Carbon-fiber tips for scanning probe microscopes and molecular electronics experiments
Entidad
UAM. Departamento de Física Teórica de la Materia CondensadaEditor
Springer New YorkFecha de edición
2012-05-15Cita
10.1186/1556-276X-7-254
Nanoscale Research Letters 7 (2012): 1-10
ISSN
1931-7573 (print); 1556-276X (online)DOI
10.1186/1556-276X-7-254Financiado por
This work was supported by MICINN (Spain) through the programs MAT2008-01735, MAT2011-25046 and CONSOLIDER-INGENIO-2010 ‘Nanociencia Molecular’ CSD-2007-00010; Comunidad de Madrid through program Nanobiomagnet S2009/MAT-1726; and European Union through programs BIMORE (MRTN-CT-2006-035859) and ELFOS (FP7)Proyecto
info:eu-repo/grantAgreement/EC/FP7/270369; Comunidad de Madrid. S2009/MAT-1726/NANOBIOMAGNETVersión del editor
http://dx.doi.org/10.1186/1556-276X-7-254Materias
Carbon electrodes; Carbon electronics; Carbon tip; Quartz tuning fork; Single-molecule junction; STM break junction; FísicaDerechos
© 2012 Rubio-Bollinger et al.Resumen
We fabricate and characterize carbon-fiber tips for their use in combined scanning tunneling and force microscopy based on piezoelectric quartz tuning fork force sensors. An electrochemical fabrication procedure to etch the tips is used to yield reproducible sub-100-nm apex. We also study electron transport through single-molecule junctions formed by a single octanethiol molecule bonded by the thiol anchoring group to a gold electrode and linked to a carbon tip by the methyl group. We observe the presence of conductance plateaus during the stretching of the molecular bridge, which is the signature of the formation of a molecular junction
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Google Scholar:Rubio Bollinger, Gabino
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Castellanos-Gomez, Andres
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Bilan, Ştefan
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Zotti, Linda Ángela
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Arroyo, Carlos R.
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Agrait de la Puente, Mario Nicolás
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Cuevas Rodríguez, Juan Carlos
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