Means for viewing nuclear magnetic resonance

Details Means for viewing nuclear magnetic resonance Means for viewing nuclear magnetic resonance

G - Physics

01

N

324/1

G01N 22/00 (2006.01) G01R 33/46 (2006.01)

Patent

CA 1075769

ABSTRACT OF THE DISCLOSURE A method of viewing nuclear magnetic resonance, wherein a test sample is immersed into a unidirectional polarizing magnetic field and subjected to the effect of a radio-frequency magnetic field directed at and perpendicular to the unidirectional polarizing magnetic field. The amplitude of the radio-frequency magnetic field is selected so as to exceed the average local magnetic field set up by the gyromagnetic nuclei of the test sample, and the component of magnetization of the test sample longitudinal to the unidirectional polarizing magnetic field is viewed at a frequency of nuclear magnetic resonance in an effective magnetic field in a frame of reference rotating about the sense of the unidirectional polarizing magnetic field at a frequency of the above radio-frequency magnetic field in the direction of natural Larmor precession of the gyromagnetic nuclei in the test sample. The method makes it possible to appreciably increase the resolution of nuclear magnetic resonance in solids and to obtain valuable in- formation on chemical bonds, electron-nuclear interactions and other intrinsic properties of substance.

256927

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