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Barkhausen effect in magnetic thin films: General behaviour and stationarity along the hysteresis loop |
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| Authors: | N J Wiegman R ter Stege |
| Institution: | (1) Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands;(2) Present address: Phillips Research Laboratories, Eindhoven, Netherlands;(3) Present address: Phillips Product Division Video, Eindhoven, Netherlands |
| Abstract: | Several aspects of the Barkhausen effect can be investigated by using a measurement equipment that records the Barkhausen signal as a function of time in digital form on computer tape. Measurements on thin magnetic films containing a small number of domain walls are presented. The behaviour of the wall jumps during a reversal is investigated. During the steep part of the loop the stationarity of the signal is measured with the magnetic field as a parameter. The influence of the coercive fieldH c and the thicknessd m is considered and compared with results obtained by others on bulk samples. |
| Keywords: | 75 60E |
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