skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Vortex circulation patterns in planar microdisk arrays

Abstract

We report a magnetic X-ray microscopy study of the pattern formation of circulation in arrays of magnetic vortices ordered in a hexagonal and a honeycomb lattice. In the honeycomb lattice, we observe at remanence an ordered phase of alternating circulations, whereas in the hexagonal lattice, small regions of alternating lines form. A variation in the edge-to-edge distance shows that the size of those regions scales with the magnetostatic interaction. Micromagnetic simulations reveal that the patterns result from the formation of flux closure states during the nucleation process.

Authors:
 [1];  [2]; ORCiD logo [2];  [3];  [4];  [2];  [2];  [5];  [6];  [3]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ. of Hamburg (Germany)
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  3. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ. of California, Santa Cruz, CA (United States)
  4. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Daegu Gyeongbuk Inst. of Science and Technology, Daegu (South Korea, Republic of)
  5. Univ. of Hamburg (Germany)
  6. Max-Planck Institute for the Structure and Dynamics of Matter, Hamburg (Germany)
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1439220
Alternate Identifier(s):
OSTI ID: 1371495
Grant/Contract Number:  
AC02-05CH11231; AC02-05- CH11231; AC02-05-CH11231
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Applied Physics Letters
Additional Journal Information:
Journal Volume: 110; Journal Issue: 26; Related Information: © 2017 Author(s).; Journal ID: ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS

Citation Formats

Velten, Sven, Streubel, Robert, Farhan, Alan, Kent, Noah, Im, Mi-Young, Scholl, Andreas, Dhuey, Scott, Behncke, Carolin, Meier, Guido, and Fischer, Peter. Vortex circulation patterns in planar microdisk arrays. United States: N. p., 2017. Web. doi:10.1063/1.4990990.
Velten, Sven, Streubel, Robert, Farhan, Alan, Kent, Noah, Im, Mi-Young, Scholl, Andreas, Dhuey, Scott, Behncke, Carolin, Meier, Guido, & Fischer, Peter. Vortex circulation patterns in planar microdisk arrays. United States. doi:10.1063/1.4990990.
Velten, Sven, Streubel, Robert, Farhan, Alan, Kent, Noah, Im, Mi-Young, Scholl, Andreas, Dhuey, Scott, Behncke, Carolin, Meier, Guido, and Fischer, Peter. Mon . "Vortex circulation patterns in planar microdisk arrays". United States. doi:10.1063/1.4990990. https://www.osti.gov/servlets/purl/1439220.
@article{osti_1439220,
title = {Vortex circulation patterns in planar microdisk arrays},
author = {Velten, Sven and Streubel, Robert and Farhan, Alan and Kent, Noah and Im, Mi-Young and Scholl, Andreas and Dhuey, Scott and Behncke, Carolin and Meier, Guido and Fischer, Peter},
abstractNote = {We report a magnetic X-ray microscopy study of the pattern formation of circulation in arrays of magnetic vortices ordered in a hexagonal and a honeycomb lattice. In the honeycomb lattice, we observe at remanence an ordered phase of alternating circulations, whereas in the hexagonal lattice, small regions of alternating lines form. A variation in the edge-to-edge distance shows that the size of those regions scales with the magnetostatic interaction. Micromagnetic simulations reveal that the patterns result from the formation of flux closure states during the nucleation process.},
doi = {10.1063/1.4990990},
journal = {Applied Physics Letters},
number = 26,
volume = 110,
place = {United States},
year = {Mon Jun 26 00:00:00 EDT 2017},
month = {Mon Jun 26 00:00:00 EDT 2017}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

Citation Metrics:
Cited by: 2 works
Citation information provided by
Web of Science

Save / Share: