Linearly aligned single-chiral vortices in hexagonal manganites by electric arc heating
Abstract
Nanoscale topological defects, such as vortices and skyrmions in ferroic systems, have been intensively investigated due to their intriguing properties and behaviors. In addition to harnessing and tuning their functionalities, spatial manipulation and control of topological defects as functional elements are important for future nanotechnologies. Here in this paper, we report a linear alignment behavior of single-chiral vortices observed in thin transmission electron microscopy samples of multiferroic hexagonal manganites during an in situ heating experiment. In order to avoid chemical degradation during high-temperature heating in vacuum, we have utilized a rapid heating and quenching by in situ electric arcing. Using atomic resolution electron microscopy and phase-field simulation, we found that vortices and antivortices formed near the phase transition temperature are pulled out in the opposite directions by mechanical strain to leave single-chiral vortices linearly aligned along an isothermal line formed during quenching. In conclusion, Oour study provides important insight into spatial manipulation of the topological defects in oxide multiferroics by investigating far-equilibrium dynamics of symmetry-breaking continuous phase transitions.
- Authors:
-
[1];
- Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Dept.
- Pennsylvania State Univ., University Park, PA (United States). Dept of Materials Science & Engineering
- Rutgers Univ., Piscataway, NJ (United States). Rutgers Center for Emergent Materials and Dept. of Physics & Astronomy
- Publication Date:
- Research Org.:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1466586
- Alternate Identifier(s):
- OSTI ID: 1457206
- Report Number(s):
- BNL-207990-2018-JAAM
Journal ID: ISSN 2475-9953; PRMHAR
- Grant/Contract Number:
- SC0012704; FG02-07ER46417
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Materials
- Additional Journal Information:
- Journal Volume: 2; Journal Issue: 6; Journal ID: ISSN 2475-9953
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Han, Myung-Geun, Li, Jun, Xue, Fei, Wang, Xueyun, Meng, Qing-Ping, Tao, Jing, Chen, Long-Qing, Cheong, Sang-Wook, and Zhu, Yimei. Linearly aligned single-chiral vortices in hexagonal manganites by insitu electric arc heating. United States: N. p., 2018.
Web. doi:10.1103/PhysRevMaterials.2.064004.
Han, Myung-Geun, Li, Jun, Xue, Fei, Wang, Xueyun, Meng, Qing-Ping, Tao, Jing, Chen, Long-Qing, Cheong, Sang-Wook, & Zhu, Yimei. Linearly aligned single-chiral vortices in hexagonal manganites by insitu electric arc heating. United States. https://doi.org/10.1103/PhysRevMaterials.2.064004
Han, Myung-Geun, Li, Jun, Xue, Fei, Wang, Xueyun, Meng, Qing-Ping, Tao, Jing, Chen, Long-Qing, Cheong, Sang-Wook, and Zhu, Yimei. Tue .
"Linearly aligned single-chiral vortices in hexagonal manganites by insitu electric arc heating". United States. https://doi.org/10.1103/PhysRevMaterials.2.064004. https://www.osti.gov/servlets/purl/1466586.
@article{osti_1466586,
title = {Linearly aligned single-chiral vortices in hexagonal manganites by insitu electric arc heating},
author = {Han, Myung-Geun and Li, Jun and Xue, Fei and Wang, Xueyun and Meng, Qing-Ping and Tao, Jing and Chen, Long-Qing and Cheong, Sang-Wook and Zhu, Yimei},
abstractNote = {Nanoscale topological defects, such as vortices and skyrmions in ferroic systems, have been intensively investigated due to their intriguing properties and behaviors. In addition to harnessing and tuning their functionalities, spatial manipulation and control of topological defects as functional elements are important for future nanotechnologies. Here in this paper, we report a linear alignment behavior of single-chiral vortices observed in thin transmission electron microscopy samples of multiferroic hexagonal manganites during an in situ heating experiment. In order to avoid chemical degradation during high-temperature heating in vacuum, we have utilized a rapid heating and quenching by in situ electric arcing. Using atomic resolution electron microscopy and phase-field simulation, we found that vortices and antivortices formed near the phase transition temperature are pulled out in the opposite directions by mechanical strain to leave single-chiral vortices linearly aligned along an isothermal line formed during quenching. In conclusion, Oour study provides important insight into spatial manipulation of the topological defects in oxide multiferroics by investigating far-equilibrium dynamics of symmetry-breaking continuous phase transitions.},
doi = {10.1103/PhysRevMaterials.2.064004},
journal = {Physical Review Materials},
number = 6,
volume = 2,
place = {United States},
year = {Tue Jun 26 00:00:00 EDT 2018},
month = {Tue Jun 26 00:00:00 EDT 2018}
}
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Opportunities and challenges for magnetoelectric devices
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