Nonequilibrium design strategies for functional colloidal assemblies

Kavli Affiliate: David T. Limmer | First 5 Authors: Avishek Das, David T. Limmer, , , | Summary: We use a nonequilibrium variational principle to optimize the steady-state, shear-induced interconversion of self-assembled nanoclusters of DNA-coated colloids. Employing this principle within a stochastic optimization algorithm allows us to discover design strategies for functional materials. We find […]


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Improving Conversational Recommender System via Contextual and Time-Aware Modeling with Less Domain-Specific Knowledge

Kavli Affiliate: Wei Gao | First 5 Authors: Lingzhi Wang, Shafiq Joty, Wei Gao, Xingshan Zeng, Kam-Fai Wong | Summary: Conversational Recommender Systems (CRS) has become an emerging research topic seeking to perform recommendations through interactive conversations, which generally consist of generation and recommendation modules. Prior work on CRS tends to incorporate more external and […]


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Ronchigram Simulation and Training through Ronchigram.com

Kavli Affiliate: Lena F. Kourkoutis | First 5 Authors: Suk Hyun Sung, Noah Schnitzer, William Millsaps, Lena F. Kourkoutis, Robert Hovden | Summary: This article introduces a training simulator for electron beam alignment using Ronchigrams. The interactive web application, www.ronchigram.com, is an advanced educational tool aimed at making scanning transmission electron microscopy (STEM) more accessible […]


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Dynamics of photo-induced ferromagnetism in oxides with orbital degeneracy

Kavli Affiliate: Ankit Disa | First 5 Authors: Jonathan B. Curtis, Ankit Disa, Michael Fechner, Andrea Cavalleri, Prineha Narang | Summary: By using intense coherent electromagnetic radiation, it may be possible to manipulate the properties of quantum materials very quickly, or even induce new and potentially useful phases that are absent in equilibrium. For instance, […]


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Photoacoustic vector tomography for deep hemodynamic imaging

Kavli Affiliate: Lihong V. Wang | First 5 Authors: Yang Zhang, Joshua Olick-Gibson, Anjul Khadria, Lihong V. Wang, | Summary: Non-invasive imaging of deep blood vessels for mapping hemodynamics remains an open quest in biomedical optical imaging. Although pure optical imaging techniques offer rich optical contrast of blood and have been reported to measure blood […]


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3D-Patterned Inverse-Designed Mid-Infrared Metaoptics

Kavli Affiliate: Andrei Faraon | First 5 Authors: Gregory Roberts, Conner Ballew, Tianzhe Zheng, Juan C. Garcia, Sarah Camayd-Muñoz | Summary: Modern imaging systems can be enhanced in efficiency, compactness, and application through introduction of multilayer nanopatterned structures for manipulation of light based on its fundamental properties. High transmission efficiency multispectral imaging is surprisingly elusive […]


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Structure and dynamics of motor-driven microtubule bundles

Kavli Affiliate: Daniel J. Needleman | First 5 Authors: Bezia Lemma, Linnea Lemma, Stephanie C. Ems-McClung, Claire E. Walczak, Zvonimir Dogic | Summary: Connecting the large-scale emergent behaviors of active materials to the microscopic properties of their constituents is a challenge due to a lack of data on the multiscale dynamics and structure of such […]


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Dynamics of Time-Modulated, Nonlinear Phononic Lattices

Kavli Affiliate: Chiara Daraio | First 5 Authors: Brian L. Kim, Christoper Chong, Setare Hajarolasvadi, Yifan Wang, Chiara Daraio | Summary: The propagation of acoustic and elastic waves in time-varying, spatially homogeneous media can exhibit different phenomena when compared to traditional spatially-varying, temporally-homogeneous media. In the present work, the response of a one-dimensional phononic lattice […]


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Ab Initio Calculations of XUV Ground and Excited States for First-Row Transition Metal Oxides

Kavli Affiliate: Scott K. Cushing | First 5 Authors: Isabel M. Klein, Alex Krotz, Jonathan M. Michelsen, Scott K. Cushing, | Summary: Transient X-ray spectroscopies have become ubiquitous in studying photoexcited dynamics in solar energy materials due to their sensitivity to carrier occupations and local chemical or structural dynamics. The interpretation of solid-state photoexcited dynamics, […]


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