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Wiley, Magnetic Resonance in Chemistry, 8(44), p. 770-775, 2006
DOI: 10.1002/mrc.1846
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Toward a better description of gallo-phosphate materials in solid-state NMR: 1D and 2D correlation studies
Journal article published in 2006 by
Valérie Montouillout,
Cláudia M. Morais,
André Douy,
Franck Fayon,
Dominique Massiot 
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Abstract
We show that weak 2J(71Ga-O-31P), typically approximately 12 Hz in GaPO4, can be used to efficiently establish heteronuclear 31P-71Ga correlation using a MAS HMQC experiment in gallo-phosphate materials. The experiment demonstrated for cristobalite GaPO4 is then applied to Ga(PO3)3, where it allows the differentiation of the signature of three different Ga sites overlapping in the 1D spectrum.