Dipolar transformations of 2D distributions of quantum dots
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We study the paraelectric and ferroelectric properties of two-dimensional distributions of quantum dots of three different geometries of the confinement potential: spherical, cylindrical, and conical. We numerically obtain the quantum states, the average dipolar moment, and the susceptibility. A mean field approximation for interactive quantum dot arrays allows the observation of transformations in the electric susceptibility. These transformations resemble the paraelectric-ferroelectric transition in molecular ferroelectric materials; however, in the quantum dots arrays, these transformations are not sharply defined. Copyright © Taylor %26 Francis Group, LLC.
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dielectric susceptibility; mean field approximation; paraelectric-ferroelectric transitions; Quantum dot distributions Confinement potential; Dielectric susceptibility; Different geometry; Dipolar moment; Electric susceptibility; Ferroelectric property; Mean field approximation; paraelectric-ferroelectric transitions; Paraelectrics; Quantum dot arrays; Quantum state; Two dimensional distribution; Ferroelectricity; MEMS; Piezoelectric devices; Piezoelectric materials; Piezoelectricity; Quantum optics; Semiconductor quantum dots; User interfaces; Ferroelectric materials
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