Intermediate layer for enhanced triboelectric nanogenerator

X Xie, X Chen, C Zhao, Y Liu, X Sun, C Zhao, Z Wen - Nano Energy, 2021 - Elsevier
Triboelectric nanogenerator (TENG) has shown great advances in converting low-frequency
discrete mechanical energy into electricity and multifunctional real-time self-powered …

A short review on copper calcium titanate (CCTO) electroceramic: synthesis, dielectric properties, film deposition, and sensing application

M Ahmadipour, MF Ain, ZA Ahmad - Nano-Micro Letters, 2016 - Springer
Electroceramic calcium copper titanates (CaCu 3 Ti 4 O 12, CCTO), with high dielectric
permittivities (ε) of approximately 10 5 and 10 4, respectively, for single crystal and bulk …

High Permittivity CaCu3Ti4O12 Particle‐Induced Internal Polarization Amplification for High Performance Triboelectric Nanogenerators

J Kim, H Ryu, JH Lee, U Khan, SS Kwak… - Advanced Energy …, 2020 - Wiley Online Library
Here, a composite material based on the butylated melamine formaldehyde (BMF) and high
permittivity CaCu3Ti4O12 (CCTO) particles as a triboelectric dielectric material for stable …

Strong nonlinear current–voltage behaviour in perovskite-derivative calcium copper titanate

SY Chung, ID Kim, SJL Kang - Nature materials, 2004 - nature.com
The discovery of a giant dielectric constant,, of 105 in CaCu3Ti4O12 has increased interest
in this perovskite-type oxide. Here we demonstrate that, in addition to high permittivity …

All-oxide photovoltaics

S Rühle, A Zaban - 2014 - books.rsc.org
To reach grid parity further price reductions for photovoltaic (PV) systems are required,
calling for continued upscaling of the production processes or for novel PV cell concepts …

Large dielectric constant and Maxwell-Wagner relaxation in

J Liu, CG Duan, WG Yin, WN Mei, RW Smith… - Physical Review B …, 2004 - APS
We studied frequency and temperature dependences of impedance, electric modulus, and
dielectric permittivity of Bi 2∕ 3 Cu 3 Ti 4 O 12 in the ranges of 10− 1–10 6 Hz and− 150 …

Nonintrinsic origin of the colossal dielectric constants in

P Lunkenheimer, R Fichtl, SG Ebbinghaus… - Physical Review B …, 2004 - APS
The dielectric properties of Ca Cu 3 Ti 4 O 12, a material showing colossal values of the
dielectric constant, were investigated over a broad temperature and frequency range …

Polaron relaxation and variable-range-hopping conductivity in the giant-dielectric-constant material

L Zhang, ZJ Tang - Physical Review B—Condensed Matter and Materials …, 2004 - APS
Transport and dielectric measurements have been performed in Ca Cu 3 Ti 4 O 12 ceramics.
The bulk ac conductivity shows a power-law behavior at different temperatures, which is …

Effect of rare earth doping on the structural and magnetic features of nanocrystalline spinel ferrites prepared via sol gel route

MN Akhtar, MA Khan - Journal of Magnetism and Magnetic Materials, 2018 - Elsevier
Abstract Rare earth Ce doped NiZn with composition of Ni 0.8 Zn 0.2 Ce x Fe 2− x O 4 at x=
0.00, 0.02, 0.04, 0.06, 0.08 and 0.10 were synthesized via sol-gel route. Rare earth Ce was …

Extrinsic models for the dielectric response of

MH Cohen, JB Neaton, L He, D Vanderbilt - Journal of Applied physics, 2003 - pubs.aip.org
The large, temperature-independent, low-frequency dielectric constant recently observed in
single-crystal CaCu 3 Ti 4 O 12 is most plausibly interpreted as arising from spatial …