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Spin fluctuations in weakly itinerant ferromagnets Y(Co1−xAlx)2 |
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| Authors: | K Yoshimura M Takigawa Y Takahashi H Yasuoka M Mekata Y Nakamura |
| Institution: | Department of Applied Physics, Fukui University, Bunkyo, Fukui 910, Japan |
| Abstract: | The nuclear spin-lattice relaxation rate, 1/T1, has been measured in weak itinerant ferromagnets Y(Co1−xAlx)2. The temperature and magnetic field dependence of 1/T1T has been found to be well described by the self-consistent renormalization (SCR) theory of spin fluctuations. The parameters characterizing spin fluctuations in this system were estimated from NMR and magnetic measurements. The temperature dependence of susceptibility calculated from these parameters well reproduces the experimental results. |
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