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Title: Modulation of the magnetic domain size induced by an electric field

Abstract

The electric field (EF) effect on the magnetic domain structure of a Pt/Co system was studied, where an EF was applied to the top surface of the Co layer. The width of the maze domain was significantly modified by the application of the EF at a temperature slightly below the Curie temperature. After a detailed analysis, a change in the microscopic exchange stiffness induced by the EF application was suggested to dominate the modulation of the domain width observed in the experiment. The accumulation of electrons at the surface of the Co layer resulted in an increase in the microscopic exchange stiffness and the Curie temperature. The result was consistent with the recent theoretical prediction.

Authors:
; ; ; ; ; ; ;  [1]; ;  [2]
  1. Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611-0011 (Japan)
  2. Department of Applied Physics, The University of Tokyo, Hongo 7-3-1, Bunkyo, Tokyo 113-8656 (Japan)
Publication Date:
OSTI Identifier:
22590599
Resource Type:
Journal Article
Journal Name:
Applied Physics Letters
Additional Journal Information:
Journal Volume: 109; Journal Issue: 2; Other Information: (c) 2016 Author(s); Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0003-6951
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; CURIE POINT; DOMAIN STRUCTURE; ELECTRIC FIELDS; FLEXIBILITY; LAYERS; MODULATION; SURFACES; WIDTH

Citation Formats

Ando, F., Kakizakai, H., Yamada, K., Kawaguchi, M., Kim, S., Kim, K.-J., Moriyama, T., Ono, T., E-mail: dchiba@ap.t.u-tokyo.ac.jp, E-mail: ono@scl.kyoto-u.ac.jp, Koyama, T., and Chiba, D., E-mail: dchiba@ap.t.u-tokyo.ac.jp, E-mail: ono@scl.kyoto-u.ac.jp. Modulation of the magnetic domain size induced by an electric field. United States: N. p., 2016. Web. doi:10.1063/1.4955265.
Ando, F., Kakizakai, H., Yamada, K., Kawaguchi, M., Kim, S., Kim, K.-J., Moriyama, T., Ono, T., E-mail: dchiba@ap.t.u-tokyo.ac.jp, E-mail: ono@scl.kyoto-u.ac.jp, Koyama, T., & Chiba, D., E-mail: dchiba@ap.t.u-tokyo.ac.jp, E-mail: ono@scl.kyoto-u.ac.jp. Modulation of the magnetic domain size induced by an electric field. United States. doi:10.1063/1.4955265.
Ando, F., Kakizakai, H., Yamada, K., Kawaguchi, M., Kim, S., Kim, K.-J., Moriyama, T., Ono, T., E-mail: dchiba@ap.t.u-tokyo.ac.jp, E-mail: ono@scl.kyoto-u.ac.jp, Koyama, T., and Chiba, D., E-mail: dchiba@ap.t.u-tokyo.ac.jp, E-mail: ono@scl.kyoto-u.ac.jp. Mon . "Modulation of the magnetic domain size induced by an electric field". United States. doi:10.1063/1.4955265.
@article{osti_22590599,
title = {Modulation of the magnetic domain size induced by an electric field},
author = {Ando, F. and Kakizakai, H. and Yamada, K. and Kawaguchi, M. and Kim, S. and Kim, K.-J. and Moriyama, T. and Ono, T., E-mail: dchiba@ap.t.u-tokyo.ac.jp, E-mail: ono@scl.kyoto-u.ac.jp and Koyama, T. and Chiba, D., E-mail: dchiba@ap.t.u-tokyo.ac.jp, E-mail: ono@scl.kyoto-u.ac.jp},
abstractNote = {The electric field (EF) effect on the magnetic domain structure of a Pt/Co system was studied, where an EF was applied to the top surface of the Co layer. The width of the maze domain was significantly modified by the application of the EF at a temperature slightly below the Curie temperature. After a detailed analysis, a change in the microscopic exchange stiffness induced by the EF application was suggested to dominate the modulation of the domain width observed in the experiment. The accumulation of electrons at the surface of the Co layer resulted in an increase in the microscopic exchange stiffness and the Curie temperature. The result was consistent with the recent theoretical prediction.},
doi = {10.1063/1.4955265},
journal = {Applied Physics Letters},
issn = {0003-6951},
number = 2,
volume = 109,
place = {United States},
year = {2016},
month = {7}
}