Fundamental quantum noise mapping with tunnelling microscopes tested at surface structures of subatomic lateral size
Fundamental quantum noise mapping with tunnelling microscopes tested at surface structures of subatomic lateral size
Date
2013
Editors
Journal ISSN
Electronic ISSN
ISBN
Bibliographical data
Publisher
Series
URI (citable link)
DOI (citable link)
International patent number
Link to the license
EU project number
Project
SFB 767 TP C 10
Open Access publication
Collections
Title in another language
Publication type
Journal article
Publication status
Published in
Nanoscale ; 5 (2013), 20. - pp. 9978-9983. - ISSN 2040-3364. - eISSN 2040-3372
Abstract
We present a measurement scheme that enables quantitative detection of the shot noise in a scanning tunnelling microscope while scanning the sample. As test objects we study defect structures produced on an iridium single crystal at low temperatures. The defect structures appear in the constant current images as protrusions with curvature radii well below the atomic diameter. The measured power spectral density of the noise is very near to the quantum limit with Fano factor F = 1. While the constant current images show detailed structures expected for tunnelling involving d-atomic orbitals of Ir, we find the current noise to be without pronounced spatial variation as expected for shot noise arising from statistically independent events.
Summary in another language
Subject (DDC)
530 Physics
Keywords
Conference
Review
undefined / . - undefined, undefined. - (undefined; undefined)
Cite This
ISO 690
HERZ, Markus, Samuel BOUVRON, Elizabeta CAVAR, Mikhail FONIN, Wolfgang BELZIG, Elke SCHEER, 2013. Fundamental quantum noise mapping with tunnelling microscopes tested at surface structures of subatomic lateral size. In: Nanoscale. 5(20), pp. 9978-9983. ISSN 2040-3364. eISSN 2040-3372. Available under: doi: 10.1039/c3nr02216aBibTex
@article{Herz2013-10-21Funda-24367, year={2013}, doi={10.1039/c3nr02216a}, title={Fundamental quantum noise mapping with tunnelling microscopes tested at surface structures of subatomic lateral size}, number={20}, volume={5}, issn={2040-3364}, journal={Nanoscale}, pages={9978--9983}, author={Herz, Markus and Bouvron, Samuel and Cavar, Elizabeta and Fonin, Mikhail and Belzig, Wolfgang and Scheer, Elke} }
RDF
<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/server/rdf/resource/123456789/24367"> <dspace:isPartOfCollection rdf:resource="https://kops.uni-konstanz.de/server/rdf/resource/123456789/41"/> <dcterms:abstract xml:lang="eng">We present a measurement scheme that enables quantitative detection of the shot noise in a scanning tunnelling microscope while scanning the sample. As test objects we study defect structures produced on an iridium single crystal at low temperatures. The defect structures appear in the constant current images as protrusions with curvature radii well below the atomic diameter. The measured power spectral density of the noise is very near to the quantum limit with Fano factor F = 1. While the constant current images show detailed structures expected for tunnelling involving d-atomic orbitals of Ir, we find the current noise to be without pronounced spatial variation as expected for shot noise arising from statistically independent events.</dcterms:abstract> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/24367"/> <dc:creator>Fonin, Mikhail</dc:creator> <dc:creator>Bouvron, Samuel</dc:creator> <dc:contributor>Scheer, Elke</dc:contributor> <dcterms:title>Fundamental quantum noise mapping with tunnelling microscopes tested at surface structures of subatomic lateral size</dcterms:title> <dc:contributor>Bouvron, Samuel</dc:contributor> <dc:contributor>Belzig, Wolfgang</dc:contributor> <dc:contributor>Fonin, Mikhail</dc:contributor> <dc:language>eng</dc:language> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2013-09-06T14:29:20Z</dcterms:available> <dc:contributor>Herz, Markus</dc:contributor> <dc:creator>Scheer, Elke</dc:creator> <dc:creator>Belzig, Wolfgang</dc:creator> <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2013-09-06T14:29:20Z</dc:date> <dcterms:rights rdf:resource="https://rightsstatements.org/page/InC/1.0/"/> <dcterms:issued>2013-10-21</dcterms:issued> <dc:creator>Cavar, Elizabeta</dc:creator> <dc:creator>Herz, Markus</dc:creator> <dc:contributor>Cavar, Elizabeta</dc:contributor> <dspace:hasBitstream rdf:resource="https://kops.uni-konstanz.de/bitstream/123456789/24367/2/Herz_243672.pdf"/> <dcterms:bibliographicCitation>Nanoscale ; 5 (2013), 20. - S. 9978-9983</dcterms:bibliographicCitation> <dc:rights>terms-of-use</dc:rights> <foaf:homepage rdf:resource="http://localhost:8080/"/> <dcterms:isPartOf rdf:resource="https://kops.uni-konstanz.de/server/rdf/resource/123456789/41"/> <dcterms:hasPart rdf:resource="https://kops.uni-konstanz.de/bitstream/123456789/24367/2/Herz_243672.pdf"/> </rdf:Description> </rdf:RDF>
Internal note
xmlui.Submission.submit.DescribeStep.inputForms.label.kops_note_fromSubmitter
Examination date of dissertation
Method of financing
Comment on publication
Alliance license
Corresponding Authors der Uni Konstanz vorhanden
International Co-Authors
Bibliography of Konstanz
Yes