Bragg-Williams approximation; Electron energy loss spectroscopy; Paraelectric-ferroelectric transformations; Quantum dot distributions 2D-arrays; Bragg-Williams approximation; Confinement potential; Dielectric response function; Energy loss function; Ferroelectric property; Ferroics; Mean-field; Electron energy loss spectroscopy; Electron scattering; Energy dissipation; Experiments; Ferroelectricity; Semiconductor quantum dots