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Nonadiabatic effects on rotating-frame dipolar relaxation time measurements.

Nichtadiabatische Effekte bei der Messung dipolarer Relaxationszeiten im rotierenden System
: Ailion, D.C.; Guenther, B.

Journal of magnetic resonance 61 (1985), Nr.3, S.482-489 : Abb.,Lit.
ISSN: 0022-2364
ISSN: 1090-7807
Fraunhofer IFAM ()
Bariumfluorid; Kernspinrelaxation; Kernspinresonanz; NMR; Pulstechnik; relaxation

Application of the T1Drho pulse sequence often leads to a two-component relaxation decay due to nonadiabatic effects near the magic angle thetam which creates a serious danger of T1Drho misinterpretation. These effects were studied in detail for various fluorides and it was discovered that three different sources of nonadiabaticity may occur during T1Drho measurements.