Co^<59> NMR in Hexagonal Cobalt-Base Dilute Alloys with 3d Transition Metals

概要

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The Co59 NMR in dilute hexagonal cobalt alloys has been studied by means of spin echo technique at 4.2 K. In Ti, V, Cr and Mn alloys, satellite lines have been observed on the low frequency side far from the main line, while in Fe, Ni and Cu alloys, satellite lines have been observed only near to the main line. The satellite lines in the former group which come from the domain and can be attributed to the nearest neighbor cobalt sites of the impurity, consist of the two well-resolved lines and exhibit quadrupole splittings. Electric field gradients at the nearest neighbor sites are discussed on the assumption that the impurity atom produces an additional electric field gradient axially symmetric about the direction toward the cobalt atom.
社団法人日本物理学会の論文
1976-01-15