Abstract
Single crystals of sodium nitrate, sodium chlorate and sodium bromate were investigated by continuous wave and Fourier transform pulse techniques. The sodium shielding tensors for studied compounds were found from the shift of the central line of23Na triplet, which was measured as a function of the crystal orientation. The shielding appears isotropic in NaNO3 and anisotropic in chlorate and bromate salts; the anisotropies are 0±2, 12±1 and 17±1 ppm respectively. It is suggested that lattice forces lowering the local symmetry at the sodium site are responsible for the observed effects of shielding anisotropy.
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Sagnowski, S.F., Sulek, Z., Stachura, M. et al. Magnetic shielding of23Na nuclei in NaNO3 and NaBrO3 single crystals. Z. Physik B - Condensed Matter 46, 123–129 (1982). https://doi.org/10.1007/BF01312717
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DOI: https://doi.org/10.1007/BF01312717