Atomic-resolution electron microscopy of nanoscale local structure in lead-based relaxor ferroelectrics
Relaxor ferroelectrics, which can exhibit exceptional electromechanical coupling, are some
of the most important functional materials, with applications ranging from ultrasound imaging …
of the most important functional materials, with applications ranging from ultrasound imaging …
Dielectric properties and electrocaloric effect of high-entropy (Na0. 2Bi0. 2Ba0. 2Sr0. 2Ca0. 2) TiO3 ceramic
Y Pu, Q Zhang, R Li, M Chen, X Du, S Zhou - Applied Physics Letters, 2019 - pubs.aip.org
Single-phase homogeneous (Na 0.2 Bi 0.2 Ba 0.2 Sr 0.2 Ca 0.2) TiO 3 powder with high
configurational entropy was synthesized by using a solid-state method. Calculations of …
configurational entropy was synthesized by using a solid-state method. Calculations of …
Phase stability and distortion in high-entropy oxides
The present investigation demonstrates how configurational entropy stabilises rock-salt type
single phase multi-component solid solution oxides. Classical simulations have been used …
single phase multi-component solid solution oxides. Classical simulations have been used …
Oxidation behaviours of high-entropy transition metal carbides in 1200° C water vapor
Y Tan, C Chen, S Li, X Han, J Xue, T Liu, X Zhou… - Journal of Alloys and …, 2020 - Elsevier
Abstract High-entropy (Zr, Ti, Hf, Nb, Ta) C ceramic with single-phase rock salt structure was
prepared by spark plasma sintering and their oxidation behavior was investigated at 1200° …
prepared by spark plasma sintering and their oxidation behavior was investigated at 1200° …
Order-Disorder Ferroelectric Transition of Strained
S Salmani-Rezaie, K Ahadi, WM Strickland… - Physical Review Letters, 2020 - APS
SrTiO 3 is an incipient ferroelectric that is believed to exhibit a prototype displacive, soft
mode ferroelectric transition when subjected to mechanical stress or alloying. We use high …
mode ferroelectric transition when subjected to mechanical stress or alloying. We use high …
Atomic-resolution visualization of distinctive chemical mixing behavior of Ni, Co, and Mn with Li in layered lithium transition-metal oxide cathode materials
Capacity and voltage fading of layered structured cathode based on lithium transition-metal
oxide is closely related to the lattice position and migration behavior of the transition-metal …
oxide is closely related to the lattice position and migration behavior of the transition-metal …
[HTML][HTML] Direct observation of cation diffusion driven surface reconstruction at van der Waals gaps
W Cui, W Lin, W Lu, C Liu, Z Gao, H Ma, W Zhao… - Nature …, 2023 - nature.com
Weak interlayer van der Waals (vdW) bonding has significant impact on the surface/interface
structure, electronic properties, and transport properties of vdW layered materials …
structure, electronic properties, and transport properties of vdW layered materials …
Understanding ferroelectric Al: HfO2 thin films with Si-based electrodes for 3D applications
Ferroelectric hafnium oxide is a promising candidate for logic and memory applications as it
maintains excellent ferroelectric properties at nm-size ensuring compatibility with state of the …
maintains excellent ferroelectric properties at nm-size ensuring compatibility with state of the …
[HTML][HTML] Mechanisms governing metal vacancy formation in BaTiO3 and SrTiO3
Barium titanate (BTO) and strontium titanate (STO) are often treated as close analogues, and
models of defect behavior are freely transferred from one material to the other with only …
models of defect behavior are freely transferred from one material to the other with only …
The influence of local distortions on proton mobility in acceptor doped perovskites
Optimizing proton conduction in solids remains the most promising solution for achieving
intermediate temperature (∼ 750–1000 K) solid oxide fuel cell devices, and enabling …
intermediate temperature (∼ 750–1000 K) solid oxide fuel cell devices, and enabling …