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Title: Magnetization Reversal of Three-Dimensional Nickel Anti-Sphere Arrays

Abstract

Three-dimensional antisphere arrays (3DAAs) of Ni have been fabricated here using electrochemical deposition into self-assembled polystyrene sphere templates, which offers the advantage of straightforward scalability. Using the first-order reversal curve (FORC) method, the magnetic reversal mechanism is identified from the characteristic features in the FORC distribution. A left-bending boomerang-like feature is observed in the thinnest sample, which transforms to a ridge oriented along the local coercivity Hc axis with increasing sample thickness. This transformation identifies a change in the reversal process from an exchange dominated domain-growth reversal to a localized weakly interacting particle-like reversal. Micromagnetic simulations confirm the decrease in domain growth and increase of pinning behaviors as the thickness of the Ni 3DAAs structure increases, providing strong support to the FORC analysis and interpretation.

Authors:
 [1];  [2];  [2];  [3];  [2];  [4];  [4];  [5];  [6];  [7];  [8];  [9];  [10]; ORCiD logo [2]
+ Show Author Affiliations
  1. Bryn Mawr College, PA (United States). Dept. of Physics; Nanjing Univ. (China). School of Electronic Science and Engineering
  2. Bryn Mawr College, PA (United States). Dept. of Physics
  3. Bryn Mawr College, PA (United States). Dept. of Physics; Zhongyuan Univ. of Technology, Zhengzhou (China). School of Electric and Information Engineering
  4. Univ. of Texas, Arlington, TX (United States). Dept. of Materials Science and Engineering
  5. Villanova Univ., PA (United States). Dept. of Mechanical Engineering; Valparaiso Univ., IN (United States). Dept. of Mechanical Engineering
  6. Villanova Univ., PA (United States). Dept. of Mechanical Engineering
  7. Nanjing Univ. (China). School of Electronic Science and Engineering
  8. Univ. of California, Davis, CA (United States). Physics Dept.; National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States)
  9. Univ. of California, Davis, CA (United States). Physics Dept.
  10. Colorado State Univ., Fort Collins, CO (United States). Dept. of Physics
Publication Date:
Research Org.:
Colorado State Univ., Fort Collins, CO (United States); Bryn Mawr College, PA (United States); Univ. of California, Davis, CA (United States); Univ. of Texas, Arlington, TX (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); China Scholarship Council
OSTI Identifier:
1418627
Grant/Contract Number:  
1207085; DMR-1008791; DMR-1543582; 1207377
Resource Type:
Accepted Manuscript
Journal Name:
IEEE Magnetics Letters
Additional Journal Information:
Journal Volume: 8; Journal ID: ISSN 1949-307X
Publisher:
IEEE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; nanomagnetics; three-dimensional antisphere arrays; first-order reversal curve; micromagnetic simulation

Citation Formats

Yu, Le, Yan, Zhongying, Yang, Han-Chang, Chai, Xuzhao, Li, Bingqing, Moeendarbari, Sina, Hao, Yaowu, Zhang, Di, Feng, Gang, Han, Ping, Gilbert, Dustin A., Liu, Kai, Buchanan, Kristen S., and Cheng, Xuemei. Magnetization Reversal of Three-Dimensional Nickel Anti-Sphere Arrays. United States: N. p., 2016. Web. doi:10.1109/LMAG.2016.2616325.
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Yu, Le, Yan, Zhongying, Yang, Han-Chang, Chai, Xuzhao, Li, Bingqing, Moeendarbari, Sina, Hao, Yaowu, Zhang, Di, Feng, Gang, Han, Ping, Gilbert, Dustin A., Liu, Kai, Buchanan, Kristen S., & Cheng, Xuemei. Magnetization Reversal of Three-Dimensional Nickel Anti-Sphere Arrays. United States. https://doi.org/10.1109/LMAG.2016.2616325
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Yu, Le, Yan, Zhongying, Yang, Han-Chang, Chai, Xuzhao, Li, Bingqing, Moeendarbari, Sina, Hao, Yaowu, Zhang, Di, Feng, Gang, Han, Ping, Gilbert, Dustin A., Liu, Kai, Buchanan, Kristen S., and Cheng, Xuemei. Tue . "Magnetization Reversal of Three-Dimensional Nickel Anti-Sphere Arrays". United States. https://doi.org/10.1109/LMAG.2016.2616325. https://www.osti.gov/servlets/purl/1418627.
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@article{osti_1418627,
title = {Magnetization Reversal of Three-Dimensional Nickel Anti-Sphere Arrays},
author = {Yu, Le and Yan, Zhongying and Yang, Han-Chang and Chai, Xuzhao and Li, Bingqing and Moeendarbari, Sina and Hao, Yaowu and Zhang, Di and Feng, Gang and Han, Ping and Gilbert, Dustin A. and Liu, Kai and Buchanan, Kristen S. and Cheng, Xuemei},
abstractNote = {Three-dimensional antisphere arrays (3DAAs) of Ni have been fabricated here using electrochemical deposition into self-assembled polystyrene sphere templates, which offers the advantage of straightforward scalability. Using the first-order reversal curve (FORC) method, the magnetic reversal mechanism is identified from the characteristic features in the FORC distribution. A left-bending boomerang-like feature is observed in the thinnest sample, which transforms to a ridge oriented along the local coercivity Hc axis with increasing sample thickness. This transformation identifies a change in the reversal process from an exchange dominated domain-growth reversal to a localized weakly interacting particle-like reversal. Micromagnetic simulations confirm the decrease in domain growth and increase of pinning behaviors as the thickness of the Ni 3DAAs structure increases, providing strong support to the FORC analysis and interpretation.},
doi = {10.1109/LMAG.2016.2616325},
journal = {IEEE Magnetics Letters},
number = ,
volume = 8,
place = {United States},
year = {Tue Oct 11 00:00:00 EDT 2016},
month = {Tue Oct 11 00:00:00 EDT 2016}
}
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Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1109/LMAG.2016.2616325
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Cited by: 2 works
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Figures / Tables:

Fig. 1 Fig. 1: (a) Schematic illustrations showing the fabrication process of Ni 3DAAs by electrodepositing into a self-assembled template of polystyrene spheres (PS). (b) Top-view SEM images of Ni 3DAAs with a pore size of 200 nm and the reduced Ni ion charge of -5.0 C, where the light and darkmore » areas are Ni and voids, respectively. (c) Cross-sectional SEM images of Ni 3DAAs with the same pore size as (b). The reduced Ni ion charge used during the deposition, ranging from -0.5 C to -5.0 C, results in increasing sample thickness.« less
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Works referencing / citing this record:

Launching a new dimension with 3D magnetic nanostructures
journal, January 2020

  • Fischer, Peter; Sanz-Hernández, Dédalo; Streubel, Robert
  • APL Materials, Vol. 8, Issue 1
  • DOI: 10.1063/1.5134474
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