EFFECT OF STRESS ON THE BAMBOO DOMAINS AND MAGNETIZATION PROCESS OF COSIB AMORPHOUS WIRE

In this work we have studied the behavior of the bamboo domains under stress (sigma), tension (+ sigma) as well as compression (- sigma), wi th the aim of making the domain model of the negatively magnetostricti ve (- lambda(5)) CoSiB wire clear. It is observed that the growth of t he surface bamboo domains due to a has directivity depending on the or ientation of the underlying core domain. In one orientation the black bamboo domain grows, while in the opposite orientation the white domai n grows. From the stress behavior of the bamboo domains we have conclu ded that the domain model of - lambda(5) wire consists of two spiral d omains of opposite rotation and proposed a new model.