Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 13 of 13 for “"Break-junction"”.
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Measurement and Visualization of Electron Transfer at the Single Molecule Level
… with thiol and carbodithioate linkers, using STM break-junction and non-equilibrium Green's function methods. The STM break-junction method utilizes repeatedly formed circuits where one or a few molecules are trapped between two electrodes, at least one of which has nanoscale dimensions. The …
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Force and Conductance Spectroscopy of Single Molecule Junctions
… of mechanical properties of single molecule junctions is crucial to develop an understanding and enable control of single molecular junctions. This work presents an experimental and analytical approach that enables the statistical evaluation of force and simultaneous conductance data of …
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Josephson Currents In Two-Gap Superconductor-Insulator- Superconductor Junctions
… of superconductor-insulator-superconductor (SIS) junction with two-gap superconductors such as MgB2 and iron superconductors, we study the microscopic structure of the Josephson current in a tunnel junction with a very narrow quasi-classical barrier. Also, the possibility of mid-gap states in …
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Sequence and structural effects on molecular conductance of bioinspired peptoid oligomers
… oligomers uses the scanning tunneling microscopy break-junction (STM-BJ) method build upon previous studies on the effect of sequence and molecular conformation and secondary structure in synthetic organic molecules and peptides on molecular charge transport. Despite recent progress, understanding …
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Linear Conjugated Molecular Wires: Organic Materials and Single-Molecule Electronics
… and the performance of their single-molecule junctions. The electrical as well as mechanical characteristics of single-molecular junctions were measured using the scanning tunneling-based break junction (STM-BJ) and atomic force microscope-based break junction (AFM-BJ) techniques. In addition, …
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Single Molecule Junction Conductance and Binding Geometry
… properties of single organic molecule-metal junctions. Using a Scanning Tunneling Microscope (STM) we image, probe energy-level alignment and perform STM-based break junction (BJ) measurements on molecules bound to a gold surface. Using Scanning Tunneling Microscope-based break-junction …
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Probing Electronic and Thermoelectric Properties of Single Molecule Junctions
… the transport properties of single molecule junctions. To carry out these transport measurements, we use the scanning tunneling microscope-break junction (STM-BJ) technique, which involves the repeated formation and breakage of a metal point contact in an environment of the target molecule. …
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Quantum theory of electronic and thermal transport through nano-scale and single-molecule devices
… and thermoelectric properties of molecular junctions containing single organic molecules. The exploration and understanding the electronic and phononic characteristics of molecules connected to metallic leads is a vital part of nanoscience if molecular electronics is to have a future. This …
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Single molecule studies of molecular electronics and biohybrid materials
… high-conducting covalent contacts for molecular junctions using a scanning tunneling microscope-break junction technique (STM-BJ). Here, metal-carbon covalent bonds are formed to silver electrodes from unprotected terminal acetylene anchors. Single molecule charge transport experiments and …
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Single molecule studies of charge transport in organic redox-active materials
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-12-04 without embargo terms
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Single-molecule junctions: Towards new frontiers for next-generation electronics
L'abstract è presente nell'allegato / the abstract is in the attachment
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Computational modeling of peptide-mediated charge transport and membrane-associated phenomena
… using a scanning-tunneling microscope break junction show an unexpected bimodal distribution for oligopeptide conductance across diverse amino acid sequences. To address this, I develop a series of computational strategies for interrogating the conformational basis of experimentally …
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Automated small molecule synthesis for accelerated discovery of photo- and electroactive organic materials
… the electron transport properties of molecular junctions. Using automated chemical synthesis, single-molecule junctions based on p-terphenyl derivatives with one pre-installed anchor were studied using single-molecule electronics experiments, molecular dynamics simulations, electrochemistry, …