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The temperature dependence of the nuclear magnetic resonance of Co59

Authors
Journal
Journal of Physics and Chemistry of Solids
0022-3697
Publisher
Elsevier
Publication Date
Volume
24
Issue
6
Identifiers
DOI: 10.1016/0022-3697(63)90219-1

Abstract

Abstract The temperature dependence of the nuclear magnetic resonance spectrum of pure cobalt from 25°C to 600°C has been re-examined with the aid of more sensitive apparatus. The resonances from the hexagonal phase disappear at 490°C on heating and re-appear at 440°C on cooling. The principal resonance lines of the face-centered-cubic and hexagonal phases start to split into two lines each at about 235°C and 260°C, respectively; the fractional splitting increases with temperature, and is approximately the same for the two phases. The absolute intensities of the split resonances decrease in an externally applied magnetic field, but the relative intensities are independent of the external field.

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