STUDY OF A SPIN-3/2 SYSTEM BY A SPIN-ECHO SEQUENCE

被引：17

作者：

MAN, PP

机构：

[1] Laboratoire de Chimie des Surfaces, CNRS URA 1428, Universite Pierre et Marie Curie, Paris, 75252, 4 Place Jussieu

来源：

MOLECULAR PHYSICS | 1991年 / 72卷 / 02期

关键词：

D O I：

10.1080/00268979100100251

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The density matrix describing the evolution of a spin-3/2 system excited by a spin-echo sequence is calculated from the equilibrium state to the acquisition period by taking into account only the first-order quadrupolar interaction. The formation of an echo due to the two satellite transitions is predicted, and the line intensity of the central transition and a satellite transition of the free induction decay following the second pulse are obtained for any omega-Q/omega-rf ratio. Sodium nuclei in powdered NaNO3 and lithium nuclei in a single crystal of LiTaO3 are used to illustrate three experimental conditions: the interpulse delay is smaller, comparable or larger than the duration of the free induction decay.

引用

页码：321 / 331

页数：11

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