EFFICIENT DIPOLAR RECOUPLING IN THE NMR OF ROTATING SOLIDS - A SEVENFOLD SYMMETRICAL RADIOFREQUENCY PULSE SEQUENCE

被引：393

作者：

LEE, YK

KURUR, ND

HELMLE, M

JOHANNESSEN, OG

NIELSEN, NC

LEVITT, MH

机构：

[1] STOCKHOLM UNIV,DIV PHYS CHEM,S-10691 STOCKHOLM,SWEDEN

[2] LEIDEN UNIV,DEPT ORGAN CHEM,GORLAEUS LABS,2300 RA LEIDEN,NETHERLANDS

[3] AARHUS UNIV,DEPT CHEM,DK-8000 AARHUS C,DENMARK

来源：

CHEMICAL PHYSICS LETTERS | 1995年 / 242卷 / 03期

关键词：

D O I：

10.1016/0009-2614(95)00741-L

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：

A new radiofrequency pulse sequence is introduced for the efficient reintroduction of magnetic dipolar couplings in the magic-angle-spinning NMR of solids. The sequence involves seven phase-shifted radiofrequency pulse cycles, timed to span two rotational periods of the sample. Double-quantum coherences are excited with high efficiency in a rotating powder sample of zinc acetate-C-13(2).

引用

页码：304 / 309

页数：6

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