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首页> 外文期刊>Journal of surface investigation: x-ray, synchrotron and neutron techniques >f3-NMR and Nuclear Spin Diffusion in a Spatially Disordered Subsystem
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f3-NMR and Nuclear Spin Diffusion in a Spatially Disordered Subsystem

机译：空间无序子系统中的f3-NMR和核自旋扩散

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摘要

The results of theoretical and experimental investigations of delocalization of nuclear polarization in spatially disordered media are presented. The experiment is based on the measurement of a depolarization of L-mLL68iia pnucrcitlyte iiin viun-c eLleiF i (~~sin-inguleclei) in the spatialy disordered subsystem of ~ crystals. The process is determined by the dipole-dipole interaction in this subsystem and by its dipole interactions with nuclei of the ~mL1F7atrix. iIt i9~s efecti(v)e in a wide range of external magnetic fields Ho = 20-30 G owing to proximity of g-factors. The kinetics of a depolarization of Lnc6-0iu coleni caetn threa t~io=n .15- 10.06% in fields H_0 =20 and 1210 G is investigated. A satisfactory explanation of the results is based on numerical-analytical simulation of the process.
机译：提出了在空间无序介质中核极化离域的理论和实验研究的结果。该实验基于在〜晶体的空间无序子系统中对L-mLL68iia核酸分子ii的去极化的测量。该过程由该子系统中的偶极-偶极相互作用及其与〜mL1F7atrix核的偶极相互作用决定。由于g因子的接近，它在宽范围的外部磁场Ho = 20-30 G中的作用。研究了在场H_0 = 20和1210 G中Lnc6-0iu coleni caetn tt = io = n 0.15-10.06％的去极化动力学。对结果的令人满意的解释是基于该过程的数值分析模拟。

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