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DECLINAZIONI E DIMENSIONI ABILITANTI DELLA TECNOLOGIA IN ARCHITETTURA: UN DIBATTITO COMPLESSO
Si è così delineato il primo riconosciuto elenco di KETs: advanced materials, nanotechnology, micro/nanoelectronics, industrial biotechnology, photonics. In questa seconda traiettoria, vanno esplorati sia i ruoli abilitanti che le tecnologie possono assumere in vista degli obiettivi di sostenibilità dell'Agenda 2030 (ONU, 2015), sia le forme di applicazione, diffusione e trasferimento tecnologici che, nei recenti orientamenti dell'IPCC, sono in grado di abilitare \"condizioni\" per migliorare la fattibilità delle opzioni di adattamento e mitigazione e affrontare il climate change (IPCC, 2022). A questi campi di esplorazione si affiancano anche gli ambiti di ricerca e innovazione del PNR - Programma Nazionale per la Ricerca 2021/27, riguardanti i design studies, i cambiamenti climatici, la qualità della vita e le strategie di rigenerazione dell'habitat antropizzato (MUR, 2020). Declinazioni per una tecnologia che abilita Da queste riflessioni generali, terminologiche e concettuali, è sorta la necessità di approfondire il tema del ruolo abilitante della tecnologia anche con l'apporto di alcuni studiosi che si stanno confrontando direttamente con le molteplici sfide poste dalle innovazioni tecnologiche contemporanee rispetto alle complessità del fare Architettura. Emerge uno scenario molto più complesso che riguarda gli aspetti teoretici, antropologici e metodologici indotti dal concetto di tecnologia che può assumere capacità abilitanti all'interno dell'intero processo progettuale dell'habitat umano.
Journal Article
Tkwant: a software package for time-dependent quantum transport
Tkwant is a Python package for the simulation of quantum nanoelectronics devices to which external time-dependent perturbations are applied. Tkwant is an extension of the kwant package (https://kwant-project.org/) and can handle the same types of systems: discrete tight-binding-like models that consist of an arbitrary central region connected to semi-infinite electrodes. The problem is genuinely many-body even in the absence of interactions and is treated within the non-equilibrium Keldysh formalism. Examples of Tkwant applications include the propagation of plasmons generated by voltage pulses, propagation of excitations in the quantum Hall regime, spectroscopy of Majorana fermions in semiconducting nanowires, current-induced skyrmion motion in spintronic devices, multiple Andreev reflection, Floquet topological insulators, thermoelectric effects, and more. The code has been designed to be easy to use and modular. Tkwant is free software distributed under a BSD license and can be found at https://tkwant.kwant-project.org/.
Journal Article
Lessons from nanoelectronics : a new perspective on transport
This title assumes very little background beyond linear algebra and differential equations, and is intended to be accessible to anyone in any branch of science or engineering.
Book
Towards two-dimensional van der Waals ferroelectrics
The discovery of ferroelectricity in two-dimensional (2D) van der Waals (vdW) materials has brought important functionalities to the 2D materials family, and may trigger a revolution in next-generation nanoelectronics and spintronics. In this Perspective, we briefly review recent progress in the field of 2D vdW ferroelectrics, focusing on the mechanisms that drive spontaneous polarization in 2D systems, unique properties brought about by the reduced lattice dimensionality and promising applications of 2D vdW ferroelectrics. We finish with an outlook for challenges that need to be addressed and our view on possible future research directions.Research on two-dimensional van der Waals ferroelectrics has witnessed an explosion over the past few years. This Perspective formulates a framework by which results can be analysed, reviews recent progress, discusses mechanisms and properties for applications, and outlines challenges to be addressed.
Journal Article
Nanoelectronics : a molecular view
\"This is a reference book for graduate students and researchers in the areas of nanomaterials, nanoelectronics, solid state physics and solid state devices. Segments of this book are also useful as textbook for a course in nanoelectronics\"-- Provided by publisher.
Book
Two-dimensional materials for next-generation computing technologies
Rapid digital technology advancement has resulted in a tremendous increase in computing tasks imposing stringent energy efficiency and area efficiency requirements on next-generation computing. To meet the growing data-driven demand, in-memory computing and transistor-based computing have emerged as potent technologies for the implementation of matrix and logic computing. However, to fulfil the future computing requirements new materials are urgently needed to complement the existing Si complementary metal–oxide–semiconductor technology and new technologies must be developed to enable further diversification of electronics and their applications. The abundance and rich variety of electronic properties of two-dimensional materials have endowed them with the potential to enhance computing energy efficiency while enabling continued device downscaling to a feature size below 5 nm. In this Review, from the perspective of matrix and logic computing, we discuss the opportunities, progress and challenges of integrating two-dimensional materials with in-memory computing and transistor-based computing technologies.This Review discusses the recent progress and future prospects of two-dimensional materials for next-generation nanoelectronics.
Journal Article
Atomistic simulation of quantum transport in nanoelectronic devices
\"Computational nanoelectronics is an emerging multi-disciplinary field covering condensed matter physics, applied mathematics, computer science, and electronic engineering. In recent decades, a few state-of-the-art software packages have been developed to carry out first-principle atomistic device simulations. Nevertheless those packages are either black boxes (commercial codes) or accessible only to very limited users (private research codes). The purpose of this book is to open one of the commercial black boxes, and to demonstrate the complete procedure from theoretical derivation, to numerical implementation, all the way to device simulation. Meanwhile the affiliated source code constitutes an open platform for new researchers. This is the first book of its kind. We hope the book will make a modest contribution to the field of computational nanoelectronics\"-- Provided by publisher.
Book
Insulators for 2D nanoelectronics: the gap to bridge
Nanoelectronic devices based on 2D materials are far from delivering their full theoretical performance potential due to the lack of scalable insulators. Amorphous oxides that work well in silicon technology have ill-defined interfaces with 2D materials and numerous defects, while 2D hexagonal boron nitride does not meet required dielectric specifications. The list of suitable alternative insulators is currently very limited. Thus, a radically different mindset with respect to suitable insulators for 2D technologies may be required. We review possible solution scenarios like the creation of clean interfaces, production of native oxides from 2D semiconductors and more intensive studies on crystalline insulators.
The lack of scalable, high-quality insulators is a major problem hindering the progress on electronic devices built from 2D materials. Here, the authors review the current state-of-the-art and the future prospects of suitable insulators for 2D technologies.
Journal Article