BiFeO3-BaTiO3 ferroelectrics: Decrypting the mechanism of rare earth do**-induced electrical property discrepancy via scaling behavior and multi-level structure

D Tai, B Li, H Xue, T Zheng, J Wu - Acta Materialia, 2024 - Elsevier
Rare earth do** has been widely used to modify electrical properties of piezo/ferroelectric
materials. However, the physical mechanism behind property enhancement and the reason …

Bulk photovoltaic effect in ferroelectrics

H Matsuo, Y Noguchi - Japanese Journal of Applied Physics, 2024 - iopscience.iop.org
The bulk photovoltaic (PV) effect in ferroelectric materials has attracted worldwide attention
for novel optoelectronic applications utilizing above-bandgap photovoltages, light …

Piezoelectric MEMS-based physical reservoir computing system without time-delayed feedback

T Yoshimura, T Haga, N Fujimura… - Japanese Journal of …, 2023 - iopscience.iop.org
In this study, a physical reservoir computing system, a hardware-implemented neural
network, was demonstrated using a piezoelectric MEMS resonator. The transient response …

Grain size-independent dielectric and ferroelectric properties of superparaelectric Mn–Nb co-doped barium titanate ceramics

P Sapkota, I Fujii, S Ueno, S Wada - Japanese Journal of …, 2023 - iopscience.iop.org
The crystal structure, microstructure, dielectric and ferroelectric properties of polycrystalline
BaTi (1–2x) Mn (x) Nb (x) O 3 (x= 0.05 and 0.06) with different grain sizes were investigated …

Fabrication of< 100>-oriented Bi (Mg0. 5Ti0. 5) O3-modified BiFeO3-BaTiO3 ceramics and their piezoelectric properties

H Nam, I Fujii, S Nakagawa, S Ueno… - Japanese Journal of …, 2023 - iopscience.iop.org
Abstract Rhombohedral Bi (Mg 0.5 Ti 0.5) O 3-modified BiFeO 3-BaTiO 3 ceramics were
successfully textured along the nonpolar< 100> direction using the templated grain growth …

Investigation of Ga–Nb co-doped barium strontium titanate ceramics for DC-bias free dielectrics

P Sapkota, K Yagasaki, I Fujii, S Ueno… - Japanese Journal of …, 2024 - iopscience.iop.org
Abstract The Ba 0.8 Sr 0.2 Ti 1− 2x Ga x Nb x O 3 (0≤ x≤ 0.10) ceramics were fabricated
and the electrical properties were evaluated regarding DC-bias and temperature …

Effect of strontium substitution on growth and piezoelectric properties of calcium magnesium silicate Ca2MgSi2O7 single crystals

H Takeda, T Uehara, G Hirano, S Kodama… - Japanese Journal of …, 2023 - iopscience.iop.org
We report the effect of Sr substitution on the crystal growth and piezoelectric properties of
calcium magnesium silicate Ca 2 MgSi 2 O 7 (CMS) single crystals. Strontium-substituted …