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Title: Dynamic Control of Topological Defects in Artificial Colloidal Ice

Abstract

We demonstrate the use of an external field to stabilize and control defect lines connecting topological monopoles in spin ice. For definiteness we perform Brownian dynamics simulations with realistic units mimicking experimentally realized artificial colloidal spin ice systems, and show how defect lines can grow, shrink or move under the action of direct and alternating fields. Asymmetric alternating biasing forces can cause the defect line to ratchet in either direction, making it possible to precisely position the line at a desired location. Such manipulation could be employed to achieve mobile information storage in these metamaterials.

Authors:
 [1]; ORCiD logo [2];  [2];  [2]
  1. Babes-Bolyai Univ., Cluj (Romania). Faculty of Mathematics and Computer Science; Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Laboratory Directed Research and Development (LDRD) Program; USDOE National Nuclear Security Administration (NNSA)
Contributing Org.:
Babes-Bolyai Univ., Cluj (Romania)
OSTI Identifier:
1360706
Alternate Identifier(s):
OSTI ID: 1479971
Report Number(s):
LA-UR-16-26418; LA-UR-18-29683
Journal ID: ISSN 2045-2322
Grant/Contract Number:  
AC52-06NA25396
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Scientific Reports
Additional Journal Information:
Journal Volume: 7; Journal ID: ISSN 2045-2322
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Material Science

Citation Formats

Libál, A., Nisoli, C., Reichhardt, C., and Reichhardt, C. J. Olson. Dynamic Control of Topological Defects in Artificial Colloidal Ice. United States: N. p., 2017. Web. doi:10.1038/s41598-017-00452-w.
Libál, A., Nisoli, C., Reichhardt, C., & Reichhardt, C. J. Olson. Dynamic Control of Topological Defects in Artificial Colloidal Ice. United States. doi:10.1038/s41598-017-00452-w.
Libál, A., Nisoli, C., Reichhardt, C., and Reichhardt, C. J. Olson. Wed . "Dynamic Control of Topological Defects in Artificial Colloidal Ice". United States. doi:10.1038/s41598-017-00452-w. https://www.osti.gov/servlets/purl/1360706.
@article{osti_1360706,
title = {Dynamic Control of Topological Defects in Artificial Colloidal Ice},
author = {Libál, A. and Nisoli, C. and Reichhardt, C. and Reichhardt, C. J. Olson},
abstractNote = {We demonstrate the use of an external field to stabilize and control defect lines connecting topological monopoles in spin ice. For definiteness we perform Brownian dynamics simulations with realistic units mimicking experimentally realized artificial colloidal spin ice systems, and show how defect lines can grow, shrink or move under the action of direct and alternating fields. Asymmetric alternating biasing forces can cause the defect line to ratchet in either direction, making it possible to precisely position the line at a desired location. Such manipulation could be employed to achieve mobile information storage in these metamaterials.},
doi = {10.1038/s41598-017-00452-w},
journal = {Scientific Reports},
issn = {2045-2322},
number = ,
volume = 7,
place = {United States},
year = {2017},
month = {4}
}

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