A neutron diffraction study of the structure of PbHPO4in its ferroelectric phase at room temperature

Abstract
PbHPO4 is believed to have a ferroelectric transition of the KDP-type. A neutron-diffraction structural study of the ferroelectric phase at room temperature (about Tc −20 K) shows partial onset of order in agreement with the observed half-saturation of Ps , at this temperature.