Dynamic susceptibility of nanopillars

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

doi:10.1088/0957-4484/15/10/022

Dynamic susceptibility of nanopillars

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

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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 language	English
Pages (from-to)	S634-S638
Journal	Nanotechnology
Volume	15
Issue number	10
DOIs	https://doi.org/10.1088/0957-4484/15/10/022
State	Published - Oct 2004

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title = "Dynamic susceptibility of nanopillars",

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.",

author = "N. Dao and Donahue, {M. J.} and I. Dumitru and L. Spinu and Whittenburg, {S. L.} and Lodder, {J. C.}",

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AU - Dumitru, I.

AU - Spinu, L.

AU - Whittenburg, S. L.

AU - Lodder, J. C.

PY - 2004/10

Y1 - 2004/10

N2 - 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.

AB - 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.

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DO - 10.1088/0957-4484/15/10/022

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SN - 0957-4484

VL - 15

SP - S634-S638

JO - Nanotechnology

JF - Nanotechnology

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Dynamic susceptibility of nanopillars

Abstract

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