Lateral engineering of surface states - towards surface-state nanoelectronics

Nanoscale
F J García de AbajoJ E Ortega

Abstract

Patterned metal surfaces can host electron quantum waves that display interference phenomena over distances of a few nanometres, thus providing excellent information carriers for future atomic-scale devices. Here we demonstrate that collimation and waveguiding of surface electrons can be realized in silver-induced strain dislocation networks on Cu(111) surfaces, as a conceptual proof-of-principle of surface-state nanoelectronics (SSNE). The Ag/Cu(111) system exhibits featured surface bands with gaps at the Fermi energy, which are basic requirements for a potential SSNE material. We establish a solid analogy between the behavior of surface-state electrons and surface plasmons in patterned metal surfaces, thus facilitating the transfer of existing knowledge on plasmonic structures to the new scenario presented by engineered electronic surface-state nanostructures, with the advantage of a 1000-fold reduction in wavelength and geometrical parameters.

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Citations

Mar 15, 2011·ACS Applied Materials & Interfaces·Pieter F MoonenJurriaan Huskens
Aug 24, 2012·Chemical Reviews·Jobin CyriacR G Cooks
Mar 9, 2012·Nanoscale·Yang ShenChongjun Jin
May 4, 2016·Physical Chemistry Chemical Physics : PCCP·Francesca CicculloM Benedetta Casu
Aug 14, 2019·Nanoscale·Luciano ColazzoDimas G de Oteyza
Jan 18, 2020·Scientific Reports·V M García-Suárez
Jan 18, 2020·Physical Review Letters·Ignacio Piquero-ZulaicaJorge Lobo-Checa
Sep 10, 2011·Physical Review Letters·Z M Abd El-FattahJ E Ortega
Mar 17, 2011·Physical Review Letters·F KlappenbergerJ V Barth

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