Thin Magnetic Films | Nature

Letter Published: 04 April 1959 Thin Magnetic Films R. S. WEBLEY1  Nature volume 183, pages 999–1000 (1959)Cite this article

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THE preparation of thin films of magnetic alloys with specific characteristics is generally acknowledged to be a difficult task, owing to the large number of parameters involved. One such

parameter, that of film thickness, might be expected to have a large effect on magnetic characteristics. The relation between this and coercivity has been studied theoretically by L. Néel1,

for film thicknesses in excess of domain wall thickness. For this condition, small variations in the thickness of the layer give rise to energy changes as domain walls are moved and lead to

the relation Hc ∝ t−4/3, where Hc is the coercivity and t the average thickness. Tiller and Clark2 have found Hc ∝ t−1 experimentally for t varying from about 250 A. to nearly 2,800 A.

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18 August 2020 Reconstructing phase-resolved hysteresis loops from first-order reversal curves Article Open access 17 February 2021 References Néel, L., J. de Phys. et le Radium, 17, No. 3,

250 (1956).

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Tiller, C. O., and Clark, G. W., Phys. Rev., 110, No. 2, 583 (1958).

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Drangeid, K. E., Z. Angewdt. Math. Phys., 10, 96 (1959).

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Author informationAuthors and Affiliations Research Laboratories, Electric and Musical Industries, Ltd., Blyth Road, Hayes, Middlesex

R. S. WEBLEY

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About this articleCite this article WEBLEY, R. Thin Magnetic Films. Nature 183, 999–1000 (1959). https://doi.org/10.1038/183999a0

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Issue Date: 04 April 1959

DOI: https://doi.org/10.1038/183999a0

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