TY - JOUR
T1 - Soft Magnetic Properties of Thin Nanocrystalline Particles Due to the Interplay of Random and Coherent Anisotropies
AU - Bachleitner-Hofmann, Anton
AU - Bergmair, Bernhard
AU - Schrefl, Thomas
AU - Satz, Armin
AU - Suess, Dieter
N1 - Funding Information:
ACKNOWLEDGEMENT This work was supported in part by the Austrian Federal Ministry of Science, Research and Economy, in part by the National Foundation for Research, Technology and Development, and in part by the Austrian Science Fund under Grant F4112 SFB ViCoM.
Publisher Copyright:
© 2017 IEEE.
Copyright:
Copyright 2017 Elsevier B.V., All rights reserved.
PY - 2017/11
Y1 - 2017/11
N2 - We investigated coercive fields of 200 nm × 1200 nm × 5 nm rectangular nanocrystalline thin films as a function of grain size D using finite-element simulations. To this end, we created granular finite-element models with grain sizes ranging from 5 to 60 nm, and performed micromagnetic hysteresis calculations along the y-axis (easy direction) as well as along the x-axis (hard direction). We then used an extended random anisotropy model to interpret the results and to illustrate the interplay of random anisotropy and shape-induced anisotropy, which is coherent on a much larger scale, in thin films.
AB - We investigated coercive fields of 200 nm × 1200 nm × 5 nm rectangular nanocrystalline thin films as a function of grain size D using finite-element simulations. To this end, we created granular finite-element models with grain sizes ranging from 5 to 60 nm, and performed micromagnetic hysteresis calculations along the y-axis (easy direction) as well as along the x-axis (hard direction). We then used an extended random anisotropy model to interpret the results and to illustrate the interplay of random anisotropy and shape-induced anisotropy, which is coherent on a much larger scale, in thin films.
KW - Magnetics
KW - nanocrystalline materials
KW - soft magnetic materials
KW - thin films
KW - GRAIN-SIZE DEPENDENCE
KW - DOMAINS
KW - COERCIVITY
UR - http://www.scopus.com/inward/record.url?scp=85032914979&partnerID=8YFLogxK
U2 - 10.1109/TMAG.2017.2695580
DO - 10.1109/TMAG.2017.2695580
M3 - Article
AN - SCOPUS:85032914979
SN - 0018-9464
VL - 53
JO - IEEE Transactions on Magnetics
JF - IEEE Transactions on Magnetics
IS - 11
M1 - 2002806
ER -