DOUBLE-ROTATION AND MAGIC-ANGLE-SPINNING NUCLEAR-MAGNETIC-RESONANCE STUDY OF AL-27 - REEXAMINATION OF THE ALUMINUM BORATE 9AL(2)O(3)CENTER-DOT-2B(2)O(3)

被引：47

作者：

MASSIOT, D

MULLER, D

HUBERT, T

SCHNEIDER, M

KENTGENS, APM

COTE, B

COUTURES, JP

GESSNER, W

机构：

[1] INST ANGEW CHEM ADLERSHOF, D-12484 BERLIN, GERMANY

[2] BUNDESANSTALT MAT FORSCH, D-12484 BERLIN, GERMANY

[3] CATHOLIC UNIV NIJMEGEN, NATL HF NMR FACIL, NSR CTR MOLEC STRUCT DESIGN & SYNTH, 6525 ED NIJMEGEN, NETHERLANDS

[4] CTR RECH ESSAIS ENVIRONM & DECHET, ZONE PORTUAIRE LIMAY, F-78520 LIMAY, FRANCE

来源：

SOLID STATE NUCLEAR MAGNETIC RESONANCE | 1995年 / 5卷 / 02期

关键词：

AL-27 NUCLEAR MAGNETIC RESONANCE; MAGIC-ANGLE SPINNING; DOUBLE ROTATION; ALUMINUM BORATE; QUADRUPOLAR INTERACTION;

D O I：

10.1016/0926-2040(95)00021-H

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：

Al-27 nuclear magnetic resonance spectra of polycrystalline aluminium borate 9Al(2)O(3) . 2B(2)O(3) have been measured in double rotation at 11.7 and 7.0 T and high-speed magic-angle spinning at 7.0, 9.4, 11.7, 14.1 and 17.6 T. Spinning sidebands from the satellite transitions were observed at 7.0 and 14.1 T. Each of the four structural aluminium sites [Al(IV), Al(V)(1), Al(V)(2) and Al(VI)] are observed, characterised and assigned in the spectra. The obtained parameter set gives a fully consistent interpretation in agreement with the crystal structure of the compound.

引用

页码：175 / 180

页数：6

共 16 条

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