Within the framework of the modified Ginzburg–Landau–Devonshire phenomenological theory, we study the properties of a ferroelectric thin film with surface transition layer, considering the effect of electrodes. The combined effect of the electrode and surface transition layer on the properties (including the polarization, transition temperature and coercive filed) of a ferroelectric thin film is discussed in detail. The results show that the surface transition layer and the electrode can induce the phase transition from ferroelectric to paraelectric phase.
Intelligent manufacturing system is considered as the key of industrial competitiveness, which has a far‐reaching impact on the enterprise development. This paper conducts an analysis of intelligent manufacturing in small and medium‐sized enterprises (SMEs). The study provides insight on upgrading manufacturing SMEs in industry 4.0 era.
Using the transverse Ising model theory, a ferroelectric bilayer film, considering the surface transition layer within each constituent slab and an interfacial coupling between two slabs, is investigated in the framework of the mean-field approximation. We discuss in detail the thickness effects of the spontaneous polarization and dielectric susceptibility of a ferroelectric bilayer film under two conditions of interfacial coupling: ferroelectric and antiferroelectric coupling. The results show some unexpected phenomena for a small thickness of a ferroelectric bilayer film.
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