fabricated mirror tip. Commissioning experiments demonstrate the capabilities of this new instrument and reproduce known effects regarding gap plasmons on noble-metal surfaces. Furthermore, different contrasts in the plasmon-mediated light emission from Cobalt nano-islands on a Copper (111) substrate are reported.
Book Synopsis Local Probing of a Superconductor’s Quasiparticles and Bosonic Excitations with a Scanning Tunnelling Microscope by : Gozlinski, Thomas
Download or read book Local Probing of a Superconductor’s Quasiparticles and Bosonic Excitations with a Scanning Tunnelling Microscope written by Gozlinski, Thomas and published by KIT Scientific Publishing. This book was released on 2023-03-24 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: Complementary to scattering techniques, scanning tunnelling microscopy provides atomic-scale real space information about a material's electronic state of matter. State-of-the-art designs of a scanning tunnelling microscope (STM) allow measurements at millikelvin temperatures with unprecedented energy resolution. Therefore, this instrument excels in probing the superconducting state at low temperatures and especially its local quasiparticle excitations as well as bosonic degrees of freedom.
Book Synopsis Quantum Tunneling of Josephson Vortices in High-Impedance Long Junctions by : Wildermuth, Matthias Micha
Download or read book Quantum Tunneling of Josephson Vortices in High-Impedance Long Junctions written by Wildermuth, Matthias Micha and published by KIT Scientific Publishing. This book was released on 2023-09-11 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the last decades, superconducting devices have emerged as a promising platform for quantum technologies, including quantum sensing and quantum computing. Their key elements are Josephson junctions, which allow for coherent supercurrent tunneling between two weakly linked superconductors. If such a junction is extended in one direction to a long junction, the superconducting phase difference can vary in space and time and may allow for quantized phase windings that drive supercurrent vortices.
Book Synopsis Adding nonlinearity to an electromagnetic-magnonic quantum hybrid device by : Pfirrmann, Marco
Download or read book Adding nonlinearity to an electromagnetic-magnonic quantum hybrid device written by Pfirrmann, Marco and published by KIT Scientific Publishing. This book was released on 2020-10-05 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, hybrid systems based on yttrium-iron-garnet (YIG), three dimensional microwave cavity resonators, and superconducting transmon qubits, are investigated by continuous wave and pulsed microwave spectroscopy. Limitations to the magnetic linewidth in the quantum regime are identified and coherent exchange between a magnon and a superconducting qubit are demonstrated. Finally, a first step towards a strongly coupled hybrid system containing all three components is demonstrated.
Book Synopsis Granular aluminium superinductors by : Grünhaupt, Lukas
Download or read book Granular aluminium superinductors written by Grünhaupt, Lukas and published by KIT Scientific Publishing. This book was released on 2019-10-24 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Resolving locations of defects in superconducting transmon qubits by : Bilmes, Alexander
Download or read book Resolving locations of defects in superconducting transmon qubits written by Bilmes, Alexander and published by KIT Scientific Publishing. This book was released on 2019-12-09 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Quantum Sensing Experiments with Superconducting Qubits by : Schneider, Andre
Download or read book Quantum Sensing Experiments with Superconducting Qubits written by Schneider, Andre and published by KIT Scientific Publishing. This book was released on 2021-06-04 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum sensing is a vast and emerging field enabling in-situ studies of quantum systems and hence the development of quantum hybrid systems. This work creates the fundament of direct superconducting-magnetic hybrid systems by developing a local microwave sensing scheme and studying the influence of a static magnetic field on a superconducting qubit. Finally, a proof-of-principle hybrid system is demonstrated, which opens the path towards superconducting-magnetic quantum circuits.
Book Synopsis Molecular Motor Based on Single Chiral Tripodal Molecules Studied with STM by : Skolaut, Julian
Download or read book Molecular Motor Based on Single Chiral Tripodal Molecules Studied with STM written by Skolaut, Julian and published by KIT Scientific Publishing. This book was released on 2023-09-14 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work presents a single molecular motor driven by the current in an STM. Its chiral functional group is supposed to perform a rotation in a preferred direction, proven by Binomial tests to be statistically significant. The rotation is proposedly driven by the chiral-induced spin selectivity effect (CISS). However, the studies of the rotation on the dependence on the lateral tip position, voltage and current indicate that he CISS is unlikely to cause the preferred rotation direction.
Book Synopsis Scanning Tunneling Spectroscopy of Magnetic Bulk Impurities by : Henning Prüser
Download or read book Scanning Tunneling Spectroscopy of Magnetic Bulk Impurities written by Henning Prüser and published by Springer. This book was released on 2014-07-23 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetic impurities in a non-magnetic host metal have been actively explored in condensed matter physics in recent last decades. From both fundamental and applied viewpoints these systems are very interesting because they can exhibit strong electronic correlations that give rise to various fascinating phenomena beyond the single particle picture. Up to now our understanding of the underlying processes remains limited due to difficulties involved in measuring these systems on a microscopic scale. With their unique control, scanning tunneling microscopy (STM) and spectroscopy (STS) allow for the first time investigations of phenomena occurring on very small length and energy scales. Here, single magnetic iron and cobalt atoms embedded beneath a metal surface are investigated using these techniques. In particular, the transition from single impurity Kondo physics to two interacting impurities is studied in real space. This thesis contains a comprehensive description of the STM /STS technique, sub-surface impurities, as well as single- and two-impurity Kondo physics - and as such offers a valuable introduction to newcomers to the field.
Book Synopsis Magnetic Anisotropies in Nanostructured Matter by : Peter Weinberger
Download or read book Magnetic Anisotropies in Nanostructured Matter written by Peter Weinberger and published by CRC Press. This book was released on 2008-12-17 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the Top Selling Physics Books according to YBP Library ServicesMagnetic Anisotropies in Nanostructured Matter presents a compact summary of all the theoretical means to describe magnetic anisotropies and interlayer exchange coupling in nanosystems. The applications include free and capped magnetic surfaces, magnetic atoms on metallic substra
Book Synopsis Electron Correlation in New Materials and Nanosystems by : Kurt Scharnberg
Download or read book Electron Correlation in New Materials and Nanosystems written by Kurt Scharnberg and published by Springer Science & Business Media. This book was released on 2007-05-24 with total page 429 pages. Available in PDF, EPUB and Kindle. Book excerpt: The articles collected in this book cover a wide range of materials with extraordinary superconducting and magnetic properties. For many of the materials studied, strong electronic correlations provide a link between these two phenomena which were long thought to be highly antagonistic. The book reports both the progress in our understanding of fundamental physical processes and the advances made towards the development of devices.
Book Synopsis Nanoelectronics and Information Technology by : Rainer Waser
Download or read book Nanoelectronics and Information Technology written by Rainer Waser and published by John Wiley & Sons. This book was released on 2012-05-29 with total page 1041 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fachlich auf höchstem Niveau, visuell überzeugend und durchgängig farbig illustriert: Das ist die neue Auflage der praxisbewährten Einführung in spezialisierte elektronische Materialien und Bauelemente aus der Informationstechnologie. Über ein Drittel des Inhalts ist neu, alle anderen Beiträge wurden gründlich überarbeitet und aktualisiert.
