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Title: Layer thickness dependence of current induced effective fields in ferromagnetic multilayers

Abstract

We report the relation between current induced effective fields and ferromagnetic layer thickness. Hall measurements with rotating magnetic field show that the transverse and perpendicular effective fields have linear relations to the inverse of the magnetic moment m per area S. The results imply that both of these effective fields may originate from spin angular momentum transferring. However, the non-zero intercept of the transverse field at m/S = 0 implies that magnetization independent effects, such as Rashba effect, may contribute to transverse field.

Authors:
; ;  [1]; ;  [2]
  1. ICR, Kyoto University, Kyoto 611-0011 (Japan)
  2. Department of Applied Physics, The University of Tokyo, Tokyo 113-8656 (Japan)
Publication Date:
OSTI Identifier:
22410032
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; ELECTRIC CURRENTS; FERROMAGNETIC MATERIALS; FERROMAGNETISM; HALL EFFECT; LAYERS; MAGNETIC FIELDS; MAGNETIC MOMENTS; MAGNETIZATION; SPIN; THICKNESS

Citation Formats

Kawaguchi, M., E-mail: kawaguchi.masashi.25n@st.kyoto-u.ac.jp, Moriyama, T., Ono, T., Koyama, T., and Chiba, D. Layer thickness dependence of current induced effective fields in ferromagnetic multilayers. United States: N. p., 2015. Web. doi:10.1063/1.4914897.
Kawaguchi, M., E-mail: kawaguchi.masashi.25n@st.kyoto-u.ac.jp, Moriyama, T., Ono, T., Koyama, T., & Chiba, D. Layer thickness dependence of current induced effective fields in ferromagnetic multilayers. United States. doi:10.1063/1.4914897.
Kawaguchi, M., E-mail: kawaguchi.masashi.25n@st.kyoto-u.ac.jp, Moriyama, T., Ono, T., Koyama, T., and Chiba, D. Thu . "Layer thickness dependence of current induced effective fields in ferromagnetic multilayers". United States. doi:10.1063/1.4914897.
@article{osti_22410032,
title = {Layer thickness dependence of current induced effective fields in ferromagnetic multilayers},
author = {Kawaguchi, M., E-mail: kawaguchi.masashi.25n@st.kyoto-u.ac.jp and Moriyama, T. and Ono, T. and Koyama, T. and Chiba, D.},
abstractNote = {We report the relation between current induced effective fields and ferromagnetic layer thickness. Hall measurements with rotating magnetic field show that the transverse and perpendicular effective fields have linear relations to the inverse of the magnetic moment m per area S. The results imply that both of these effective fields may originate from spin angular momentum transferring. However, the non-zero intercept of the transverse field at m/S = 0 implies that magnetization independent effects, such as Rashba effect, may contribute to transverse field.},
doi = {10.1063/1.4914897},
journal = {Journal of Applied Physics},
issn = {0021-8979},
number = 17,
volume = 117,
place = {United States},
year = {2015},
month = {5}
}