Abstract
To clarify the nature of microscopic structural changes of N(CH3)4CdCl3 at high temperatures, the nuclear magnetic resonance (NMR) spectra of the protons and carbons in N(CH3)4CdCl3 were measured. NMR studies of the 1H and 13C spin–lattice relaxation time, T 1ρ, in the rotating frame were also performed. No changes in the T 1ρ of 1H and 13C associated with the N(CH3)4 groups were observed at the high-temperature transition from phase I to phase I′. However, the 14N NMR spectra reflected changes in the structural geometry during the transition to phase I′, indicating that this transition is driven by N(CH3)4.
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Acknowledgments
This research was supported by the Basic Science Research program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science, and Technology (2012001763).
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Lim, A.R. High-Temperature Phase Transition in N(CH3)4CdCl3 Studied Using Static NMR and MAS NMR. Appl Magn Reson 45, 9–17 (2014). https://doi.org/10.1007/s00723-013-0502-6
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DOI: https://doi.org/10.1007/s00723-013-0502-6