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The nuclear quadrupole resonance of B11 in inderite Sahri, Darshan Singh


This work was undertaken to verify the results of Pennington and Petch. They studied the effect of quadrupole perturbation on the n. m .r. spectrum of B¹¹ in inderite and from these studies found the values of quadrupole coupling constants and asymmetry parameters of the crystalline electrostatic fields for different sites of B¹¹. This data has been used in the present work to predict the "pure" quadrupole resonance frequencies. The resonance frequency for the M site has been experimentally measured. The result is within 1% of the predicted value. The improvements made in the spectrometers are discussed.

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