A method to obtain magnetic dipole-dipole coupling information for nuclei exhibiting ultra-wideline NMR spectra in disordered solids is presented. This is achieved via a constant time version of SEDOR (Spin Echo DOuble Resonance) employing WURST (Wideband Uniform Rate Smooth Truncation) pulses and CPMG (Carr Purcell Meiboom Gill) detection. The method - coined CT-WUDOR-CPMG (Constant Time-WURST SEDOR-CPMG) NMR spectroscopy - is tested on Ba2TeO(PO4)2 as a crystalline model compound applying 125Te{31P}-CT-WUDOR-CPMG NMR. Then, 125Te{19F}- and 125Te{31P}-CT-WUDOR-CPMG are performed to obtain structural information on TeO2 - NaPO3 - NaF glasses.
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Palzer et al. (2026) studied this question.
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