Defect modeling and control in structurally and compositionally complex materials

X Zhang, J Kang, SH Wei - Nature Computational Science, 2023 - nature.com
Conventional computational approaches for modeling defects face difficulties when applied
to complex materials, mainly due to the vast configurational space of defects. In this …

The effect of stress on HfO2-based ferroelectric thin films: A review of recent advances

R Han, P Hong, S Ning, Q Xu, M Bai, J Zhou… - Journal of Applied …, 2023 - pubs.aip.org
HfO 2-based thin films have raised considerable interest in ferroelectric memory devices due
to their thickness scalability and process compatibility with CMOS. Stress exhibits a …

Toward stabilization of formamidinium lead iodide perovskites by defect control and composition engineering

Y Liang, F Li, X Cui, T Lv, C Stampfl, SP Ringer… - Nature …, 2024 - nature.com
Phase instability poses a serious challenge to the commercialization of formamidinium lead
iodide (FAPbI3)-based solar cells and optoelectronic devices. Here, we combine density …

Deformation-mediated cyclic evolution of precipitates in Al-Mg-Si-Cu alloy by multi-pass ECAP and thermal treatments

Y Chen, Y Liu, J Zhang, M Liu, H Li, L Ding, Z Jia… - Journal of Materials …, 2025 - Elsevier
Precipitation via thermal treatments is among the most effective approaches to strengthening
and is widely applied in the Al industry. Thermal treatments combined with deformation are …

Inverse gradient nanostructure through gradient cold rolling demonstrated with superelasticity improvement in Ti-50.3 Ni shape memory alloy

J Zhang, K Liu, T Chen, C Xu, C Chen, D Yan… - Journal of Materials …, 2024 - Elsevier
Gradient nanostructured (GNS) metallic materials are commonly achieved by gradient
severe plastic deformation with a gradient of nano-to micro-sized structural units from the …

[HTML][HTML] Impact of fast-solidification on all-d-metal NiCoMnTi based giant magnetocaloric Heusler compounds

F Zhang, Z Wu, J Wang, W Chen, Z Wu, X Chi, C Zhao… - Acta Materialia, 2024 - Elsevier
Recently, the all-d-metal Ni (Co) MnTi based Heusler compounds are found to have a giant
magnetocaloric effect (GMCE) near room temperature and manifest different functionalities …

Exploring energy landscapes for solid-state systems with variable cells at the extended tight-binding level

P Pracht, JWR Morgan, DJ Wales - The Journal of Chemical Physics, 2023 - pubs.aip.org
The design of novel materials requires a theoretical understanding of dynamical processes
in the solid state, including polymorphic transitions and associated pathways. The …

Chemical-bonding and lattice-deformation mechanisms unifying the stability and diffusion trends of hydrogen in TiN and AlN polymorphs

Q He, TY Sun, LF Huang - Acta Materialia, 2024 - Elsevier
The continuous development of hydrogen-permeation barriers (HPB) based on metal
nitrides highly desires a generic unification of the key thermodynamic and kinetic …

The relationship between reinforcement ratio and e-beam irradiation in Y2O3 reinforced Al6061 Alloys: A crystallographic assessment

MS Atas - Nuclear Instruments and Methods in Physics Research …, 2024 - Elsevier
The e-beam irradiation effect is investigated on mechanically alloyed Y 2 O 3-Al6061
composites with different reinforcement ratios (0.25, 2, 6% wt.). Uniform dispersion of …

Utilizing Se vacancies as electronic traps to synergize impedance matching and dipole polarization with ultrathin strategy to boost Fe-Se electromagnetic wave …

C Gong, J Ding, C Wang, Y Zhang, H Cong… - Chemical Engineering …, 2024 - Elsevier
The electronic structure, transport properties and magnetic properties of the material can be
adjusted by regulating the formation and concentration of anionic vacancies. In particular …