Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevB.75.104407
Title: Micromagnetics of derivative ring-shaped nanomagnets
Authors: Singh, N.
Goolaup, S. 
Tan, W.
Adeyeye, A.O. 
Balasubramaniam, N.
Issue Date: 12-Mar-2007
Source: Singh, N., Goolaup, S., Tan, W., Adeyeye, A.O., Balasubramaniam, N. (2007-03-12). Micromagnetics of derivative ring-shaped nanomagnets. Physical Review B - Condensed Matter and Materials Physics 75 (10) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevB.75.104407
Abstract: We present a systematic investigation of the magnetization reversal process in derivative ring-shaped nanomagnets. As the transition from onion to vortex state in magnetic rings is through the displacement of the domain wall along the circumference of the ring, we have investigated the effect of removing different segments of the ring structure on the magnetization reversal processes. We observed that the magnetic spin configuration is strongly influenced by the axis that is removed, as confirmed by the magnetic force microscopy studies. Our understanding of the reversal process was aided using micromagnetic simulations, which are in very good agreement with experimental results. © 2007 The American Physical Society.
Source Title: Physical Review B - Condensed Matter and Materials Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/56619
ISSN: 10980121
DOI: 10.1103/PhysRevB.75.104407
Appears in Collections:Staff Publications

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