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2006
ACL
doi
V.Montouillout, C.M.Morais, A.Douy, F.Fayon, D.Massiot
,
'Towards better description of gallo-phosphate materials in solid state NMR: 1D and 2D correlation studies'
, Magn. Reson. Chem. 8 770-775 (2006) doi:
10.1002/mrc.1846
We show that weak 2J(71GaO31P), typically 12 Hz in GaPO4, can be used to efficiently establish heteronuclear 31P71Ga 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.