The room-temperature transverse magnetoresistance of cubic synthetic magnetite was measured for various field strengths, with the field rotated within the (110) plane. The results can be interpreted as being due to a linear negative term and a positive term that saturates beyond 4 kG. The negative term is isotropic whereas the positive one is anisotropic, being largest for the [11̄0] and decreasing to about zero for the [001] direction.
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Κωστόπουλος et al. (1976) studied this question.
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