DOI: 10.1063/1.1696526. Use of Spin Echoes in a Pulsed Magnetic-Field Gradient to Study Anisotropic, Restricted Diffusion and Flow

Use of Spin Echoes in a Pulsed Magnetic-Field Gradient to Study Anisotropic, Restricted Diffusion and Flow

10.1063/1.1696526

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

The Bloch—Torrey equations are modified to include the case of anisotropic, restricted diffusion and flow. The problem of solving these modified equations for the amplitude of a spin echo in a time-dependent magnetic-field gradient subject to restricting boundary conditions is discussed. This problem is solved for a number of selected cases. In particular, it is found that a magnetic-field gradient applied in short, intense pulses is effective in defining the time during which nuclear displacements take place. A simplified equation, suitable for the pulsed-gradient experiment, is presented and solved for two different examples of systems showing restricted diffusion. A procedure for analyzing the data from pulsed-gradient measurements is suggested, and its merits are discussed. Suggestions are made of systems which may well be expected to show restricted, anisotropic diffusion or interesting flow properties.

Bibliography

Stejskal, E. O. (1965). Use of Spin Echoes in a Pulsed Magnetic-Field Gradient to Study Anisotropic, Restricted Diffusion and Flow. The Journal of Chemical Physics, 43(10), 3597â3603.

Authors 1

E. O. Stejskal (first)

References 20 Referenced 796

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{'key': '2024020715565719300_r11'}
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Dates

Type	When
Created	20 years, 7 months ago (Jan. 9, 2005, 3:01 a.m.)
Deposited	1 year, 6 months ago (Feb. 7, 2024, 5:18 p.m.)
Indexed	4 hours, 1 minute ago (Aug. 29, 2025, 5:58 a.m.)
Issued	59 years, 9 months ago (Nov. 15, 1965)
Published	59 years, 9 months ago (Nov. 15, 1965)
Published Print	59 years, 9 months ago (Nov. 15, 1965)

Funders 0

None

BibTeX

@article{Stejskal_1965, title={Use of Spin Echoes in a Pulsed Magnetic-Field Gradient to Study Anisotropic, Restricted Diffusion and Flow}, volume={43}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1696526}, DOI={10.1063/1.1696526}, number={10}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Stejskal, E. O.}, year={1965}, month=nov, pages={3597–3603} }

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