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Accurate intensities of broad NMR lines from composite pulse experiments
KTH, Tidigare Institutioner                               , Kemi.ORCID-id: 0000-0002-0231-3970
2000 (engelsk)Inngår i: Journal of magnetic resonance, ISSN 1090-7807, E-ISSN 1096-0856, Vol. 142, nr 1, s. 32-36Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Accurate determination of integral intensities of broad lines is difficult when spin relaxation during the applied pulses cannot be neglected and/or when ringing of the tank circuit interferes with the signal. Here we present an extension of the analytical solution of the generalized Bloch equations (G. A. Morris and P. B. Chilvers, J. Magn. Reson. A 107, 236 (1994)), which is then used to evaluate the signal intensity obtained in a composite pulse experiment designed to cancel ringing effects. Comparing intensities of broad and narrow Br-81 spectral lines tests and proves the accuracy Of this approach.

sted, utgiver, år, opplag, sider
2000. Vol. 142, nr 1, s. 32-36
Emneord [en]
ringing, composite pulse, relaxation, Bloch equations, Br-81 NMR, liquid-crystals, spin relaxation, dynamics
Identifikatorer
URN: urn:nbn:se:kth:diva-19524ISI: 000085222700004OAI: oai:DiVA.org:kth-19524DiVA, id: diva2:338216
Merknad
QC 20100525Tilgjengelig fra: 2010-08-10 Laget: 2010-08-10 Sist oppdatert: 2017-12-12bibliografisk kontrollert

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