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SYMS: Symposium Three-Dimensional Nanostructures: From Magnetism to Superconductivity

SYMS 1: Three-Dimensional Nanostructures: From Magnetism to Superconductivity

SYMS 1.2: Invited Talk

Monday, March 18, 2024, 10:00–10:30, H 0105

Curved electronics: geometry-induced effects at the nanoscale — •Paola Gentile — CNR-SPIN, I-84084 Fisciano (Salerno), Italy, c/o Università di Salerno, I-84084 Fisciano (Salerno), Italy

The growing demand for next-generation electronics has favored the growth of highly adaptable electronic functional elements capable of recognizing environmental changes by responding to electrical, magnetic, optical and thermal stimuli. Central to these customized appliances is the recognized possibility to modify and fine-tune the physical properties of essentially all electronic materials through a proper exploitation of geometric deformations and curvature effects at the nanoscale. The exciting developments in the discovery and exploitation of the innovative effects induced by curvature at the nanoscale allow ultimately to define a completely new field, that of curved nanoelectronics [1]. We here examine in details the origin of curvature effects at the nanoscale in low dimensional systems with structure inversion asymmetry, where the interplay between nanoscale deformations and Rashba spin-orbit coupling establishes a deep connection between electronic spin textures, spin transport properties, and the nanoscale shape of the system. We illustrate the potential applications of these effects in innovative electronic, spintronic, and in particular in superconducting devices.

[1] P. Gentile, M. Cuoco, O. M. Volkov, Z.-J. Ying, I. J. Vera-Marun, D. Makarov and C. Ortix, Nature Electronics 5, 551 (2022).

Keywords: Curved nanowires; Geometrical control; Superconductivity; Josephson junctions; Topological superconductors