Chinese Journal of Magnetic Resonance ›› 1994, Vol. 11 ›› Issue (4): 327-334.

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THE MEASUREMENTS OF SPIN-LATTICE RELAXATION TIMES FOR A 14N NUCLEAR QUADRUPOLAR RESONANCE SPIN SYSTEM

Xia Youlin, Ye Chaohui   

  1. State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics, The Chinese Academy of Sciences, Wuhan 430071
  • Received:1993-10-21 Published:1994-12-05 Online:2018-01-20

Abstract: The spin-lattice relaxation for a 14N NQR spin system is a dual exponential relaxation. Three measurement methods of spin-lattice relaxation times for a 14N NQR spin system are presented in this paper,the spin-lattice relaxation times T1s and T11 have been obtained by simulating experimental data with N-SIMPLEX method.Questions about the measurements of relaxation time for an NQR spin system in some concerned references have been put forward.

Key words: NQR, Spin-lattice relaxation