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| Hauptseite > Publikationsdatenbank > Quantitative Characterization of Nanometer-Scale Electric Fields via Momentum-Resolved STEM > print |
| Hauptseite > Publikationsdatenbank > Quantitative Characterization of Nanometer-Scale Electric Fields via Momentum-Resolved STEM > print |
| 001 | 893874 | ||
| 005 | 20210810182032.0 | ||
| 024 | 7 | _ | |a 10.1021/acs.nanolett.0c04544 |2 doi |
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| 041 | _ | _ | |a English |
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| 100 | 1 | _ | |a Beyer, Andreas |0 0000-0001-6533-0631 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Quantitative Characterization of Nanometer-Scale Electric Fields via Momentum-Resolved STEM |
| 260 | _ | _ | |a Washington, DC |c 2021 |b ACS Publ. |
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| 520 | _ | _ | |a Most of today’s electronic devices, like solar cells and batteries, are based on nanometer-scale built-in electric fields. Accordingly, characterization of fields at such small scales has become an important task in the optimization of these devices. In this study, with GaAs-based p–n junctions as the example, key characteristics such as doping concentrations, polarity, and the depletion width are derived quantitatively using four-dimensional scanning transmission electron microscopy (4DSTEM). The built-in electric fields are determined by the shift they introduce to the center-of-mass of electron diffraction patterns at subnanometer spatial resolution. The method is applied successfully to characterize two p–n junctions with different doping concentrations. This highlights the potential of this method to directly visualize intentional or unintentional nanoscale electric fields in real-life devices, e.g., batteries, transistors, and solar cells. |
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| 700 | 1 | _ | |a Munde, Manveer Singh |0 P:(DE-HGF)0 |b 1 |
| 700 | 1 | _ | |a Firoozabadi, Saleh |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Heimes, Damien |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Grieb, Tim |0 P:(DE-HGF)0 |b 4 |
| 700 | 1 | _ | |a Rosenauer, Andreas |0 P:(DE-HGF)0 |b 5 |
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| 773 | _ | _ | |a 10.1021/acs.nanolett.0c04544 |g Vol. 21, no. 5, p. 2018 - 2025 |0 PERI:(DE-600)2048866-X |n 5 |p 2018 - 2025 |t Nano letters |v 21 |y 2021 |x 1530-6992 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/893874/files/acs.nanolett.0c04544.pdf |
| 856 | 4 | _ | |y Published on 2021-02-23. Available in OpenAccess from 2022-02-23. |u https://juser.fz-juelich.de/record/893874/files/Quantitative%20Characterization-Resolved%20STEM.pdf |
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