Results 31 to 40 of about 34,475 (219)

Piezoelectric effect and electroactive phase nucleation in self-standing films of unpoled PVDF nanocomposite films [PDF]

, 2018
Novel polymer-based piezoelectric nanocomposites with enhanced electromechanical properties open new opportunities for the development of wearable energy harvesters and sensors.
Ballirano, Paolo, Chandraiahgari, CHANDRAKANTH REDDY, DE BELLIS, Giovanni, Fortunato, Marco, Sarto, Francesca, Sarto, Maria Sabrina, Tamburrano, Alessio   +6 more
core   +1 more source

Ce and W co-doped CaBi2Nb2O9 with enhanced piezoelectric constant and electrical resistivity at high temperature

Journal of Materiomics, 2020
Ce and W co-doped CaBi2Nb2O9 ceramics with chemical formula Ca0.96Ce0.04Bi2Nb2-xWxO9 (CCBN-W100x, x = 0–0.07) are fabricated via conventional solid state sintering method, to investigate the effect of W addition on the structure, electrical resistivity ...
Zong-Yang Shen, Chen Qin, Wen-Qin Luo, Fusheng Song, Zhumei Wang, Yueming Li, Shujun Zhang   +6 more
doaj   +1 more source

Effect of the Crystal Structure on the Piezoelectricity of [001]-Textured (Na, K)(Nb, Sb)O₃-SrZrO₃-(Bi, Ag)ZrO₃ Lead-Free Piezoelectric Thick Film

Actuators, 2023
An amount of 3.0 mol% NaNbO3 seeds was used to align the grains of 0.96(Na0.5K0.5)(Nb0.93Sb0.07)O3-(0.04−x)SrZrO3-x(Bi0.5Ag0.5)ZrO3 [NKNS-(0.04−x)SZ-xBAZ] thick films (0.0 ≤ x ≤ 0.04) along the [001] direction.
Su-Hwan Go, Dae-Su Kim, Yeon-Gyeong Chae, Seok-June Chae, Eun-Ji Kim, Hyeon-Min Yu, Bum-Joo Kim, Seok-Jung Park, Joun-Ho Lee, Sahn Nahm   +9 more
doaj   +1 more source

An investigation of PDMS structures for optimized ferroelectret performance

, 2014
This paper reports the ANSYS simulation and fabrication processes for optimising PDMS ferroelectret performance. The proposed model extends the previously published analytical models and compares this with simulation of individual void geometry.
Beeby, S.P., Shi, Junjie, Zhu, Dibin
core   +1 more source

Dosimetric parameters predict radiation-induced choanal stenosis in patients with nasopharyngeal carcinoma

Radiation Oncology, 2020
Background Radiation-induced choanal stenosis (RICS) severely decreases life quality of patients with nasopharyngeal carcinoma (NPC) and originates from nasal mucositis, which depends on radiation dose.
Hui Chang, Kai Chen, Ya-lan Tao, Fei Han, Wei-jun Ye, Yuan-hong Gao   +5 more
doaj   +1 more source

Diamide derivatives containing a trifluoromethylpyridine skeleton: Design, synthesis, and insecticidal activity

Journal of Integrative Agriculture, 2022
Diamide derivatives are biologically active molecules that have been widely applied in recent years in research on pesticides, especially insecticides. Using a simple and environmentally friendly scheme, a series of new diamide derivatives containing a ...
Fang-zhou XU, Yan-yan WANG, Sheng-xin GUO, A-li DAI, Jian WU   +4 more
doaj   +1 more source

Piezoelectric properties of polyamide 11/NaNbO3nanowire composites [PDF]

, 2012
Polyamide 11(PA 11)/sodium niobate nanowire (NW) 0–3 composites with different volume fractions of NWs were synthesized. The electric polarization (P) was measured as a function of the applied electric field (E).
Capsal, Jean-Fabien, Dantras, Eric, David, Charlotte, Lacabanne, Colette, Laffont-Dantras, Lydia   +4 more
core   +3 more sources

Theoretical Model Construction of Piezoelectric Coefficient of PbTiO₃ Nanoparticles

Chemical Engineering Transactions, 2017
This paper aims to explain the size dependence of piezoelectric coefficient d33(D) of PbTiO3 nanoparticles. For this purpose, a theoretical model was created for the size-dependent piezoelectric coefficient, considering the Curie temperature for small ...
Shuai Zhang, Lei Chen
doaj   +1 more source

Thermodynamic theory of epitaxial ferroelectric thin films with dense domain structures [PDF]

, 2001
A Landau-Ginsburg-Devonshire-type nonlinear phenomenological theory is presented, which enables the thermodynamic description of dense laminar polydomain states in epitaxial ferroelectric thin films.
A. E. M. De Veirman, A. E. Romanov, A. E. Romanov, A. E. Romanov, A. J. Bell, A. K. Tagantsev, A. L. Roitburd, A. L. Roytburd, A. L. Roytburd, A. L. Roytburd, A. L. Roytburd, A. Seifert, A. Yu. Emelyanov, B. S. Kwak, B. S. Kwak, C. M. Foster, C. M. Foster, C. S. Ganpule, D. H. Chen, E. A. N. Love, F. Jona, J. Lettieri, J. P. Hirth, J. S. Speck, J. S. Speck, J. S. Speck, K. S. Lee, L. D. Landau, M. J. Haun, M. J. Nystrom, N. A. Pertsev, N. A. Pertsev, N. A. Pertsev, N. A. Pertsev, N. A. Pertsev, N. A. Pertsev, N. A. Pertsev, N. A. Pertsev, N. A. Pertsev, N. A. Pertsev, N. A. Pertsev, N. Setter, O. Auciello, R. Ramesh, R. Waser, S. Kim, S. P. Alpay, S. P. Alpay, S. Stemmer, V. G. Koukhar, V. Gopalan, W. Pompe, W.-Y. Hsu, Y. Gao, Y. M. Kang, Y. Watanabe   +55 more
core   +1 more source

Optimal configuration of microstructure in ferroelectric materials by stochastic optimization

, 2010
An optimization procedure determining the ideal configuration at the microstructural level of ferroelectric (FE) materials is applied to maximize piezoelectricity.
Goldstein H., H. C. Rodrigues, J. M. Guedes, K. P. Jayachandran, Lines M. E., Nye J. F., Pecharsky V. K., Uchino K.   +7 more
core   +1 more source