Electron-beam-induced-current and active secondary-electron voltage-contrast with aberration-corrected electron probes
Abstract
The ability to map out electrostatic potentials in materials is critical for the development and the design of nanoscale electronic and spintronic devices in modern industry. Electron holography has been an important tool for revealing electric and magnetic field distributions in microelectronics and magnetic-based memory devices, however, its utility is hindered by several practical constraints, such as charging artifacts and limitations in sensitivity and in field of view. In this article, we report electron-beam-induced-current (EBIC) and secondary-electron voltage-contrast (SE-VC) with an aberration-corrected electron probe in a transmission electron microscope (TEM), as complementary techniques to electron holography, to measure electric fields and surface potentials, respectively. These two techniques were applied to ferroelectric thin films, multiferroic nanowires, and single crystals. Electrostatic potential maps obtained by off-axis electron holography were compared with EBIC and SE-VC to show that these techniques can be used as a complementary approach to validate quantitative results obtained from electron holography analysis.
- Authors:
-
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Brookhaven National Lab. (BNL), Upton, NY (United States); Stony Brook Univ., NY (United States)
- Stony Brook Univ., NY (United States)
- Rutgers Univ., Piscataway, NJ (United States)
- Yale Univ., New Haven, CT (United States)
- Publication Date:
- Research Org.:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1389237
- Alternate Identifier(s):
- OSTI ID: 1416657
- Report Number(s):
- BNL-114213-2017-JA
Journal ID: ISSN 0304-3991; R&D Project: MA015MACA; KC0201010
- Grant/Contract Number:
- SC0012704; DESC0012704
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Ultramicroscopy
- Additional Journal Information:
- Journal Volume: 176; Journal Issue: C; Journal ID: ISSN 0304-3991
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Han, Myung-Geun, Garlow, Joseph A., Marshall, Matthew S. J., Tiano, Amanda L., Wong, Stanislaus S., Cheong, Sang-Wook, Walker, Frederick J., Ahn, Charles H., and Zhu, Yimei. Electron-beam-induced-current and active secondary-electron voltage-contrast with aberration-corrected electron probes. United States: N. p., 2017.
Web. doi:10.1016/j.ultramic.2017.03.028.
Han, Myung-Geun, Garlow, Joseph A., Marshall, Matthew S. J., Tiano, Amanda L., Wong, Stanislaus S., Cheong, Sang-Wook, Walker, Frederick J., Ahn, Charles H., & Zhu, Yimei. Electron-beam-induced-current and active secondary-electron voltage-contrast with aberration-corrected electron probes. United States. https://doi.org/10.1016/j.ultramic.2017.03.028
Han, Myung-Geun, Garlow, Joseph A., Marshall, Matthew S. J., Tiano, Amanda L., Wong, Stanislaus S., Cheong, Sang-Wook, Walker, Frederick J., Ahn, Charles H., and Zhu, Yimei. Thu .
"Electron-beam-induced-current and active secondary-electron voltage-contrast with aberration-corrected electron probes". United States. https://doi.org/10.1016/j.ultramic.2017.03.028. https://www.osti.gov/servlets/purl/1389237.
@article{osti_1389237,
title = {Electron-beam-induced-current and active secondary-electron voltage-contrast with aberration-corrected electron probes},
author = {Han, Myung-Geun and Garlow, Joseph A. and Marshall, Matthew S. J. and Tiano, Amanda L. and Wong, Stanislaus S. and Cheong, Sang-Wook and Walker, Frederick J. and Ahn, Charles H. and Zhu, Yimei},
abstractNote = {The ability to map out electrostatic potentials in materials is critical for the development and the design of nanoscale electronic and spintronic devices in modern industry. Electron holography has been an important tool for revealing electric and magnetic field distributions in microelectronics and magnetic-based memory devices, however, its utility is hindered by several practical constraints, such as charging artifacts and limitations in sensitivity and in field of view. In this article, we report electron-beam-induced-current (EBIC) and secondary-electron voltage-contrast (SE-VC) with an aberration-corrected electron probe in a transmission electron microscope (TEM), as complementary techniques to electron holography, to measure electric fields and surface potentials, respectively. These two techniques were applied to ferroelectric thin films, multiferroic nanowires, and single crystals. Electrostatic potential maps obtained by off-axis electron holography were compared with EBIC and SE-VC to show that these techniques can be used as a complementary approach to validate quantitative results obtained from electron holography analysis.},
doi = {10.1016/j.ultramic.2017.03.028},
journal = {Ultramicroscopy},
number = C,
volume = 176,
place = {United States},
year = {Thu Mar 23 00:00:00 EDT 2017},
month = {Thu Mar 23 00:00:00 EDT 2017}
}
Web of Science
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Works referencing / citing this record:
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