REAL

Switching mechanism of single domain particles in a two-dimensional array

Pardavi-Horvath, Martha and Vértesy, Gábor and Keszei, Béla and Vértesy, Zofia and McMichael, R. D. (1999) Switching mechanism of single domain particles in a two-dimensional array. IEEE TRANSACTIONS ON MAGNETICS, 35 (5). pp. 3871-3875. ISSN 0018-9464

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Abstract

The mechanism of switching of uniaxial, single domain, single crystalline epitaxial garnet particles on a 2D square array was investigated. The anisotropy field of the sample is 2 kOe, while the gaussian switching field distribution is 280 +/- 85 Oe. The dominant contribution to the incoherent switching is from inhomogeneous internal fields and canted moments at the corners and edges, where the switching starts. The interaction field with the surrounding particles, reduced nucleation barriers at crystalline defects, thermal activation, and dynamical effects in FMR also contribute to the observed switching field and as standard deviation.

Item Type: Article
Subjects: Q Science / természettudomány > QC Physics / fizika
Q Science / természettudomány > QC Physics / fizika > QC04 Electricity. Magnetism. Electromagnetism / villamosság, mágnesesség, elektromágnessesség
T Technology / alkalmazott, műszaki tudományok > TA Engineering (General). Civil engineering (General) / általános mérnöki tudományok
SWORD Depositor: MTMT SWORD
Depositing User: MTMT SWORD
Date Deposited: 18 Nov 2013 13:26
Last Modified: 18 Nov 2013 13:26
URI: http://real.mtak.hu/id/eprint/7365

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