Unique elastic, dielectric and piezoelectric properties of micro-architected metamaterials

2019 ◽  
Vol 7 (9) ◽  
pp. 2758-2765 ◽  
Author(s):  
Longlong Shu ◽  
Renhong Liang ◽  
Yanzhuo Yu ◽  
Tingfang Tian ◽  
Zhenggang Rao ◽  
...  
Keyword(s):  
Dielectric Properties ◽  
Piezoelectric Properties ◽  
Dielectric And Piezoelectric Properties ◽  
Elastic Dielectric

Complex micro-architectured metamaterials exhibit unique elastic and dielectric properties as well as ultrahigh piezoelectric responses.

Elastic, Dielectric and Piezoelectric Properties of Fe2O3Doped PMnS-PZN-PZT Ceramics

2016 ◽  
Vol 491 (1) ◽  
pp. 15-26 ◽  
Author(s):  
H. Zhang ◽  
J. Shen ◽  
J. Tian ◽  
J. Zhou ◽  
W. Chen
Keyword(s):  
Piezoelectric Properties ◽  
Pzt Ceramics ◽  
Dielectric And Piezoelectric Properties ◽  
Elastic Dielectric

Effects of La2O3 on the Piezoelectric Properties of Lead-Free (Bi0.5Na0.5)0.94Ba0.06TiO3 Piezoelectric Ceramics

2006 ◽  
Vol 510-511 ◽  
pp. 538-541 ◽  
Author(s):  
Y.-J. Son ◽  
Y.G. Choi ◽  
Joon Chul Kwon ◽  
K.W. Cho ◽  
Young Moon Kim ◽  
...  
Keyword(s):  
Dielectric Properties ◽  
Sintered Density ◽  
Piezoelectric Properties ◽  
Lead Free ◽  
Environment Friendly ◽  
Bulk Ceramic ◽  
System A ◽  
Maximum Value ◽  
Doping Effects ◽  
Dielectric And Piezoelectric Properties

In an approach to acclimate ourselves to the recent ecological consciousness trends, a lead free piezoelectric material, bismuth sodium barium titanate (Bi0.5Na0.5)0.94Ba0.06TiO3 (BNBT), was considered as an environment-friendly alternative to the PZT system. A perovskite BNBT was synthesized by the conventional bulk ceramic processing technique.La2O3 as a dopant was incorporated into the BNBT system up to 0.025 mol, and the doping effects on subsequent piezoelectric and dielectric properties were systematically investigated. In the case of La2O3 addition, the formation of grain boundary coherency was remarkably increased, and the sintered density was increased with increasing La2O3 contents. Piezoelectric and dielectric properties were shown to have the maximum value at 0.02 mol of La2O3 addition. La3+ ions were believed to act as a softener in the BNBT system and to enhance dielectric and piezoelectric properties in this study.

Elastic, dielectric, and piezoelectric properties of ceramic lead zirconate titanate/α-Al2O3 composites

2015 ◽  
Vol 57 (3) ◽  
pp. 527-530 ◽  
Author(s):  
A. N. Rybyanets ◽  
G. M. Konstantinov ◽  
A. A. Naumenko ◽  
N. A. Shvetsova ◽  
D. I. Makar’ev ◽  
...  
Keyword(s):  
Lead Zirconate Titanate ◽  
Piezoelectric Properties ◽  
Lead Zirconate ◽  
Zirconate Titanate ◽  
Α Al2o3 ◽  
Dielectric And Piezoelectric Properties ◽  
Elastic Dielectric

Molten Salts Synthesis and Dielectric Properties of PMN-PT Ceramics

2005 ◽  
Vol 475-479 ◽  
pp. 1153-1156 ◽  
Author(s):  
Shi Xi Zhao ◽  
Qiang Li ◽  
Feng Bing Song
Keyword(s):  
Particle Size ◽  
Dielectric Properties ◽  
Molten Salts ◽  
Piezoelectric Properties ◽  
Perovskite Phase ◽  
Theoretical Density ◽  
Densification Process ◽  
Single Perovskite Phase ◽  
Dielectric And Piezoelectric Properties

Single perovskite phase PMN-PT powders had been synthesized using molten salts method. The powders of PMN-PT synthesized by MSS had submicrometer particle size and high sinterability, which beneficial to an enhancement of the densification process and a decrease of the sintering temperatures. These advantages have an important bearing on the dielectric properties of these materials. The density of ceramics sintered at 1175°C was up to 98% of the theoretical density. These ceramics had excelled dielectric and piezoelectric properties.

scholarly journals Domain and lattice contributions to dielectric and piezoelectric properties of Pb(Zrx, Ti1−x)O3 thin films as a function of composition

1999 ◽  
Vol 14 (11) ◽  
pp. 4307-4318 ◽  
Author(s):  
S. Hiboux ◽  
P. Muralt ◽  
T. Maeder
Keyword(s):  
Thin Films ◽  
Dielectric Properties ◽  
Domain Wall ◽  
Diffraction Analysis ◽  
Piezoelectric Properties ◽  
X Ray Diffraction ◽  
X Ray ◽  
Sputter Deposited ◽  
Dielectric And Piezoelectric Properties

In situ reactively sputter deposited, 300-nm-thick Pb(Zrx, Ti1−x)O3 thin films were investigated as a function of composition, texture, and different electrodes (Pt,RuO2).X-ray diffraction analysis, ferroelectric, dielectric, and piezoelectric measurements were carried out. While for dielectric properties bulklike contributions from lattice as well as from domains are observed, domain wall contributions to piezoelectric properties are very much reduced in the morphotropic phase boundary (MPB) region. Permittivity and d33 do not peak at the same composition; the MPB region is broadened up and generally shifted to the tetragonal side.

Dielectric and Piezoelectric Properties of (Na,Ba)(Nb,Ti)O3 Lead-Free Piezoelectric Ceramics

2010 ◽  
Vol 445 ◽  
pp. 55-58 ◽  
Author(s):  
Rintaro Aoyagi ◽  
Makoto Iwata ◽  
Masaki Maeda
Keyword(s):  
Crystal Structure ◽  
Solid Solution ◽  
Dielectric Properties ◽  
Room Temperature ◽  
Electromechanical Coupling ◽  
Piezoelectric Properties ◽  
Electromechanical Coupling Factor ◽  
Coupling Factor ◽  
Lead Free ◽  
Dielectric And Piezoelectric Properties

(Na1-xBax)(Nb1-xTix)O3 (NNBTx; x=0.0-0.21) solid-solution ceramics were synthesized and their crystal structure, dielectric properties and piezoelectric properties were investigated. The crystal structure at room temperature of NNBTx varied from orthorhombic to tetragonal with increasing BaTiO3 content x. The phase boundary between orthorhombic and tetragonal at room temperature was confirmed BT content between x=0.08 and 0.09. For x>0.05, it was found that the Curie temperature was decreased with increasing x. The highest electromechanical coupling factor, kp, and the largest piezoelectric constant, d33, were obtained at x=0.09-0.10.

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