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3 results for “scanning tunneling microscope”
Dataset supporting the paper "Superconducting Scanning Tunneling Microscope Tip to Reveal Sub-millielectronvolt Magnetic Energy Variations on Surfaces. J. Phys. Chem Lett. 12, 2983 (2021)"
<p>Dataset corresponding to theoretical calculations in the supporting information of the paper "Superconducting Scanning Tunneling Microscope Tip to Reveal Sub-millielectronvolt Magnetic Energy Variations on Surfaces" J. Phys. Chem Lett. 12, 2983 (2021), <a href="https://doi.org/10.1021/acs.jpclett.1c00328">https://doi.org/10.1021/acs.jpclett.1c00328</a></p> <p>List of files:</p> <p>Several folders corresponding to the figures of the supporting information. They contain:</p> <ul> <li>.siesta files: STM images in WsXM format (http://www.wsxm.eu/) simulated using STMpw (<a href="https://doi.org/10.5281/zenodo.3581159">https://doi.org/10.5281/zenodo.3581159</a>).</li> <li>CONTCAR files: relaxed structures in VASP format. They can be visualized with VESTA (<a href="https://jp-minerals.org/vesta/en/">https://jp-minerals.org/vesta/en/</a>).</li> <li>.agr files: grace files (<a href="https://plasma-gate.weizmann.ac.il/Grace/">https://plasma-gate.weizmann.ac.il/Grace/</a>).</li> </ul>
Bipolar device fabrication using a scanning tunnelling microscope
<p>Hydrogen resist lithography with the tip of a scanning tunneling microscope (STM) can be used to fabricate atomic-scale dopant devices in silicon substrates and could potentially be used to build a dopant-based quantum computer. However, all devices fabricated so far have been based on the n-type dopant precursor phosphine. Here, we show that diborane can be used as p-type dopant precursor, allowing p-type and bipolar dopant devices to be created. Characterisation of diborane <span class="math-tex">\(\delta\)</span>-layers reveals that similar mobilities and densities can be achieved as for phosphine, with sheet resistivities as low as 300 <span class="math-tex">\(\Omega\)</span>. STM imaging and transport measurements of a 5.5 nm-wide p-type dopant nanowire give an estimated upper bound of 2 nm for the lithographic resolution of the p-type dopant profiles.<br> By combining our p-type doping approach with established phosphine-based n-type doping, we fabricate a 100 nm wide pn-junction and show that its electrical behaviour is similar to that of an Esaki diode.</p>
Data supporting findings for the manuscript: "An Ultra-High Vacuum Scanning Tunneling Microscope with Pulse Tube and Joule-Thomson cooling operating at sub-pm z-noise"
<p>This is the data repository for the manuscript:<br>An Ultra-High Vacuum Scanning Tunneling Microscope with Pulse Tube and Joule-Thomson cooling operating at sub-pm z-noise</p> <p>The data is contained in the zip file.</p> <p>The data is sorted in a folder structure, named after the corresponding images in the manuscript.</p> <p>The raw data and the analysis is given. </p>
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OpenNeuro
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