A magnetizer for studying transient processes in magnets over a wide time intervalстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The magnetizer is intended for studies of transient processes in magnetic samples shaped as plates or planar films. The main element of the magnetizer is a strip line consisting of thin wires connected in series with damping resistors. The use of resistors makes it possible to reduce the eddy current decay time (and, therefore, the magnetic field settling time) to similar to5-6 ns and, in turn, to extend the range of durations of the processes under study and increase the spatial homogeneity of the field. The magnetization of samples is measured using a removable longitudinal sence loop. The magnetizer can be used to study a wide variety of transient processes with a duration of similar to0.05-100 mus (in permalloy films, iron borate single crystals, garnet ferrite films with easy-plane anisotropy, etc.). The magnetizer can also be used to observe dynamic domains.