HAL : hal-00127883, version 1

DOI : 10.1016/j.cplett.2007.01.077

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Chemical Physics Letters 437 (2007) 120-125

High-resolution two-dimensional NMR spectra of half-integer-spin quadrupolar nuclei from one-dimensional projections

T. Vosegaard 1, D. Massiot 2, 3

ANR RMNHRHC Collaboration(s)

(2007)

We present a technique providing high-resolution spectra of quadrupolar nuclei with half-integer nuclear spin displaying significant second-order linebroadening. The technique, dubbed chemical shift – quadrupolar projection-reconstruction of one-dimensional spectra (CQ-PRODI) exploits the different magnetic field dependence of the chemical shift and second-order quadrupolar effect. One-dimensional spectra recorded at different magnetic field strengths are represented as projections along different directions in the two-dimensional spectrum that correlates the chemical shift and the second-order quadrupolar lineshape. We present CQ-PRODI spectra for 27Al in 9Al2O3·2B2O3 and for 71Ga in β-Ga2O3 which display resolution of all sites in the chemical shift dimension.

1 :	Center for Insoluble Protein Structures (inSPIN) (INSPIN)
	University of Aarhus – Interdisciplinary Nanoscience Center (iNANO)
2 :	Centre de recherches sur les matériaux à haute température (CRMHT)
	CNRS : UPR4212
3 :	Fédération RMN du Solide à Hauts Champs (FRMN-SHC)
	CNRS : FR2950 – Université d'Orléans

Domaine

:

Chimie/Matériaux

Mots Clés : Projection-Reconstruction – Second-order quadrupole interaction – PRODI – Radial Sampling

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Contributeur : Dominique Massiot <>

Soumis le : Mardi 30 Janvier 2007, 10:14:47

Dernière modification le : Mardi 22 Mai 2007, 12:20:36