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Radiation damping effects on spin—lattice relaxation time measurements

✍ Scribed by Xi-an Mao; Jian-xin Guo; Chao-hui Ye

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
368 KB
Volume
222
Category
Article
ISSN
0009-2614

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✦ Synopsis

Radiation damping effects in NMR spin-lattice relaxation experiments have been studied. After an inversion, a damped spin system recovers to the equilibrium state under the influence of radiation damping rather than through a relaxation process. Therefore, the spin-lattice relaxation time cannot be measured by inversion-recovery techniques. Precise measurements of the relaxation times in the presence of strong radiation damping can be performed by a saturation-recovery technique, but the data must be fitted by integral areas instead of by intensities.

📜 SIMILAR VOLUMES

Radiation damping effects of transverse
Radiation damping effects of transverse relaxation time measurements
✍ Xi-an Mao; Jian-xin Guo; Chao-hui Ye 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 334 KB

Radiation damping effects on the determination of transverse relaxation times are discussed. Precise measurements in the presence of radiation damping are suggested. In the strong radiation damping case, the spin-spin relaxation time T2 could not be measured by the simple spin-echo technique, but ca