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Direct Measurement of the Velocity of Propagation of a Ferromagnetic Domain Boundary in ‘Perminvar’

Abstract

MEASUREMENTS of the velocity of propagation of a ferromagnetic domain boundary were first carried out in the well-known experiment of Sixtus and Tonks1. Afterwards, Williams et al. 2 were able to measure the velocity of a single domain wall observed to exist in a [100] ‘picture frame’ single crystal of 3.5 per cent silicon-iron. These measurements were later extended to ferrite single crystals3 and to polycrystalline 65 per cent nickel–iron made pseudo-single crystalline by annealing in a magnetic field4.

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References

  1. Sixtus, K. J., and Tonks, L., Phys. Rev., 37, 930 (1931).

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  2. Williams, H. J., Shockley, W., and Kittel, G., Phys. Rev., 80, 1090 (1950).

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  3. Galt, J. K., Bell System Tech. J., 33, 1023 (1954).

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  4. Rodbell, D. S., and Bean, C. P., Phys. Rev., 103, 886 (1956).

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  5. Lee, E. W., Callaby, D. R., and Lynch, A. C., Proc. Phys. Soc. (in the press).

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LEE, E., CALLABY, D. Direct Measurement of the Velocity of Propagation of a Ferromagnetic Domain Boundary in ‘Perminvar’. Nature 182, 254–255 (1958). https://doi.org/10.1038/182254a0

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