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Title: Tuning Magnetic Soliton Phase via Dimensional Confinement in Exfoliated 2D Cr 1/3 NbS 2 Thin Flakes

Journal Article · · Nano Letters
 [1];  [2]; ORCiD logo [2];  [3];  [4];  [4]; ORCiD logo [4];  [5]; ORCiD logo [4]
  1. Central South Univ., Changsha (China). State Key Lab. of Powder Metallurgy; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Science (CNMS); Univ. of Tennessee, Knoxville, TN (United States). Dept. of Materials Science and Engineering
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science & Technology Division
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Science (CNMS); Univ. of Tennessee, Knoxville, TN (United States). Dept. of Materials Science and Engineering
  4. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Science (CNMS)
  5. Univ. of Tennessee, Knoxville, TN (United States). Dept. of Materials Science and Engineering
+ Show Author Affiliations

Thin flakes of Cr1/3NbS2 are fabricated successfully via microexfoliation techniques. Temperature-dependent and field-dependent magnetizations of thin flakes with various thicknesses are investigated. When the thickness of the flake is around several hundred nanometers, the softening and eventual disappearance of the bulk soliton peak is accompanied by the appearance of other magnetic peaks at lower magnetic fields. The emergence and annihilation of the soliton peaks are explained and simulated theoretically by the change in spin spiral number inside the soliton lattice due to dimensional confinement. Compared to the conventional magnetic states in nanoscale materials, the stability and thickness tunability of quantified spin spirals make Cr1/3NbS2 a potential candidate for spintronics nanodevices beyond Moore’s law.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1436940
Journal Information:
Nano Letters, Journal Name: Nano Letters Journal Issue: 6 Vol. 18; ISSN 1530-6984
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English

References (20)

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Cited By (3)

2D Diluted Multiferroic Semiconductors upon Intercalation journal April 2019
Critical phenomenon and phase diagram of Mn-intercalated layered MnNb 3 S 6 journal March 2019
Critical phenomenon of the layered chiral helimagnetic YbNi 3 Al 9 journal January 2020

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2D materials
36 MATERIALS SCIENCE
dimensional confinement
ferromagnetism
helimagnetism
soliton