Thin‐film ferroelectrics

A Fernandez, M Acharya, HG Lee, J Schimpf… - Advanced …, 2022 - Wiley Online Library
Over the last 30 years, the study of ferroelectric oxides has been revolutionized by the
implementation of epitaxial‐thin‐film‐based studies, which have driven many advances in …

Physics of thin-film ferroelectric oxides

M Dawber, KM Rabe, JF Scott - Reviews of modern physics, 2005 - APS
This review covers important advances in recent years in the physics of thin-film ferroelectric
oxides, the strongest emphasis being on those aspects particular to ferroelectrics in thin-film …

Simultaneously achieving giant piezoelectricity and record coercive field enhancement in relaxor-based ferroelectric crystals

L Yang, H Huang, Z Xi, L Zheng, S Xu, G Tian… - Nature …, 2022 - nature.com
A large coercive field (EC) and ultrahigh piezoelectricity are essential for ferroelectrics used
in high-drive electromechanical applications. The discovery of relaxor-PbTiO3 crystals is a …

Experimental demonstration of hybrid improper ferroelectricity and the presence of abundant charged walls in (Ca,Sr)3Ti2O7 crystals

YS Oh, X Luo, FT Huang, Y Wang, SW Cheong - Nature materials, 2015 - nature.com
On the basis of successful first-principles predictions of new functional ferroelectric
materials, a number of new ferroelectrics have been experimentally discovered. Using …

Origin of ferroelectricity in perovskite oxides

RE Cohen - Nature, 1992 - nature.com
FERROELECTRIC materials are characterized by a switchable macroscopic polarization.
Most technologically important ferroelectrics are oxides with a perovskite structure. The …

More accurate generalized gradient approximation for solids

Z Wu, RE Cohen - Physical Review B—Condensed Matter and Materials …, 2006 - APS
We present a nonempirical density functional generalized gradient approximation (GGA)
that gives significant improvements for lattice constants, crystal structures, and metal surface …

Piezo-phototronic effect in highly stable CsPbI3-PVDF composite for self-powered nanogenerator and photodetector

K Maity, U Pal, HK Mishra, P Maji, P Sadhukhan… - Nano Energy, 2022 - Elsevier
All inorganic cesium lead iodide (CsPbI 3) is highly emerging in the fabrication of self-
powered nanogenerators (NGs) and photodetectors (PDs) beyond the excellent …

Comparative first-principles studies of prototypical ferroelectric materials by LDA, GGA, and SCAN meta-GGA

Y Zhang, J Sun, JP Perdew, X Wu - Physical Review B, 2017 - APS
Originating from a broken spatial inversion symmetry, ferroelectricity is a functionality of
materials with an electric dipole that can be switched by external electric fields …

Electronic structure, chemical bonding, and optical properties of paraelectric

S Saha, TP Sinha, A Mookerjee - Physical Review B, 2000 - APS
The electronic-energy band structure, site, and angular-momentum decomposed density of
states (DOS) and charge-density contours of perovskite BaTiO 3 in the paraelectric phase …

Bulk properties and electronic structure of SrTiO3, BaTiO3, PbTiO3 perovskites: an ab initio HF/DFT study

S Piskunov, E Heifets, RI Eglitis, G Borstel - Computational Materials …, 2004 - Elsevier
The results of detailed calculations for bulk properties and the electronic structure of the
cubic phase of SrTiO3 (STO), BaTiO3 (BTO), and PbTiO3 (PTO) perovskite crystals with …