Two-Dimensional Correlation of Isotropic and Directional Diffusion Using NMR.

Joao Martins, Daniel Topgaard

Research output: Contribution to journalArticlepeer-review


Diffusion nuclear magnetic resonance (NMR) is a powerful technique for studying porous media, but yields ambiguous results when the sample comprises multiple regions with different pore sizes, shapes, and orientations. Inspired by solid-state NMR techniques for correlating isotropic and anisotropic chemical shifts, we propose a diffusion NMR method to resolve said ambiguity. Numerical data inversion relies on sparse representation of the data in a basis of radial and axial diffusivities. Experiments are performed on a composite sample with a cell suspension and a liquid crystal.
Original languageEnglish
Article number087601
JournalPhysical Review Letters
Issue number8
Publication statusPublished - 2016

Subject classification (UKÄ)

  • Physical Chemistry


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