Abstract
The size distribution of Barkhausen discontinuities was investigated in poly-crystalline nickel as a function of coercive force (2.1≦H c ≦17.0 Oe), demagnetizing factor (0.0316≦N≦0.405) and counting rate (5≦dn/dt≦500 pulses/sec). The comparison by means of the factor (1 +N·χ) of size distributions from specimens with differentN gives much better results, if the distributions are measured at constant counting rate. This rate should be as large as possible because of the blocking mechanism of the demagnetizing field.
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Der Deutschen Forschungsgemeinschaft danken wir für die finanzielle Förderung der Arbeit.
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Bleil, U., Loichinger, A. & Stierstadt, K. Der Einfluß der Kopplung von Barkhausen-Sprüngen auf deren Größenverteilung. Z. Physik 241, 291–294 (1971). https://doi.org/10.1007/BF01395336
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DOI: https://doi.org/10.1007/BF01395336