Magnetic domain properties of FeBO3
1974en
ABI
Abstract
The magnetic domain structures of regularly shaped samples of FeBO3 have been studied using the Faraday effect. Simple strip domain structures, induced by magnetostriction, were used to determine domain wall widths and domain wall mobility. A comparison of measured and calculated domain wall widths reveals a disparity of two orders of magnitude. This is explained in terms of a complex wall structure at the intersection of Néel and Bloch walls. The sources of large scatter obtained in the mobility results are discussed, and an alternative method of measurement is suggested. It is shown that the relaxation mechanism present in the mobility measurements is not that producing the ferromagnetic resonance linewidth.
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