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It is important to accurately model materials' properties at lower length scales (micro-level) while translating the effects to the components and/or system level (macro-level) can significantly reduce the amount of experimentation required…

Computers and Society · Computer Science 2022-11-08 Kazuma Kobayashi , Shoaib Usman , Carlos Castano , Dinesh Kumar , Syed Alam

Understanding molecular structure, dynamics, and reactivity requires bridging processes that occur across widely separated time scales. Conventional molecular dynamics simulations provide atomistic resolution, but their femtosecond time…

Chemical Physics · Physics 2025-10-10 Juan Viguera Diez , Mathias Schreiner , Simon Olsson

We present a new semi-empirical model for calculating electron transport in atomic-scale devices. The model is an extension of the Extended H\"uckel method with a self-consistent Hartree potential. This potential models the effect of an…

Mesoscale and Nanoscale Physics · Physics 2012-04-04 Kurt Stokbro , Dan Erik Petersen , Søren Smidstrup , Anders Blom , Mads Ipsen , Kristen Kaasbjerg

Quantum materials are driving a technology revolution in sensing, communication, and computing, while simultaneously testing many core theories of the past century. Materials such as topological insulators, complex oxides, quantum dots,…

Structurally and chemically complex materials such as amorphous metallosilicates underpin major catalytic and separation technologies, yet their intrinsic complexity challenges reliable atomistic modeling under realistic conditions.…

Neuromorphic computing is poised to further the success of software-based neural networks by utilizing improved customized hardware. However, the translation of neuromorphic algorithms to hardware specifications is a problem that has been…

Emerging Technologies · Computer Science 2022-08-03 Andres E. Lombo , Jesus E. Lares , Matteo Castellani , Chi-Ning Chou , Nancy Lynch , Karl K. Berggren

We report a nanoscale device concept based on a highly doped $\delta$-layer tunnel junction embedded in a semiconductor for charge sensing. Recent advances in Atomic Precision Advanced Manufacturing (APAM) processes have enabled the…

Mesoscale and Nanoscale Physics · Physics 2025-05-16 Juan P. Mendez , Denis Mamaluy

Semiconductor nanowires provide an ideal platform for various low-dimensional quantum devices. In particular, topological phases of matter hosting non-Abelian quasi-particles can emerge when a semiconductor nanowire with strong spin-orbit…

Atomic scale nanowires attract enormous interest in a wide range of fields. On the one hand, due to their quasi-one-dimensional nature, they can act as a experimental testbed for exotic physics: Peierls instability, charge density waves,…

Materials Science · Physics 2014-03-13 Danny E. P. Vanpoucke

Neuromorphic hardware platforms can significantly lower the energy overhead of a machine learning inference task. We present a design-technology tradeoff analysis to implement such inference tasks on the processing elements (PEs) of a Non-…

Neural and Evolutionary Computing · Computer Science 2022-03-11 Shihao Song , Adarsha Balaji , Anup Das , Nagarajan Kandasamy

Modern optical systems are subject to very restrictive performance, size and cost requirements. Especially in portable systems size often is the most important factor, which necessitates elaborate designs to achieve the desired…

The recent decades have seen various attempts at accelerating the process of developing materials targeted towards specific applications. The performance required for a particular application leads to the choice of a particular material…

Atomistic simulations provide insights into structure-property relations on an atomic size and length scale, that are complementary to the macroscopic observables that can be obtained from experiments. Quantitative predictions, however, are…

Materials Science · Physics 2021-04-14 Nataliya Lopanitsyna , Chiheb Ben Mahmoud , Michele Ceriotti

Recent fabrication of atomic precision nanodevices for spintronics greatly boosted their performance and also revealed new interesting features, as oscillating magnetoresistance with number of atomic layers in a multilayered structure. This…

Materials Science · Physics 2013-05-29 H. G. Silva , Y. G. Pogorelov

Specialized computational chemistry packages have permanently reshaped the landscape of chemical and materials science by providing tools to support and guide experimental efforts and for the prediction of atomistic and electronic…

Chemical Physics · Physics 2020-05-27 E. Aprà , E. J. Bylaska , W. A. de Jong , N. Govind , K. Kowalski , T. P. Straatsma , M. Valiev , H. J. J. van Dam , Y. Alexeev , J. Anchell , V. Anisimov , F. W. Aquino , R. Atta-Fynn , J. Autschbach , N. P. Bauman , J. C. Becca , D. E. Bernholdt , K. Bhaskaran-Nair , S. Bogatko , P. Borowski , J. Boschen , J. Brabec , A. Bruner , E. Cauët , Y. Chen , G. N. Chuev , C. J. Cramer , J. Daily , M. J. O. Deegan , T. H. Dunning , M. Dupuis , K. G. Dyall , G. I. Fann , S. A. Fischer , A. Fonari , H. Früuchtl , L. Gagliardi , J. Garza , N. Gawande , S. Ghosh , K. Glaesemann , A. W. Götz , J. Hammond , V. Helms , E. D. Hermes , K. Hirao , S. Hirata , M. Jacquelin , L. Jensen , B. G. Johnson , H. Jónsson , R. A. Kendall , M. Klemm , R. Kobayashi , V. Konkov , S. Krishnamoorthy , M. Krishnan , Z. Lin , R. D. Lins , R. J. Littlefield , A. J. Logsdail , K. Lopata , W. Ma , A. V. Marenich , J. Martin del Campo , D. Mejia-Rodriguez , J. E. Moore , J. M. Mullin , T. Nakajima , D. R. Nascimento , J. A. Nichols , P. J. Nichols , J. Nieplocha , A. Otero de la Roza , B. Palmer , A. Panyala , T. Pirojsirikul , B. Peng , R. Peverati , J. Pittner , L. Pollack , R. M. Richard , P. Sadayappan , G. C. Schatz , W. A. Shelton , D. W. Silverstein , D. M. A. Smith , T. A. Soares , D. Song , M. Swart , H. L. Taylor , G. S. Thomas , V. Tipparaju , D. G. Truhlar , K. Tsemekhman , T. Van Voorhis , Á. Vázquez-Mayagoitia , P. Verma , O. Villa , A. Vishnu , K. D. Vogiatzis , D. Wang , J. H. Weare , M. J. Williamson , T. L. Windus , K. Woliński , A. T. Wong , Q. Wu , C. Yang , Q. Yu , M. Zacharias , Z. Zhang , Y. Zhao , R. J. Harrison

Modelling MEMS involves a variety of software tools that deal with the analysis of complex geometrical structures and the assessment of various interactions among different energy domains and components. Moreover, the MEMS market is growing…

Other Computer Science · Computer Science 2008-12-18 Mustafa Calis , Omar Laghrouche , Marc Desmulliez

Owing to the computational complexity of electronic structure algorithms running on classical digital computers, the range of molecular systems amenable to simulation remains tightly circumscribed even after many decades of work. Quantum…

Quantum Physics · Physics 2022-05-18 Alexis Ralli , Michael I. Williams , Peter V. Coveney

We discuss some examples where numerical simulations based on effectively fabricated nanostructures can provide additional insights into an experiment. Focusing on plasmonics, we study Fano resonant systems for optical trapping, realistic…

Optics · Physics 2022-10-27 Andrei Kiselev , Jeonghyeon Kim , Olivier J. F. Martin

Based on bottom-up assembly of highly variable neural cells units, the nervous system can reach unequalled level of performances with respect to standard materials and devices used in microelectronic. Reproducing these basic concepts in…

We describe a novel tool for the quantum characterization of optical devices. The experimental setup involves a stable reference state that undergoes an unknown quantum transformation and is then revealed by balanced homodyne detection.…