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Title: Controllable skyrmion chirality in ferroelectrics

Abstract

Chirality, an intrinsic handedness, is one of the most intriguing fundamental phenomena in nature. Materials composed of chiral molecules find broad applications in areas ranging from nonlinear optics and spintronics to biology and pharmaceuticals. However, chirality is usually an invariable inherent property of a given material that cannot be easily changed at will. Here, we demonstrate that ferroelectric nanodots support skyrmions the chirality of which can be controlled and switched. We devise protocols for realizing control and efficient manipulations of the different types of skyrmions. Our findings open the route for controlled chirality with potential applications in ferroelectric-based information technologies.

Authors:
 [1];  [2];  [3];  [4];  [5];  [6];  [7];  [8];  [9];  [1];  [10];  [11]
  1. Southern Federal Univ., Rostov-on-Don (Russian Federation); Univ. of Picardie, Amiens (Frane)
  2. Univ. of Picardie, Amiens (Frane); Life Chemicals Inc., Kyiv (Ukraine)
  3. Academy of Sciences of the Czech Republic, Praha (Czech Republic); Univ. of Connecticut, Storrs, CT (United States)
  4. Southern Federal Univ., Rostov-on-Don (Russian Federation)
  5. Univ. des Sciences et Technologies de Lille (France)
  6. Univ. of Picardie, Amiens (Frane)
  7. Univ. of Chicago, IL (United States)
  8. Univ. of Connecticut, Storrs, CT (United States)
  9. Argonne National Lab. (ANL), Argonne, IL (United States)
  10. Akademika Semenova, Chernogolovka (Russian Federation)
  11. Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Chicago, IL (United States)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
Southern Federal University; USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division
OSTI Identifier:
1637470
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Scientific Reports
Additional Journal Information:
Journal Volume: 10; Journal Issue: 1; Journal ID: ISSN 2045-2322
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Tikhonov, Yu., Kondovych, S., Mangeri, J., Pavlenko, M., Baudry, L., Sené, A., Galda, A., Nakhmanson, S., Heinonen, O., Razumnaya, A., Luk’yanchuk, I., and Vinokur, V. M. Controllable skyrmion chirality in ferroelectrics. United States: N. p., 2020. Web. https://doi.org/10.1038/s41598-020-65291-8.
Tikhonov, Yu., Kondovych, S., Mangeri, J., Pavlenko, M., Baudry, L., Sené, A., Galda, A., Nakhmanson, S., Heinonen, O., Razumnaya, A., Luk’yanchuk, I., & Vinokur, V. M. Controllable skyrmion chirality in ferroelectrics. United States. https://doi.org/10.1038/s41598-020-65291-8
Tikhonov, Yu., Kondovych, S., Mangeri, J., Pavlenko, M., Baudry, L., Sené, A., Galda, A., Nakhmanson, S., Heinonen, O., Razumnaya, A., Luk’yanchuk, I., and Vinokur, V. M. Tue . "Controllable skyrmion chirality in ferroelectrics". United States. https://doi.org/10.1038/s41598-020-65291-8. https://www.osti.gov/servlets/purl/1637470.
@article{osti_1637470,
title = {Controllable skyrmion chirality in ferroelectrics},
author = {Tikhonov, Yu. and Kondovych, S. and Mangeri, J. and Pavlenko, M. and Baudry, L. and Sené, A. and Galda, A. and Nakhmanson, S. and Heinonen, O. and Razumnaya, A. and Luk’yanchuk, I. and Vinokur, V. M.},
abstractNote = {Chirality, an intrinsic handedness, is one of the most intriguing fundamental phenomena in nature. Materials composed of chiral molecules find broad applications in areas ranging from nonlinear optics and spintronics to biology and pharmaceuticals. However, chirality is usually an invariable inherent property of a given material that cannot be easily changed at will. Here, we demonstrate that ferroelectric nanodots support skyrmions the chirality of which can be controlled and switched. We devise protocols for realizing control and efficient manipulations of the different types of skyrmions. Our findings open the route for controlled chirality with potential applications in ferroelectric-based information technologies.},
doi = {10.1038/s41598-020-65291-8},
journal = {Scientific Reports},
number = 1,
volume = 10,
place = {United States},
year = {2020},
month = {5}
}

Journal Article:
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Figures / Tables:

Figure 1 Figure 1: Ferroelectric switch circuit and skyrmion states. (a) The circuit is controlled by the external switching voltage U. The top electrode is separated from the ferroelectric nanodot carrying the polarization topological states. (b) Four types of the skyrmions, differing by their chirality and polarity. The hand pictograms define themore » classification of the skyrmions.« less

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