Energetics of intrinsic defects and their complexes in ZnO investigated by density functional calculations

R Vidya, P Ravindran, H Fjellvåg, BG Svensson… - Physical Review B …, 2011 - APS
Formation energies of various intrinsic defects and defect complexes in ZnO have been
calculated using a density-functional-theory-based pseudopotential all-electron method. The …

Advances in ZnO–Bi2O3 based varistors

J Li, S Li, P Cheng, MA Alim - Journal of Materials Science: Materials in …, 2015 - Springer
In this review paper detailed development of the ZnO–Bi 2 O 3 based polycrystalline
varistors are presented as the technological importance emerged with the rapid applications …

Simultaneously improving the electrical properties and long-term stability of ZnO varistor ceramics by reversely manipulating intrinsic point defects

M Guo, X Zhao, W Shi, B Zhang, K Wu, J Li - Journal of the European …, 2022 - Elsevier
Excellent electrical properties and the improved long-term stability of ZnO varistor ceramics
were simultaneously achieved by do** NiO. The microstructural features were …

Understanding the validity of impedance and modulus spectroscopy on exploring electrical heterogeneity in dielectric ceramics

Y Huang, K Wu, Z **ng, C Zhang, X Hu, P Guo… - Journal of applied …, 2019 - pubs.aip.org
Combined modulus and impedance spectra are widely employed to explore electrical
inhomogeneity and carriers' behaviors in dielectric ceramics based on equivalent circuit …

Gas-sensitive nanostructured ZnO films praseodymium and europium doped: Electrical conductivity, selectivity, influence of UV irradiation and humidity

AS Mokrushin, IA Nagornov, TL Simonenko… - Applied Surface …, 2022 - Elsevier
Highly dispersed ZnO powders, doped with europium and praseodymium, were synthesized
by the solvothermal method. It is shown that the powders based on zinc oxide have a …

Space charge polarization modulated instability of low frequency permittivity in CaCu3Ti4O12 ceramics

K Wu, Y Huang, J Li, S Li - Applied Physics Letters, 2017 - pubs.aip.org
A low frequency dielectric relaxation process of CaCu 3 Ti 4 O 12 ceramics, which is
generally overlapped by dc conduction in traditional dielectric spectra, is detected and …

Defect-rich ZnO nanorod arrays for efficient solar water splitting

D Commandeur, G Brown, E Hills… - ACS Applied Nano …, 2019 - ACS Publications
A novel ultrarapid synthetic method for the production of vertically aligned ZnO nanorod
(NR) arrays has been demonstrated, using a microwave assisted chemical bath deposition …

Significantly enhanced breakdown field in Ca1-xSrxCu3Ti4O12 ceramics by tailoring donor densities

Z Tang, Y Huang, K Wu, J Li - Journal of the European Ceramic Society, 2018 - Elsevier
Significantly enhanced breakdown field of 24.52 kV cm− 1 as well as noteworthy nonlinear
coefficient of 8.11 and low dielectric loss of 0.077 were obtained in Ca 0.6 Sr 0.4 Cu 3 Ti 4 O …

Yttrium-doped ZnO nanorod arrays for increased charge mobility and carrier density for enhanced solar water splitting

D Commandeur, G Brown, P McNulty… - The Journal of …, 2019 - ACS Publications
An innovative procedure is presented, when for the first time, yttrium-doped ZnO vertically
aligned nanorods (NRs) have been synthesized using a unique rapid microwave-assisted …

Intrinsic and extrinsic relaxation of CaCu3Ti4O12 ceramics: Effect of sintering

JY Li, XT Zhao, ST Li, MA Alim - Journal of Applied Physics, 2010 - pubs.aip.org
The effect of sintering process on the electrical properties of CaCu 3 Ti 4 O 12 (CCTO)
ceramic dielectrics were investigated in this paper. It was found that grain size is affected by …