• Editors' Suggestion

Intrinsic hysteresis due to the surface barrier for chiral solitons in monoaxial chiral helimagnets

M. Shinozaki, Y. Masaki, R. Aoki, Y. Togawa, and Y. Kato
Phys. Rev. B 97, 214413 – Published 13 June 2018

Abstract

We present a theory of a surface barrier for isolated solitons to enter chiral magnets, in an analogous way to that of the Bean-Livingston barrier in the type II superconductors. With this theory, we discuss hysteresis observed in magnetoresistance (MR) measurements of monoaxial chiral helimagnet CrNb3S6. We argue that a large jump in the decreasing field process of MR of micrometer-sized samples is due to the disappearance of the surface barrier for the chiral soliton at a field H=Hb. This argument is justified through agreement between the experimental results at 10 K and our theoretical result Hb/Hc=4/π20.4 (with thermodynamic critical field Hc) based on the sine-Gordon model.

  • Figure
  • Figure
  • Figure
  • Figure
  • Figure
  • Figure
  • Received 31 December 2017
  • Revised 8 May 2018

DOI:https://doi.org/10.1103/PhysRevB.97.214413

©2018 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

M. Shinozaki1, Y. Masaki2, R. Aoki3, Y. Togawa3, and Y. Kato1,2

  • 1Department of Basic Science, The University of Tokyo, Meguro-ku, Tokyo 153-8902, Japan
  • 2Department of Physics, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
  • 3Department of Physics and Electronics, Osaka Prefecture University, 1-1 Gakuencho, Sakai, Osaka 599-8531 Japan

See Also

Electrical transport properties of micrometer-sized samples of the rare-earth chiral magnet YbNi3Al9

Ryuya Aoki, Yoshihiko Togawa, and Shigeo Ohara
Phys. Rev. B 97, 214414 (2018)

Article Text (Subscription Required)

Click to Expand

References (Subscription Required)

Click to Expand
Issue

Vol. 97, Iss. 21 — 1 June 2018

Reuse & Permissions
Access Options
Author publication services for translation and copyediting assistance advertisement

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review B

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×