Dynamic susceptibility of nanopillars

N. Dao, M. J. Donahue, I. Dumitru, L. Spinu, S. L. Whittenburg, J. C. Lodder

Research output: Contribution to journalArticlepeer-review

Abstract

We have calculated the dynamic susceptibility of patterned cobalt and Permalloy pillars with a diameter of 50 nm and different pillar heights using micromagnetic simulations. The resonance modes obtained from these simulations are compared to the results obtained from an analytical solution of Kittel's equation for spheroids. We also compared directly to Kittel's equation with the simulation of cobalt spheroids.

Original languageEnglish
Pages (from-to)S634-S638
JournalNanotechnology
Volume15
Issue number10
DOIs
StatePublished - Oct 2004

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