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Diffusion-diffusion correlation and exchange as a signature for local order and dynamics
KTH, Superseded Departments, Chemistry.ORCID iD: 0000-0002-0231-3970
2004 (English)In: Journal of Chemical Physics, ISSN 0021-9606, E-ISSN 1089-7690, Vol. 120, no 8, 4032-4038 p.Article in journal (Refereed) Published
Abstract [en]

We demonstrate the use of new two-dimensional nuclear magnetic resonance experiments in the examination of local diffusional anisotropy under conditions of global isotropy. The methods, known as diffusion-diffusion correlation spectroscopy and diffusion exchange spectroscopy, employ successive pairs of magnetic field gradient pulses, with signal analysis using two-dimensional inverse Laplace transformation. Diffusional anisotropy is measured for water molecules in a polydomain lamellar phase lyotropic liquid crystal, 40 wt % nonionic surfactant C10E3 (C10H21O(CH2CH2O)(6)H) in H2O.

Place, publisher, year, edition, pages
2004. Vol. 120, no 8, 4032-4038 p.
Keyword [en]
field gradient, porous-media, nmr, spectroscopy, motion
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-23195DOI: 10.1063/1.1642604ISI: 000189139700057ScopusID: 2-s2.0-1642617282OAI: diva2:341893
QC 20100525 QC 20111031Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2011-10-31Bibliographically approved

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