高级检索

 作者：Qingning Li , Ling Yang 来源：[J].Bulletin of Materials Science(IF 0.584), 2017, Vol.40 (6), pp.1159-1163 摘要：It is well known that domains and crystal structure control the physical properties of ferroelectrics. The ex-situ electric field-dependent structural study, carried out in unpoled/poled crushed powder and bulk samples for $$(\hbox {Li}_{0.5} \hbox {Nd}_{0.5})^{2+}$$ modified 0.9...
 作者：Yan Lei , Qingning Li 来源：[J].KSCE Journal of Civil Engineering(IF 0.383), 2017, Vol.21 (6), pp.2329-2337 摘要：Based on similar theory and multi-dimensional seismic design theory, a Y-shaped bridge model with the scale ratio of 1:20 was made to conduct the seismic simulation shaking table test in this paper. Failure mode and dynamic responses of Y-shaped bridge under different seismic wav...
 作者：Qingning Li , Qin Feng ... 来源：[J].Journal of Materials Science: Materials in Electronics(IF 1.486), 2017, Vol.28 (13), pp.9941-9949 摘要：Microwave dielectric ceramics (Ce1− x Bi x )0.2Sr0.7TiO3 ( x = 0–0.08) were prepared by conventional solid-state route. The specimens have been characterized using scanning electron microscopy, X-ray diffraction, Raman a...
 作者：Qingning Li , Jun Wang ... 来源：[J].Journal of the European Ceramic Society(IF 2.36), 2018, Vol.38 (4), pp.1356-1366 摘要：Abstract(#br)Effect of Zn site-selected doping on electrical properties, high-temperature stability and sensitivity of piezoelectric response for BiFeO 3 -BaTiO 3 ceramics was investigated. The results revealed that the addition of Zn leaded to an evident modification of the...
 作者：Qingning Li , Ling Yang ... 来源：[J].Ceramics International(IF 1.789), 2018 摘要：Abstract(#br)Ferroelectric phases coexistence or transition is an important strategy on generating high piezoelectricity. Here, the temperature-induced phase structural evolution correlated with small signal piezoelectric response d 33 , bias-field piezoelectric activity d m...
 作者：Qingning Li , Ling Yang ... 来源：[J].Ceramics International(IF 1.789), 2018, Vol.44 (8), pp.8955-8962 摘要：Abstract(#br)Co modified lead-free 0.7BiFeO 3 − 0.3BaTiO 3 (0.7BFO-0.3BT- x Co 2 O 3 ； x = 0, 0.3, 0.6, 0.9 and 1.2) piezoelectric ceramics were prepared by a conventional solid-state reaction. The effect of Co doping on the structural, piezoelectric properties and leakage c...
 作者：Qingning Li , Jiwen Xu ... 来源：[J].Journal of Alloys and Compounds(IF 2.39), 2019, Vol.793, pp.9-15 摘要：Abstract(#br)Doping in bismuth sodium titanate (BNT)-based ceramic is often intended to realize excellent direct piezoelectric responses mainly through A-site substitution and generate ultrahigh strain behaviors mainly by B-site doping, which indicate the different effects o...
 作者：Qingning Li , Weidong Zeng ... 来源：[J].Materials Research Bulletin(IF 1.913), 2018 摘要：Abstract(#br)The excellent electrical properties and potential applications of ferroelectric ceramics are intrinsically correlated with the dynamic polarization response under applied electric field. However, the lack of clarity with regard to global polarization reversal pr...
 作者：Qingning Li , Ling Yang ... 来源：[J].Journal of Alloys and Compounds(IF 2.39), 2018, Vol.748, pp.758-765 摘要：Abstract(#br)Polycrystalline piezoelectric ceramics 0.7Bi 1- x Ca x FeO 3 -0.3BaTiO 3 (BC x F-BT) were fabricated by the solid state reaction route. Effects of Ca doping on microstructures, electrical properties and their temperature dependence were investigated systematical...
 作者：Qingning Li , Ling Yang ... 来源：[J].Ceramics International(IF 1.789), 2018, Vol.44 (12), pp.14439-14445 摘要：Abstract(#br)The thermal stability of the piezoelectric properties in BiFeO 3 based high-temperature piezoceramics is traditionally investigated through room temperature characterization via thermal annealing measurements, which cannot reflect the actual performance at eleva...