3 Dicembre 2014 - Ore 16:30 - Seminario di Dipartimento - Enrico Prati - Atomic scale nanoelectronics: advancements and directions
Luogo: Aula Newton
Relatore: Enrico Prati - Consiglio Nazionale delle Ricerche - Istituto di Fotonica e Nanotecnologie - Milano
E-mail organizzatore: raffaella.burioni@fis.unipr.it
Abstratc:
I review the theoretical and experimental advances in
nanometric-scale devices and single atom systems. Few electron devices
are currently obtained either by fabricating nanometric-scale
semiconductor FinFETs and quantum dots, or by doping them with few
impurity atoms. Such nanometric devices, originally realized by employing
either pre-industrial or laboratory processes, are now being fabricated in
commercial 14 nm node architecture. They have lead, starting from the
90's, to the observation of classical non-linear effects, to spin- and
orbital-related quantum effects, manipulation of few qubits and to
many-body quantum effects. I highlight high points and major
constraints and limitations to state-of-the-art fabrication based on
lithography and doping, and their possible integration with different
methods such as self-assembly, inspired by biology and natural systems.
"At the atomic level, we have new kinds of forces and new kinds of
possibilities, new kinds of effects. The problems of manufacture and
reproduction of materials will be quite different. I am, as I said,
inspired by the biological phenomena in which chemical forces are used
in repetitious fashion to produce all kinds of weird effects (one of
which is the author). R. Feynman, 1957"