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Title: Experimental evidence of skyrmion-like configurations in bilayer nanodisks with perpendicular magnetic anisotropy

Abstract

Formation and existence of magnetic skyrmion-like configurations in bilayer nanodisks (Ta(3 nm)/[Co(0.37 nm)/Ni(0.58 nm)]{sub 10}){sub 2} with perpendicular magnetic anisotropy are shown experimentally at room temperature. Magnetization reversal through the skyrmion state is studied using magnetic hysteresis measurements. An evolution of skyrmion configurations in the nanodisk structure is analyzed. Experimental methods and micromagnetic simulations help to understand the magnetization reversal processes occurring through the stable skyrmion-like configurations. Formation of the intermediate C-states during magnetization reversal is demonstrated. The skyrmion number for all possible spin configurations is calculated.

Authors:
; ; ; ; ;  [1]
  1. Laboratory of Thin Film Technologies, School of Natural Sciences, Far Eastern Federal University, Vladivostok 690950 (Russian Federation)
Publication Date:
OSTI Identifier:
22409966
Resource Type:
Journal Article
Journal Name:
Journal of Applied Physics
Additional Journal Information:
Journal Volume: 117; Journal Issue: 17; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0021-8979
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ANISOTROPY; COBALT; HYSTERESIS; INTERFACES; LAYERS; MAGNETIC MATERIALS; MAGNETISM; MAGNETIZATION; NANOSTRUCTURES; NICKEL; SKYRME POTENTIAL; SOLITONS; SPIN; TANTALUM; TEMPERATURE RANGE 0273-0400 K

Citation Formats

Stebliy, Maxim E., E-mail: stebliyme@gmail.com, Kolesnikov, Alexander G., Davydenko, Alexander V., Ognev, Alexey V., Samardak, Alexander S., and Chebotkevich, Ludmila A. Experimental evidence of skyrmion-like configurations in bilayer nanodisks with perpendicular magnetic anisotropy. United States: N. p., 2015. Web. doi:10.1063/1.4918685.
Stebliy, Maxim E., E-mail: stebliyme@gmail.com, Kolesnikov, Alexander G., Davydenko, Alexander V., Ognev, Alexey V., Samardak, Alexander S., & Chebotkevich, Ludmila A. Experimental evidence of skyrmion-like configurations in bilayer nanodisks with perpendicular magnetic anisotropy. United States. doi:10.1063/1.4918685.
Stebliy, Maxim E., E-mail: stebliyme@gmail.com, Kolesnikov, Alexander G., Davydenko, Alexander V., Ognev, Alexey V., Samardak, Alexander S., and Chebotkevich, Ludmila A. Thu . "Experimental evidence of skyrmion-like configurations in bilayer nanodisks with perpendicular magnetic anisotropy". United States. doi:10.1063/1.4918685.
@article{osti_22409966,
title = {Experimental evidence of skyrmion-like configurations in bilayer nanodisks with perpendicular magnetic anisotropy},
author = {Stebliy, Maxim E., E-mail: stebliyme@gmail.com and Kolesnikov, Alexander G. and Davydenko, Alexander V. and Ognev, Alexey V. and Samardak, Alexander S. and Chebotkevich, Ludmila A.},
abstractNote = {Formation and existence of magnetic skyrmion-like configurations in bilayer nanodisks (Ta(3 nm)/[Co(0.37 nm)/Ni(0.58 nm)]{sub 10}){sub 2} with perpendicular magnetic anisotropy are shown experimentally at room temperature. Magnetization reversal through the skyrmion state is studied using magnetic hysteresis measurements. An evolution of skyrmion configurations in the nanodisk structure is analyzed. Experimental methods and micromagnetic simulations help to understand the magnetization reversal processes occurring through the stable skyrmion-like configurations. Formation of the intermediate C-states during magnetization reversal is demonstrated. The skyrmion number for all possible spin configurations is calculated.},
doi = {10.1063/1.4918685},
journal = {Journal of Applied Physics},
issn = {0021-8979},
number = 17,
volume = 117,
place = {United States},
year = {2015},
month = {5}
}