1D ballistic transport channel probed by invasive and non-invasive contacts
Epitaxially grown sidewall graphene nanoribbons show a robust quantum conductance of e2/h. By means of in-situ transport measurements with a nanoprobe system, we realized invasive and non-invasive 4-point-probe configurations. The invasiveness correlates with the contact resistance of the voltage pr...
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| Veröffentlicht in: | Applied physics letters 2018-11, Vol.113 (19) |
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| container_title | Applied physics letters |
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| creator | Aprojanz, Johannes Miccoli, Ilio Baringhaus, Jens Tegenkamp, Christoph |
| description | Epitaxially grown sidewall graphene nanoribbons show a robust quantum conductance of e2/h. By means of in-situ transport measurements with a nanoprobe system, we realized invasive and non-invasive 4-point-probe configurations. The invasiveness correlates with the contact resistance of the voltage probes. In particular, we achieved now non-invasive voltage probes revealing an almost zero resistance in a collinear 4 point-probe measurement. This proofs the ballistic nature of our epitaxially grown sidewall nanoribbons on SiC(0001) mesa structures. |
| doi_str_mv | 10.1063/1.5054393 |
| format | Article |
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| ispartof | Applied physics letters, 2018-11, Vol.113 (19) |
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| language | eng |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Applied physics Contact resistance Electric potential Epitaxial growth Graphene Resistance Transport |
| title | 1D ballistic transport channel probed by invasive and non-invasive contacts |
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