Nuclear magnetic relaxation by regularly distributed dense paramagnetic ions in a quasi-two-dimensional system |
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Authors: | Kyu Won Lee |
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Institution: | Department of Physics, Korea University, Anam-dong, Sungbuk-ku, Seoul 136-701, South Korea |
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Abstract: | The 1H nuclear spin-lattice relaxation behavior was characterized in the perovskite-type layered structure quasi-two-dimensional Heisenberg paramagnets, (CnH2n+1NH3)2MnCl4,with different chain lengths (n=8, 10, and 12). In contrast to the case of the short-chain compound with n=8, the nuclear spin diffusion to the electron spin system alone is not able to fully account for the spin-lattice relaxation in the compounds with longer chain lengths. Our results are discussed in light of the nuclear magnetic relaxation by the regularly distributed dense paramagnetic ions. |
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Keywords: | 76 60 &minus k 75 30 Hx |
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