Self-avoiding magnetic chains

C.H. Shang, B.X. Liu and H.D. Li

Physica A: Statistical Mechanics and its Applications, 1991, vol. 178, issue 2, 207-214

Abstract: We report a first experimental evidence for the self-avoiding walks in Fe-Cu thin films. Transmission electron microscopy showed that the observed self-avoiding chains result from aggregation of the magnetic Fe particles. Scaling analysis demonstrated that these chains were indeed self-similar structures with fractal dimensions ranging from 1.13 to 1.29. It was found that as the annealing temperature elevated, the fractal dimension of the chains with nearly the same width increased. Rich microstructures pertinent to the self-avoiding magnetic chains are described in detail, and a theoretical attempt based on magnetic interaction is proposed to account for the temperature effect.

Date: 1991
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:178:y:1991:i:2:p:207-214

DOI: 10.1016/0378-4371(91)90016-6

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