Light Emission From Single Self Decoupled Molecules In A Scanning Tunnelling Microscope
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Light Emission From Single Self Decoupled Molecules In A Scanning Tunnelling Microscope
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Author : Rai, Vibhuti Narayan
language : en
Publisher: KIT Scientific Publishing
Release Date : 2022-10-04
Light Emission From Single Self Decoupled Molecules In A Scanning Tunnelling Microscope written by Rai, Vibhuti Narayan and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-10-04 with Science categories.
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.
Light Emission From Single Self Decoupled Molecules In A Scanning Tunnelling Microscope
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Author : Vibhuti Narayan Rai
language : en
Publisher:
Release Date : 2022
Light Emission From Single Self Decoupled Molecules In A Scanning Tunnelling Microscope written by Vibhuti Narayan Rai and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with Microscopes categories.
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.
Molecular Motor Based On Single Chiral Tripodal Molecules Studied With Stm
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Author : Skolaut, Julian
language : en
Publisher: KIT Scientific Publishing
Release Date : 2023-09-14
Molecular Motor Based On Single Chiral Tripodal Molecules Studied With Stm written by Skolaut, Julian and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-09-14 with categories.
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.
Local Probing Of A Superconductor S Quasiparticles And Bosonic Excitations With A Scanning Tunnelling Microscope
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Author : Gozlinski, Thomas
language : en
Publisher: KIT Scientific Publishing
Release Date : 2023-03-24
Local Probing Of A Superconductor S Quasiparticles And Bosonic Excitations With A Scanning Tunnelling Microscope written by Gozlinski, Thomas and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-03-24 with Science categories.
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.
Quantum Tunneling Of Josephson Vortices In High Impedance Long Junctions
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Author : Wildermuth, Matthias Micha
language : en
Publisher: KIT Scientific Publishing
Release Date : 2023-09-11
Quantum Tunneling Of Josephson Vortices In High Impedance Long Junctions written by Wildermuth, Matthias Micha and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-09-11 with categories.
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.
An Investigation Of Naphthalenediimides As Central Building Blocks In Model Compounds For Scanning Tunneling Microscope Induced Light Emission Experiments And F Rster Resonance Energy Transfer Studies
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Author : Sandro Gabutti
language : en
Publisher: Cuvillier Verlag
Release Date : 2010-03-19
An Investigation Of Naphthalenediimides As Central Building Blocks In Model Compounds For Scanning Tunneling Microscope Induced Light Emission Experiments And F Rster Resonance Energy Transfer Studies written by Sandro Gabutti and has been published by Cuvillier Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-03-19 with Science categories.
Scanning tunnelling microscopy (STM) is a powerful technique to observe surfaces at the atomic level. The resolution of this STM technique is good enough to study the electronic properties of single molecules adsorbed onto metallic substrates. An important step towards controllable single molecular technologies is the determination of how the molecule-substrate interaction changes the local molecular electronic structure. Since this electronic structure of molecules is strongly perturbed by the electrons of the underlying metallic substrate, an electronic decoupling of the molecules from the metal surface is required to isolate the electronic properties of an individual molecule. Förster resonance energy transfer (FRET) has found many applications in different fields of science, because it allows the determination of the distance between two chromophores in the 1-10 nm range. In addition to other factors, this energy transfer is also dependent on the relative orientation of donor and acceptor chromophores to each other. This thesis describes the design, synthesis and investigations of model compounds for: 1). STM induced light emission experiments from single molecules and 2). for FRET studies. Chapter 1 provides an introduction to cyclophanes, energy transfer and scanning tunnelling microscopy. Chapter 2 gives a description of the aims of this work, which is split into the synthesis of cyclophanes for STM induced luminescence investigations and FRET studies. The later is complemented by the synthesis of a linear NDI system. Chapter 3 describes the design, synthesis and characterisation of all model compounds. In the first half STM investigations are presented and the electronic structure of two cyclophanes and complexation studies of the crown ether model compound are discussed. In the second half a modular synthetic route to asymmetric N,N’-naphthalenediimides is presented for FRET studies. Chapter 4 gives a summary of this thesis and presents a short outlook. Chapter 5 provides the synthesis and characterisation of all the compounds listed in this thesis and experimental details for STM investigations.
Electroluminescence From Plasmonic Excitations In A Scanning Tunnelling Microscope
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Author : Edelmann, Kevin
language : en
Publisher: KIT Scientific Publishing
Release Date : 2019-07-03
Electroluminescence From Plasmonic Excitations In A Scanning Tunnelling Microscope written by Edelmann, Kevin and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-03 with Science categories.
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.
Molecular Electronics An Introduction To Theory And Experiment 2nd Edition
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Author : Elke Scheer
language : en
Publisher: World Scientific
Release Date : 2017-05-19
Molecular Electronics An Introduction To Theory And Experiment 2nd Edition written by Elke Scheer and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-19 with Technology & Engineering categories.
Molecular Electronics is self-contained and unified in its presentation. It can be used as a textbook on nanoelectronics by graduate students and advanced undergraduates studying physics and chemistry. In addition, included in this new edition are previously unpublished material that will help researchers gain a deeper understanding into the basic concepts involved in the field of molecular electronics.
Introduction To Scanning Tunneling Microscopy
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Author : C. Julian Chen
language : en
Publisher:
Release Date : 2021
Introduction To Scanning Tunneling Microscopy written by C. Julian Chen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with Scanning tunneling microscopy categories.
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. This is a reference book on the topic.
Visualizing Chemistry
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2006-06-01
Visualizing Chemistry written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-06-01 with Science categories.
Scientists and engineers have long relied on the power of imaging techniques to help see objects invisible to the naked eye, and thus, to advance scientific knowledge. These experts are constantly pushing the limits of technology in pursuit of chemical imagingâ€"the ability to visualize molecular structures and chemical composition in time and space as actual events unfoldâ€"from the smallest dimension of a biological system to the widest expanse of a distant galaxy. Chemical imaging has a variety of applications for almost every facet of our daily lives, ranging from medical diagnosis and treatment to the study and design of material properties in new products. In addition to highlighting advances in chemical imaging that could have the greatest impact on critical problems in science and technology, Visualizing Chemistry reviews the current state of chemical imaging technology, identifies promising future developments and their applications, and suggests a research and educational agenda to enable breakthrough improvements.