Two-frequency imaging method for multi-level quadrupole systems

被引:1
|
作者
Acosta, R [1 ]
Robert, H [1 ]
Pusiol, D [1 ]
机构
[1] Univ Nacl Cordoba, Fac Matemat Astron & Fis, RA-5000 Cordoba, Argentina
关键词
D O I
10.1007/BF03161881
中图分类号
O64 [物理化学(理论化学)、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号
070203 ; 070304 ; 081704 ; 1406 ;
摘要
An encoding procedure for two-dimensional rotating-frame imaging and positional spectroscopy in quadrupole systems with spin I> 3/2 is reported. The technique consists of a two-frequency irradiation pulse sequence: The population of a pair of spin states is changed by a radiofrequency pulse with a linear gradient and a second transition, which involves one of the two affected states, is excited with a second pulse with a gradient perpendicular to the first one. The spatial-spin distribution in the plane defined by the orthogonal radiofrequency gradients is recorded on Cartesian coordinates. The theoretical description of the technique and experimental results demonstrating its applicability to a powder sample containing I = 7/2 nucleus are given.
引用
收藏
页码:11 / 21
页数:11
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