Ring electrodes with 10 mm interelectrode distance seem optimal for future catheter designs.
Christina Brock, Romulus E. Lontis, Flemming H. Lundager, Peter Kunwald, Asbjørn M.Drewes, Hans Gregersen 2011, 'Model for Electrical Field Distribution in the Human Esophagus during Stimulationwith Patch and Ring Electrodes', Gastroenterology Research and Practicehttp://dx.doi.org/10.1155/2011/562592. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In the conditions of experiment the metal transfer in interelectrode interval corresponded to the drop mechanism.
I. O. Vakulenko, S. O. Plitchenko, D. M. Makarevych 2014, 'INFLUENCE OF CHEMICAL COMPOUNDS ON THE FORMING OF ELECTRIC ARC', Nauka ta Progres Transportuhttp://stp.diit.edu.ua/article/view/27359/24777. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Both methods show that multiple, stable single-molecule junction configurations can be obtained by modulating the interelectrode distance.
Mickael L. Perrin, Christian A. Martin, Ferry Prins, Ahson J. Shaikh, Rienk Eelkema,Jan H. van Esch, Jan M. van Ruitenbeek, Herre S. J. van der Zant, Diana Dulić 2011, 'Charge transport in a zinc–porphyrin single-molecule junction', Beilstein Journal of Nanotechnologyhttps://doi.org/10.3762/bjnano.2.77. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)