Three-pulse spin echo signals from quadrupolar nuclei in magnetic materials |
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| Authors: | SN Polulyakh NA Sergeev AI Gorbovanov VN Berzhansky |
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| Institution: | 1. Faculty of Physics, Taurida National University, Simferopol 95053 Ukraine;2. Institute of Physics, University of Szczecin, Szczecin 70-451, Poland |
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| Abstract: | The time evolutions of the three-pulse spin echo signals from quadrupolar nuclei 63Cu and 53Cr in ferromagnetic CuCr2S4:Sb have been investigated at the temperature T=77 K. The experimental results were well explained by the developed theory of the time evolutions of the three-pulse echoes. The main assumption of this theory is the assumption that the temporal fluctuations in the electron magnetization lead to the fluctuations in the hyperfine and quadrupole interaction Hamiltonians. |
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