Výsledky vyhledávání - "Pattison, Alexander"

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BEACON -- Automated Aberration Correction for Scanning Transmission Electron Microscopy using Bayesian Optimization

Autor: Pattison, Alexander J., Ribet, Stephanie M., Noack, Marcus M., Varnavides, Georgios, Park, Kunwoo, Kirkland, Earl, Park, Jungwon, Ophus, Colin, Ercius, Peter

Aberration correction is an important aspect of modern high-resolution scanning transmission electron microscopy. Most methods of aligning aberration correctors require specialized sample regions and are unsuitable for fine-tuning aberrations without

Externí odkaz: http://arxiv.org/abs/2410.14873

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Mapping electron beam-induced radiolytic damage in molecular crystals

Autor: Saha, Ambarneil, Mecklenburg, Matthew, Pattison, Alexander J., Brewster, Aaron S., Rodriguez, Jose A., Ercius, Peter

Every electron crystallography experiment is fundamentally limited by radiation damage. Nevertheless, little is known about the onset and progression of radiolysis in beam-sensitive molecular crystals. Here we apply ambient-temperature scanning nanob

Externí odkaz: http://arxiv.org/abs/2404.18011

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Advanced Techniques in Automated High Resolution Scanning Transmission Electron Microscopy

Autor: Pattison, Alexander, Pedroso, Cassio C. S., Cohen, Bruce E., Ondry, Justin C., Alivisatos, A. Paul, Theis, Wolfgang, Ercius, Peter

Scanning transmission electron microscopy is a common tool used to study the atomic structure of materials. It is an inherently multimodal tool allowing for the simultaneous acquisition of multiple information channels. Despite its versatility, howev

Externí odkaz: http://arxiv.org/abs/2303.05543

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Revealing 3-dimensional core-shell interface structures at the single-atom level

Autor: Jo, Hyesung, Wi, Dae Han, Lee, Taegu, Kwon, Yongmin, Jeong, Chaehwa, Lee, Juhyeok, Baik, Hionsuck, Pattison, Alexander J., Theis, Wolfgang, Ophus, Colin, Ercius, Peter, Lee, Yea-Lee, Ryu, Seunghwa, Han, Sang Woo, Yang, Yongsoo

Publikováno v: Nature Communications volume 13, Article number: 5957 (2022)

Nanomaterials with core-shell architectures are prominent examples of strain-engineered materials, where material properties can be designed by fine-tuning the misfit strain at the interface. Here, we elucidate the full 3D atomic structure of Pd@Pt c

Externí odkaz: http://arxiv.org/abs/2207.06677

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