Nuclear spin relaxation in systems of magnetic spheres

J. S. Blicharski, D. Kruk, M. A. Macri, B. Maraviglia

Research output: Contribution to journalArticlepeer-review

Abstract

A new approach to the NMR relaxation theory for a system of magnetic spheres (sufficiently big spherical molecules) is presented. In this paper the NMR spin-lattice relaxation time T1 and spin-spin relaxation time T2 are calculated for nuclear spins I→j, taking into account intermolecular dipole-dipole interactions between the spins I→j, and spins S→k in the magnetic spheres. By an expansion of the dipole-dipole interaction in a series of spherical harmonics, it is possible to separate spatial variables of the interacting spins in a laboratory frame. A simultaneous effect of isotropic rotational and translation diffusion of the spins and relaxation rate of spins S→k is also taken into account.

Original languageEnglish
Pages (from-to)302-311
Number of pages10
JournalPhysica B: Condensed Matter
Volume328
Issue number3-4
DOIs
Publication statusPublished - May 2003

Keywords

  • Diffusion
  • Macromolecules
  • NMR relaxation
  • Solution

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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