Figure 4

Typical double-well potentials obtained from the 1H high-resolution NMR line shape of KDP at 300 K. The black solid line corresponds to the pristine KDP sample, while the red dashed line corresponds to the proton-beam-irradiated KDP sample.

Typical double-well potentials obtained from the 1H high-resolution NMR line shape of KDP at 300 K. The black solid line corresponds to the pristine KDP sample, while the red dashed line corresponds to the proton-beam-irradiated KDP sample.