Stork H, Hamburger A, Gädke A, Fujara F, Schwartz K
Institut für Festkörperphysik, TU Darmstadt, Hochschulstraße 6, 64289 Darmstadt, Germany.
J Phys Condens Matter. 2008 Jul 9;20(27):275236. doi: 10.1088/0953-8984/20/27/275236. Epub 2008 Jun 6.
Static magnetic field gradient NMR has been used for one-dimensional spatial (19)F spin-lattice relaxation profile studies (resolution of the order of 10 µm) in a LiF crystal irradiated with U ions. Technical aspects of the use of large static magnetic field gradients are discussed as well as a special data acquisition mode allowing for effectively measuring spatially resolved spin-lattice relaxation rates as low as 10(-3) s(-1). In addition to the expected enhanced spin-lattice relaxation rate within the ion range, also an enhanced rate beyond the ion range has been found.
静态磁场梯度核磁共振已被用于对受铀离子辐照的氟化锂晶体进行一维空间（19）F自旋晶格弛豫分布研究（分辨率约为10微米）。文中讨论了使用大静态磁场梯度的技术方面，以及一种特殊的数据采集模式，该模式能够有效测量低至10（-3）秒（-1）的空间分辨自旋晶格弛豫率。除了在离子范围内预期的自旋晶格弛豫率增强外，还发现在离子范围之外弛豫率也有所增强。
