Results 21 to 30 of about 117,863 (296)

Effects of paramagnetic interactions by the partial replacement of Zn2+ ions with Cu2+ ions in lead-free zinc-based perovskite (MA)2ZnCl4 crystal by MAS NMR

open access: yesAIP Advances, 2019
The growths, structures, phase transition temperatures, and molecular dynamics of mixed (MA)2Zn1-xCuxCl4 (x=0, 0.3, 0.5, 0.7, and 1) crystals were investigated to understand the effect of the random presence of paramagnetic Cu2+.
Ae Ran Lim
doaj   +1 more source

Effect on Local Structure and Phase Transition of Perovskite-Type [N(CH3)4]2Zn1-x Cu x Br4 (x = 0, 0.5, 0.7, and 1) Crystals with the Various Doping of Cu2+ Ions

open access: yesScientific Reports, 2018
This study focused on how the local structures in pure [N(CH3)4]2ZnBr4 crystal are affected by the partial replacement of Zn2+ ions with Cu2+ ions. The structures and phase transition temperatures TC of perovskite-type [N(CH3)4]2Zn1-x Cu x Br4 (x = 0, 0 ...
Ae Ran Lim
doaj   +1 more source

Two‐dimensional In2Se3: A rising advanced material for ferroelectric data storage

open access: yesInfoMat, 2022
Ferroelectric memory is a promising candidate for next‐generation nonvolatile memory owing to its outstanding performance such as low power consumption, fast speed, and high endurance. However, the ferroelectricity of conventional ferroelectric materials
Yu‐Ting Huang   +6 more
doaj   +1 more source

Liquid Crystal-Solid Interface Structure at the Antiferroelectric-Ferroelectric Phase Transition

open access: yes, 2003
Total Internal Reflection (TIR) is used to probe the molecular organization at the surface of a tilted chiral smectic liquid crystal at temperatures in the vicinity of the bulk antiferroelectric-ferroelectric phase transition.
A.D.L. Chandani   +15 more
core   +1 more source

Structural properties of two inequivalent Cs(1) and Cs(2) sites in perovskite tricaesium pentahalogencobaltate, Cs3CoX5 (X = Cl, Br)

open access: yesAIP Advances, 2017
The local structures of Cs3CoX5 (X = Cl, Br) were examined using nuclear magnetic resonance (NMR) and magic angle spinning (MAS) NMR experiments. The two inequivalent Cs(1) and Cs(2) sites in two compounds were clearly distinguished based on static NMR ...
Ae Ran Lim, Sung Soo Park, Jin-Hae Chang
doaj   +1 more source

Effect of a built-in electric field in asymmetric ferroelectric tunnel junctions

open access: yes, 2013
The contribution of a built-in electric field to ferroelectric phase transition in asymmetric ferroelectric tunnel junctions is studied using a multiscale thermodynamic model.
Bibes, Manuel   +3 more
core   +3 more sources

Functionalization of Graphene and Dielectric Property Relationships in PVDF/graphene Nanosheets Composites

open access: yesInternational Journal of Electrochemical Science, 2018
In this paper, a series of the functionalized graphenes, such as graphene oxide (GO), reduced graphene oxide (rGO), carboxylated graphene oxide (GOCOOH), reduce carboxylated graphene oxide (rGOCOOH), fluorinated graphene oxide (GOF), and reduce ...
Xuewen Zheng   +6 more
doaj   +1 more source

Graphene field effect transistors with ferroelectric gating

open access: yes, 2010
Recent experiments on ferroelectric gating have introduced a novel functionality, i.e. nonvolatility, in graphene field effect transistors. A comprehensive understanding in the non-linear, hysteretic ferroelectric gating and an effective way to control ...
Ni, Guang-Xin   +5 more
core   +1 more source

Hollow Microspherical Li[Li0.24Ni0.38Mn0.38]O2 as Cathode Material for Lithium-Ion Batteries with Excellent Electrochemical Performance

open access: yesInternational Journal of Electrochemical Science, 2018
Li-rich hollow microspherical Li[Li0.24Ni0.38Mn0.38]O2 sample was successfully synthesized by a coprecipitation approach followed by high-temperature calcinations.
Shumei Dou, Ping Li, Huiqin Li
doaj   +1 more source

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

open access: yesHeliyon, 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   +3 more
doaj   +1 more source

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