Fourier transform pure nuclear quadrupole resonance by pulsed field cycling

Abstract

We report the observation of Fourier transform pure NQR by pulsed field cycling. For deuterium, well resolved spectra are obtained with high sensitivity showing the low frequency ν₀ lines and allowing assignments of quadrupole couplings and asymmetry parameters to inequivalent deuterons. The technique is ideally applicable to nuclei with low quadrupolar frequencies (e.g., ²D, ⁷Li, ¹¹B, ²⁷Al, ²³Na, ¹⁴N) and makes possible high resolution structure determination in polycrystalline or disordered materials.