Vdovych, A.S.; Moina, A.P.; Levitskii, R.R.; Zachek, I.R.
(Condensed Matter Physics, 2014)
The proton ordering model for the KH₂PO₄ type ferroelectrics is modified by taking into account the dependence of the effective dipole moments on the proton ordering parameter. Within the four-particle cluster approximation ...