Spin relaxation in the quasi-one-dimensional conductor Rb2Pt(CN)4(FHF)0.4 |
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| Authors: | S Knorr X Filip A Darabont O Pană R Ordean C Filip L V Giurgiu M Mehring |
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| Institution: | 1. 2. Physikalisches Institut, Universit?t Stuttgart, Stuttgart, Germany
2. Institute of Isotopic and Molecular Technology, Cluj-Napoca, Romania
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| Abstract: | We analyze the electron paramagnetic resonance linewidth in Rb2Pt(CN)4(FHF)0.4 as a function of temperature. Above 60 K, the results are interpreted as a superposition of spin-phonon and spin-spin relaxation effects. The dominant contribution to the relaxation rate l/T2 has a dipolar origin in contrast to the spin-phonon origin observed in K2Pt(CN)4Br0.3 · H2O. This difference could arise from different anisotropy ratios of the transfer integrals. The influence of the interchain coupling is also discussed. |
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