Nanoscience – Page 49 – Kavli Institute Pre-Print Publications

Artificial Intelligence End-to-End Workflow for Transmission Electron Microscopy: From Data Analysis Automation to Materials Knowledge Unveiling

Posted by dbos November 1, 2024Delft

Kavli Affiliate: Giordano Scappucci | First 5 Authors: Marc Botifoll, Ivan Pinto-Huguet, Enzo Rotunno, Thomas Galvani, Catalina Coll | Summary: This article introduces a groundbreaking analytical workflow designed for the holistic characterisation, modelling and physical simulation of device heterostructures. Our innovative workflow autonomously, comprehensively and locally characterises the crystallographic information and 3D orientation of the […]

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Artificial Intelligence-Assisted Workflow for Transmission Electron Microscopy: From Data Analysis Automation to Materials Knowledge Unveiling

Posted by dbos November 1, 2024Delft

Kavli Affiliate: Giordano Scappucci | First 5 Authors: Marc Botifoll, Ivan Pinto-Huguet, Enzo Rotunno, Thomas Galvani, Catalina Coll | Summary: (Scanning) transmission electron microscopy ((S)TEM) has significantly advanced materials science but faces challenges in correlating precise atomic structure information with the functional properties of devices due to its time-intensive nature. To address this, we introduce […]

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Artificial Intelligence-Assisted Workflow for Transmission Electron Microscopy: From Data Analysis Automation to Materials Knowledge Unveiling

Posted by dbos November 1, 2024Delft

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Dynamic Competition Between Orbital and Exchange Interactions Selectively Localizes Electrons and Holes Through Polarons

Posted by dbos November 1, 2024Caltech

Kavli Affiliate: Scott K. Cushing | First 5 Authors: Jocelyn L. Mendes, Hyun Jun Shin, Jae Yeon Seo, Nara Lee, Young Jai Choi | Summary: Controlling the effects of photoexcited polarons in transition metal oxides can enable the long timescale charge separation necessary for renewable energy applications as well as controlling new quantum phases through […]

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Dynamic Competition Between Hubbard and Superexchange Interactions Selectively Localizes Electrons and Holes Through Polarons

Posted by klaurent November 1, 2024Caltech

Kavli Affiliate: Scott K. Cushing | First 5 Authors: , , , , | Summary: Controlling the effects of photoexcited polarons in transition metal oxides can enable the long timescale charge separation necessary for renewable energy applications as well as controlling new quantum phases through dynamically tunable electron-phonon coupling. In previously studied transition metal oxides, […]

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Transition Path and Interface Sampling of Stochastic Schrödinger Dynamics

Posted by dbos November 1, 2024Berkeley

Kavli Affiliate: David T. Limmer | First 5 Authors: Robson Christie, Peter G. Bolhuis, David T. Limmer, , | Summary: We study rare transitions in Markovian open quantum systems driven with Gaussian noise, applying transition path and interface sampling methods to trajectories generated by stochastic Schr"odinger dynamics. Interface and path sampling offer insights into rare […]

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Orbital-spin Locking and its Optical Signatures in Altermagnets

Posted by dbos October 30, 2024November 11, 2024Berkeley

Kavli Affiliate: Joel E. Moore | First 5 Authors: Marc Vila, Veronika Sunko, Joel E. Moore, , | Summary: Altermagnets, magnetic materials with zero magnetization and spin-split band structure, have gained tremendous attention recently for their rich physics and potential applications. Here, we report on a microscopic tight-binding model that unveils a unique coupling between […]

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Hybrid cat-transmon architecture for scalable, hardware-efficient quantum error correction

Posted by dbos October 30, 2024November 11, 2024Caltech

Kavli Affiliate: Oskar Painter | First 5 Authors: Connor T. Hann, Kyungjoo Noh, Harald Putterman, Matthew H. Matheny, Joseph K. Iverson | Summary: Dissipative cat qubits are a promising physical platform for quantum computing, since their large noise bias can enable more hardware-efficient quantum error correction. In this work we theoretically study the long-term prospects […]

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Quantum optimal control of superconducting qubits based on machine-learning characterization

Posted by dbos October 29, 2024November 11, 2024Berkeley

Kavli Affiliate: Irfan Siddiqi | First 5 Authors: Elie Genois, Noah J. Stevenson, Noah Goss, Irfan Siddiqi, Alexandre Blais | Summary: Implementing fast and high-fidelity quantum operations using open-loop quantum optimal control relies on having an accurate model of the quantum dynamics. Any deviations between this model and the complete dynamics of the device, such […]

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Morphogenesis of Spin Cycloids in a Non-collinear Antiferromagnet

Posted by dbos October 29, 2024November 11, 2024Cornell

Kavli Affiliate: Darrell G. Schlom | First 5 Authors: Shashank Kumar Ojha, Pratap Pal, Sergei Prokhorenko, Sajid Husain, Maya Ramesh | Summary: Pattern formation in spin systems with continuous-rotational symmetry (CRS) provides a powerful platform to study emergent complex magnetic phases and topological defects in condensed-matter physics. However, its understanding and correlation with unconventional magnetic […]

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