Fig. 5

a Deuterium distribution in DKDP crystals grown from solutions with different deuterium contents and supersaturation levels ranging from 0.04 to 0.0652 and b difference in the average deuteration levels between the pyramidal and prismatic sections (their size represent the error bars)52. Images reproduced with the following permission: (a)52, (b)52 from Wiley-VCH