Method of polarizing nuclei

Details Method of polarizing nuclei Method of polarizing nuclei

1974-11-20

1976-04-27

Rolinec, R. V.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324 5R, G01R 3308

Patent

active

039537897

ABSTRACT:
A method of polarizing nuclei having a long relaxation time in a solid in a high DC magnetic field. The solid also contains nuclei having a short relaxation time. The method involves the step of applying a high DC magnetic field to the solid. Then the solid is swept with a radio frequency field which excites the nuclei with a short relaxation time thereby resulting in the polarization of the nuclei having a long relaxation time.

REFERENCES:
patent: 3586743 (1971-06-01), Van Eeck
Goldman & Landesman, "Dynamic Polarization by Thermal Mixing between Two Spin Systems", Physical Review, Vol. 132, No. 2, Oct. 15, 1963, pp. 610-620.
Woessner & Gutowsky, "Spin Exchange - - - ", J. of Chem. Physics, Vol. 29, No. 4, Oct., 1958, pp. 804-812.

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