COUPLING PAIR MODEL FOR NEGATIVE MAGNETORESISTANCE OF MAGNETIC ALLOY WITH SLIGHTLY HIGH CONCENTRATION OF IMPURITY
较高杂质浓度磁性合金负磁阻的关联对模型

This report discussed the dependence of the electrical resistance and magnetoresis-tance on temperature and magnetic field, which are resulted from the scattering of conducting electrons with coupled pairs in magnetic field for magnetic alloy with slightly high concentration of impurity. Rohrer's empirical formula of magnetoresistance variation with concentration for AuFe alloy is obtained here theoretically.