Xiaojie Lou

Polarization fatigue in ferroelectric thin films and related materials

The experimental characteristics of polarization fatigue in thin-film, bulk ceramic, and single-crystalline ferroelectrics have been reviewed in detail. Various scenarios and models proposed for fatigue in ferroelectric materials during the past few decades have been discussed, together with our own model developed very recently [Phys. Rev. Lett. 97, 177601 (2006); Phys. Rev. B 75, 244104 (2007)]. Interpretations for the experimental data reviewed in this paper but untreated in our previous work [Phys. Rev. B 75, 244104 (2007)] as well as the methods of improving the fatigue endurance in ferroelectrics are given based on this model. Finally, the results on polarization fatigue in some special classes of ferroelectrics such as multiferroics (e.g., BiFeO3-based materials), ferroelectric polymers, and antiferroelectric thin films and ceramics are discussed and accounted for in light of our model.

Oxygen-vacancy-related relaxation and scaling behaviors of Bi 0.9 La 0.1 Fe 0.98 Mg 0.02 O 3 ferroelectric thin films

Oxygen-vacancies-related dielectric relaxation and scaling behaviors of

Lead-free Piezoelectrics Based on Potassium–Sodium Niobate with Giant d33

{\text{Bi}}_{0.9}{\text{La}}_{0.1}{\text{Fe}}_{0.98}{\text{Mg}}_{0.02}{\text{O}}_{3}

Giant d33 in (K,Na)(Nb,Sb)O3-(Bi,Na,K, Li)ZrO3 based lead-free piezoelectrics with high Tc

(BLFM) thin film have been investigated by temperature-dependent impedance spectroscopy from

Enhanced electrocaloric effect in lead-free BaTi1−xSnxO3 ceramics near room temperature

40\text{ }\ifmmode^\circ\else\textdegree\fi{}\text{C}

Phase transitions and the piezoelectricity around morphotropic phase boundary in Ba(Zr0.2Ti0.8)O3-x(Ba0.7Ca0.3)TiO3 lead-free solid solution

up to

Single-crystal β-NiS nanorod arrays with a hollow-structured Ni3S2 framework for supercapacitor applications

200\text{ }\ifmmode^\circ\else\textdegree\fi{}\text{C}

Facile synthesis of three-dimensional structured carbon fiber-NiCo2O4-Ni(OH)2 high-performance electrode for pseudocapacitors.

. We found that hopping electrons and single-charged oxygen vacancies

Large d33 in (K,Na)(Nb,Ta,Sb)O3-(Bi,Na,K)ZrO3 lead-free ceramics

({V}_{\text{O}}^{\ifmmode\bullet\else\textbullet\fi{}})

Giant Room‐Temperature Elastocaloric Effect in Ferroelectric Ultrathin Films

coexist in the BLFM thin film and make contribution to dielectric response of grain and grain boundary, respectively. The activation energy for