Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jmmm.2007.07.012
Title: Quantization of spin waves in oval-shaped nanorings
Authors: Tan, C.G.
Lim, H.S. 
Wang, Z.K. 
Ng, S.C. 
Kuok, M.H. 
Goolaup, S. 
Adeyeye, A.O. 
Singh, N.
Keywords: Brillouin light scattering
Oval-shaped ring
Quantization
Spin wave
Issue Date: Feb-2008
Source: Tan, C.G., Lim, H.S., Wang, Z.K., Ng, S.C., Kuok, M.H., Goolaup, S., Adeyeye, A.O., Singh, N. (2008-02). Quantization of spin waves in oval-shaped nanorings. Journal of Magnetism and Magnetic Materials 320 (3-4) : 475-478. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jmmm.2007.07.012
Abstract: Regular arrays of oval-shaped permalloy nanorings have been fabricated using deep ultraviolet lithography and their spin dynamics measured by Brillouin light scattering with the magnetic field applied along long (easy) axes of the rings. The dispersionless behavior of the spin wave modes observed reveals their standing wave nature. Two-dimensional simulations and analytical calculations have been performed for a single isolated nanoring. Results reveal that the observed modes can be interpreted in terms of quantized Damon-Eshbach modes due to lateral confinement in the finite size rings. © 2007 Elsevier B.V. All rights reserved.
Source Title: Journal of Magnetism and Magnetic Materials
URI: http://scholarbank.nus.edu.sg/handle/10635/57173
ISSN: 03048853
DOI: 10.1016/j.jmmm.2007.07.012
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