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Switchable wiring for high-resolution electronic measurements at very low temperatures

Switchable wiring for high-resolution electronic measurements at very low temperatures

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SCHIRM, Christian, Hans-Fridtjof PERNAU, Elke SCHEER, 2009. Switchable wiring for high-resolution electronic measurements at very low temperatures. In: Review of Scientific Instruments. 80, 24704. Available under: doi: 10.1063/1.3073962

@article{Schirm2009Switc-9357, title={Switchable wiring for high-resolution electronic measurements at very low temperatures}, year={2009}, doi={10.1063/1.3073962}, volume={80}, journal={Review of Scientific Instruments}, author={Schirm, Christian and Pernau, Hans-Fridtjof and Scheer, Elke}, note={Article Number: 24704} }

<rdf:RDF xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dspace="http://digital-repositories.org/ontologies/dspace/0.1.0#" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:void="http://rdfs.org/ns/void#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/9357"> <dcterms:rights rdf:resource="https://creativecommons.org/licenses/by-nc-nd/2.0/legalcode"/> <dspace:isPartOfCollection rdf:resource="https://kops.uni-konstanz.de/rdf/resource/123456789/41"/> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/9357"/> <dcterms:hasPart rdf:resource="https://kops.uni-konstanz.de/bitstream/123456789/9357/1/47_Schirm_Switchable_wiring_for_high_resolution_RevSciIns_2009.pdf"/> <dc:creator>Pernau, Hans-Fridtjof</dc:creator> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:55:48Z</dc:date> <dc:contributor>Pernau, Hans-Fridtjof</dc:contributor> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:55:48Z</dcterms:available> <dcterms:issued>2009</dcterms:issued> <foaf:homepage rdf:resource="http://localhost:8080/jspui"/> <dc:contributor>Scheer, Elke</dc:contributor> <dc:creator>Schirm, Christian</dc:creator> <dcterms:abstract xml:lang="eng">Low-temperature transport measurements with high energy resolution require effective filtering of high-frequency input. The high dc resistance of standard RC filters results in considerable heat input and hampers measurements with high currents or voltages. We developed a wiring scheme that incorporates a commercial latching relay at very low temperature between two sets of wires. In our application one set of wires comprises a voltage divider and a high-Ohmic reference resistance at low temperature as well. The other set has low dc resistance and no voltage divider. Both sets are high frequency filtered with very robust and compact filters, though, for insuring effective damping at gigahertz frequencies. We demonstrate that with the first set, we obtain a voltage resolution of 6 µV and a current resolution of 100 pA, which is sufficient for the recording and analysis of multiparticle transport in superconducting point contacts. The second set is used for electromigration experiments on superconducting point contacts and allows application of currents up to 1 mA and voltages up to 20 V, while the sample is at 1 K. More versatile applications of the scheme are possible.</dcterms:abstract> <dcterms:title>Switchable wiring for high-resolution electronic measurements at very low temperatures</dcterms:title> <dc:contributor>Schirm, Christian</dc:contributor> <dcterms:isPartOf rdf:resource="https://kops.uni-konstanz.de/rdf/resource/123456789/41"/> <dc:rights>terms-of-use</dc:rights> <dspace:hasBitstream rdf:resource="https://kops.uni-konstanz.de/bitstream/123456789/9357/1/47_Schirm_Switchable_wiring_for_high_resolution_RevSciIns_2009.pdf"/> <dcterms:bibliographicCitation>First publ. in: Review of Scientific Instruments 80 (2009), 024704</dcterms:bibliographicCitation> <dc:format>application/pdf</dc:format> <dc:creator>Scheer, Elke</dc:creator> <dc:language>eng</dc:language> <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/> </rdf:Description> </rdf:RDF>

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