Results 31 to 40 of about 115,553 (174)

Electron-Polarization Coupling in Superconductor-Ferroelectric Superlattices

, 2003
We present a phenomenological model of periodic ferroelectric-superconductor (FE-S) heterostructures containing two alternating ferroelectric and superconducting layers. The interaction at the FE-S contacts is described as a coupling of the local carrier
Artemenko, Bussmann-Holder, F. Schwabl, Gajevskis, Jenks, Keuls, Konsin, Konsin, Kretschmer, Lemanov, Lemanov, Mannhart, Muller, N. Pavlenko, Nakajima, Pavlenko, Pavlenko, Petrov, Petrov, Ryen, Vendik, Vendik, Vendik, Vezzoli, Xi   +24 more
core   +1 more source

A Self-Powered Broadband Photodetector with High Photocurrent Based on Ferroelectric Thin Film Using Energy Band Structure Design

Crystals
Self-powered photodetectors have the advantages of high sensitivity, sustainability, and small size and have become a research hotspot in advanced optoelectronic systems.
Xing Gao, Xin Song, Shan Zhang, Xinxiang Yang, Pei Han, Liwen Zhang, Chunxiao Lu, Xihong Hao, Yong Li   +8 more
doaj   +1 more source

Ferroelectric behavior and spectroscopic properties of La-Modified lead titanate nanoparticles prepared by a sol-gel method

Heliyon, 2020
The sol-gel method was used to prepare perovskite type (Pb1-1.5x Lax□0.5x)TiO3 (PLT) ceramics with x = 0.21, 0.22, 0.23, 0.24, 0.25 in order to investigate their structural, optical, and dielectric properties.
M. Mostafa, Z.A. Alrowaili, G.M. Rashwan, M.K. Gerges   +3 more
doaj   +1 more source

Modulating the Band Alignments of Two-Dimensional In2Se3/InSe Heterostructure via Ferroelectric Polarization and Interlayer Coupling

Frontiers in Physics, 2022
Two-dimensional (2D) ferroelectric materials with robust polarization down to atomic thicknesses provide novel building blocks for functional heterostructures.
Yabing Du, Yabing Du, Xiaolong Wang, Xianqi Dai, Wei Li, Wei Li   +5 more
doaj   +1 more source

First Principles Study of Structural, Electronic and Magnetic Interplay in Ferroelectromagnetic Yttrium Manganite

, 2001
We present results of local spin density approximation pseudopotential calculations for the ferroelectromagnet, yttrium manganite (YMnO3). The origin of the differences between ferroelectric and non-ferroelectric perovskite manganites is determined by ...
Alessio Filippetti, Asamitsu, Bertaut, Bertaut, Brinks, Ceperley, Cohen, Fröhlich, Fujimura, Gilat, Gonze, Goodenough, Hill, Hill, Hohenberg, Huang, Iliev, Jin, Kim, Kleinman, Kohn, Kuwahara, Kuwahara, Louie, Mattheiss, Monkhorst, Nicola A Hill, Payne, Perdew, Pickett, Quezel, Rappe, Sa, Schmid, Tokura, Vanderbilt, von Barth, Waghmare, Wood, Yakel, Yin   +40 more
core   +1 more source

Optical and electrical properties of spray pyrolysis deposited nano-crystalline BiFeO3 films

AIP Advances, 2011
The nano-crystalline BiFeO3 were prepared under controlled substrate temperature by spray pyrolysis method. Their structural, optical and electrical properties were studied and correlated.
Annapu Reddy Venkateswarlu, G. D. Varma, R. Nath   +2 more
doaj   +1 more source

The Effects of a Non-Ferroelectric Slab on the Polarization and the Susceptibility of the Ferroelectric Multilayer

, 2002
The polarization and the susceptibility of a ferroelectric multilayer with a non-ferroelectric slab are investigated within the framework of transverse Ising model with a four-spin interaction term. The effect of the thickness and the position of the non-
Christen, Cottam, Dong-Lai Yao, EI Aouad, Jiang, Kaneyoshi, Scott, Sepliarsky, Shen, Shen, Shimuta, Slater, Specht, Specht, Tabata, Wang, Wang, Wang, Wang, Wang, Wen Dong, Wesselinowa, Wesselinowa, Wesselinowa, Wu, Wu, Yin-Zhong Wu, Zhang, Zhen-Ya Li   +28 more
core   +1 more source

Contribution of space charges to the polarization of ferroelectric superlattices and its effect on dielectric properties [PDF]

, 2010
A theoretical model is developed for ferroelectric bilayers and multilayer heterostructures that employs a nonlinear Landau-Devonshire formalism coupled with a detailed analysis of the depolarizing fields arising from the polarization mismatch across ...
Alpay, S. P., Misirlioglu, Burc, Mısırlıoğlu, Burç, Okatan, M. B.   +3 more
core   +1 more source

Preparation, Thermal, and Physical Properties of Perovskite-Type (C₃H₇NH₃)₂CdCl₄ Crystals

Crystals, 2019
To investigate the thermal and physical properties of perovskite-type (C3H7NH3)2CdCl4, its temperature-dependent chemical shifts and spin⁻lattice relaxation times are measured using thermogravimetric analysis (TGA), differential scanning ...
Ae Ran Lim, Sun Ha Kim
doaj   +1 more source

Impact of Series-Connected Ferroelectric Capacitor in HfO₂-Based Ferroelectric Field-Effect Transistors for Memory Application

IEEE Journal of the Electron Devices Society, 2020
In this work, we demonstrated a HfO2-based ferroelectric field-effect transistor (FeFET) in series with a HfAlO ferroelectric capacitor for memory application and further investigated the impact of the ferroelectric capacitor with different thicknesses ...
Wei-Dong Liu, Zi-You Huang, Jun Ma, Zhi-Wei Zheng, Chun-Hu Cheng   +4 more
doaj   +1 more source