Results 11 to 20 of about 2,958 (180)

The influence of polarization on properties of the potential barrier at metal-ferroelectric interface [PDF]

Processing and Application of Ceramics, 2019
The barrier properties of a capacitor heterostructure based on a ferroelectric lead zirconate-titanate were investigated by using the methods of current-voltage and voltage-capacitance characteristics.
Mikhail V. Kamenshchikov, Alexander V. Solnyshkin, Igor P. Pronin, Alexey N. Belov   +3 more
doaj   +1 more source

Lead-Free Piezoelectric Composite With Lithium Niobate and Barium Titanate Fabricated by Interdigital Pair Bonding Technique

IEEE Access, 2021
Since 2003, when the European Union (E.U.) announced the restriction of hazardous substances (RoHS), multiple efforts have been made to replace lead zirconate titanate (PZT) based piezoelectric materials.
Kyungmin Kim, Jinhee Yoo, Hae Gyun Lim, Mina Lee, Sung-Min Park, Hyung Ham Kim   +5 more
doaj   +1 more source

Traceable Nanoscale Measurements of High Dielectric Constant by Scanning Microwave Microscopy

Nanomaterials, 2021
The importance of high dielectric constant materials in the development of high frequency nano-electronic devices is undeniable. Their polarization properties are directly dependent on the value of their relative permittivity.
Damien Richert, José Morán-Meza, Khaled Kaja, Alexandra Delvallée, Djamel Allal, Brice Gautier, François Piquemal   +6 more
doaj   +1 more source

Comparison of Metal-Based PZT and PMN–PT Energy Harvesters Fabricated by Aerosol Deposition Method

Sensors, 2021
In this study, polycrystalline lead magnesium niobate–lead titanate (PMN–PT) was explored as an alternative piezoelectric material, with a higher power density for energy harvesting (EH), and comprehensively compared to the widely used polycrystalline ...
Chao-Ting Chen, Shun-Chiu Lin, Urška Trstenjak, Matjaž Spreitzer, Wen-Jong Wu   +4 more
doaj   +1 more source

Dielectric and piezoelectric properties of cement-containing piezoelectric composites: Experiments and modeling

Materials & Design, 2023
In this work, porous honeycomb lead zirconate titanate (PZT) ceramics with one dimensional ordered pore channels were fabricated by the ionotropic gelation of sodium alginate/PZT suspension with SrCl2 solution, then the piezoelectric cement/PZT paste ...
Wei Liu, Haoxin Sun, Zhonghua Li, Jianhong Wang, Peikang Bai   +4 more
doaj   +1 more source

Impact-Based Amplification and Frequency Down-Conversion of Piezoelectric Actuation for Small Robotics

Applied Sciences, 2021
This paper explores a concept for dynamic amplification of piezoelectric actuator motion using repeated impacts between the active transducer and a compliant amplification mechanism.
Congkai Shen, Siyuan Yu, Junjie Luo, Kenn R. Oldham   +3 more
doaj   +1 more source

Damage assessment in concrete structures using piezoelectric based sensors

Revista ALCONPAT, 2017
Damage assessment in concrete structures using piezoelectric based sensors ABSTRACT Piezoelectric based PZT (Lead Zirconate Titanate) smart sensors offer significant potential for continuously monitoring the development and progression of internal ...
A. Narayanan, K. V. L. Subramaniam
doaj   +1 more source

4D Printing of Lead Zirconate Titanate Piezoelectric Composites Transducer Based on Direct Ink Writing

Frontiers in Materials, 2021
Lead zirconate titanate (PZT) piezoelectric composites used in transducers were fabricated via direct ink writing (DIW) combined with furnace sintering and resin impregnation.
Kai Liu, Kai Liu, Qingqing Zhang, Chenyang Zhou, Yusheng Shi, Ce Sun, Huajun Sun, Huajun Sun, Huajun Sun, Changxia Yin, Jiaming Hu, Shuyu Zhou, Yuzhen Zhang, Yu Fu   +13 more
doaj   +1 more source

Characterisation of the polarisation state of embedded piezoelectric transducers by thermal waves and thermal pulses [PDF]

Journal of Sensors and Sensor Systems, 2016
In this work, we apply the thermal wave method and the thermal pulse method for non-destructive characterisation of the polarisation state of embedded piezoelectric transducers. Heating the sample with a square-wave modulated laser beam or a single laser
A. Eydam, G. Suchaneck, G. Gerlach
doaj   +1 more source

Non-Destructive Concrete Strength Evaluation Using PZT Based Surface Wave Propagation Technique – A Comparative Study

MATEC Web of Conferences, 2016
Surface wave propagation (SWP) technique employing Lead Zirconate Titanate (PZT) transducer has recently been found to be a useful tool in concrete hydration monitoring.
Kwong Kok Zee, Lim Yee Yan, Liew Willey Yun Hsien   +2 more
doaj   +1 more source