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Academic literature on the topic 'PIEZOELECTRIC PERFORMANCE'

Author: Grafiati
Published: 11 September 2023

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Journal articles on the topic "PIEZOELECTRIC PERFORMANCE"

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Liu, Qing, Yichi Zhang, Jing Gao, Zhen Zhou, Hui Wang, Ke Wang, Xiaowen Zhang, Longtu Li, and Jing-Feng Li. "High-performance lead-free piezoelectrics with local structural heterogeneity." Energy & Environmental Science 11, no. 12 (2018): 3531–39. http://dx.doi.org/10.1039/c8ee02758g.

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Zhang, Zhong Hua, Guang Ming Cheng, Jun Wu Kan, Ping Zeng, and Jian Ming Wen. "The Influence of Multiple Piezoelectric Effects on Elastic Coefficient of Piezoelectric Ceramics." Advanced Materials Research 305 (July 2011): 348–52. http://dx.doi.org/10.4028/www.scientific.net/amr.305.348.

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The development of new materials and the performance improvement of existing materials become an important subject from different aspects. In this paper, based on the theoretical research results of multiple piezoelectric effects, the influence of multiple piezoelectric effects on elastic coefficient of piezoelectric ceramics is studied. Theoretical analysis indicates that it is multiple piezoelectric effects that make piezoelectrics have two kinds of elastic and they result in the decrease of elastic compliance coefficients. Experimental validation is performed through PZT-5. Experimental results show that elastic compliance coefficient grows decreased by 0.912 times.
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Hlinka, Jiří. "Doubling up piezoelectric performance." Science 364, no. 6437 (April 19, 2019): 228–29. http://dx.doi.org/10.1126/science.aax0693.

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Trolier-McKinstry, Susan, Shujun Zhang, Andrew J. Bell, and Xiaoli Tan. "High-Performance Piezoelectric Crystals, Ceramics, and Films." Annual Review of Materials Research 48, no. 1 (July 2018): 191–217. http://dx.doi.org/10.1146/annurev-matsci-070616-124023.

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Piezoelectric materials convert between electrical and mechanical energies such that an applied stress induces a polarization and an applied electric field induces a strain. This review describes the fundamental mechanisms governing the piezoelectric response in high-performance piezoelectric single crystals, ceramics, and thin films. While there are a number of useful piezoelectric small molecules and polymers, the article focuses on inorganic materials displaying the piezoelectric effect. Piezoelectricity is first defined, and the mechanisms that contribute are discussed in terms of the key crystal structures for materials with large piezoelectric coefficients. Exemplar systems are then discussed and compared for the cases of single crystals, bulk ceramics, and thin films.
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Yu, Fapeng, Qingming Lu, Shujun Zhang, Hewei Wang, Xiufeng Cheng, and Xian Zhao. "High-performance, high-temperature piezoelectric BiB3O6 crystals." Journal of Materials Chemistry C 3, no. 2 (2015): 329–38. http://dx.doi.org/10.1039/c4tc02112f.

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BiB3O6 crystals possess large piezoelectric coefficients and high-temperature stability of their piezoelectric properties, which is promising for piezoelectric sensor applications.
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Duan, Shengshun, Jun Wu, Jun Xia, and Wei Lei. "Innovation Strategy Selection Facilitates High-Performance Flexible Piezoelectric Sensors." Sensors 20, no. 10 (May 15, 2020): 2820. http://dx.doi.org/10.3390/s20102820.

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Piezoelectric sensors with high performance and low-to-zero power consumption meet the growing demand in the flexible microelectronic system with small size and low power consumption, which are promising in robotics and prosthetics, wearable devices and electronic skin. In this review, the development process, application scenarios and typical cases are discussed. In addition, several strategies to improve the performance of piezoelectric sensors are summed up: (1) material innovation: from piezoelectric semiconductor materials, inorganic piezoceramic materials, organic piezoelectric polymer, nanocomposite materials, to emerging and promising molecular ferroelectric materials. (2) designing microstructures on the surface of the piezoelectric materials to enlarge the contact area of piezoelectric materials under the applied force. (3) addition of dopants such as chemical elements and graphene in conventional piezoelectric materials. (4) developing piezoelectric transistors based on piezotronic effect. In addition, the principle, advantages, disadvantages and challenges of every strategy are discussed. Apart from that, the prospects and directions of piezoelectric sensors are predicted. In the future, the electronic sensors need to be embedded in the microelectronic systems to play the full part. Therefore, a strategy based on peripheral circuits to improve the performance of piezoelectric sensors is proposed in the final part of this review.
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Mohammadi, S., and M. Abdalbeigi. "Analytical Optimization of Piezoelectric Circular Diaphragm Generator." Advances in Materials Science and Engineering 2013 (2013): 1–10. http://dx.doi.org/10.1155/2013/620231.

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This paper presents an analytical study of the piezoelectric circular diaphragm microgenerator using strain energy method. Piezoelectrics are the intelligent materials that can be used as transducer to convert mechanical energy into electrical energy and vice versa. The aim of this paper is to optimize produced electrical energy from mechanical pressure. Therefore, the circular metal plate equipped with piezoelectric circular patch has been considered with simply and clamped supports. A comprehensive modeling, parametrical study and the effect of the boundary conditions on the performance of the microgenerator have been investigated. The system is under variable pressure from an oscillating pressure source. Results are presented for PZT and PMN-PT piezoelectric materials with steel and aluminum substrates. An optimal value for the radius and thickness of the piezoelectric layer with a special support condition has been obtained.
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Shi, Hongwei, Kai Li, Feng Li, Jianxing Ma, Yubing Tu, Mingsheng Long, Yilin Lu, Weiping Gong, Chunchang Wang, and Lei Shan. "Enhanced Piezoelectricity and Thermal Stability of Electrostrain Performance in BiFeO3-Based Lead-Free Ceramics." Nanomaterials 13, no. 5 (March 5, 2023): 942. http://dx.doi.org/10.3390/nano13050942.

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BiFeO3–based ceramics possess an advantage over large spontaneous polarization and high Curie temperature, and are thus widely explored in the field of high–temperature lead–free piezoelectrics and actuators. However, poor piezoelectricity/resistivity and thermal stability of electrostrain make them less competitive. To address this problem, (1 − x) (0.65BiFeO3–0.35BaTiO3)–xLa0.5Na0.5TiO3 (BF–BT–xLNT) systems are designed in this work. It is found that piezoelectricity is significantly improved with LNT addition, which is contributed by the phase boundary effect of rhombohedral and pseudocubic phase coexistence. The small–signal and large–signal piezoelectric coefficient (d33 and d33*) peaks at x = 0.02 with 97 pC/N and 303 pm/V, respectively. The relaxor property and resistivity are enhanced as well. This is verified by Rietveld refinement, dielectric/impedance spectroscopy and piezoelectric force microscopy (PFM) technique. Interestingly, a good thermal stability of electrostrain is obtained at x = 0.04 composition with fluctuation η = 31% (Smax'−SRTSRT×100%), in a wide temperature range of 25–180 °C, which is considered as a compromise of negative temperature dependent electrostrain for relaxors and the positive one for ferroelectric matrix. This work provides an implication for designing high–temperature piezoelectrics and stable electrostrain materials.
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Yang, Zhigang, Luntao Dong, Meng Wang, Xingqi Li, Xiaopeng Liu, and Guojun Liu. "A miniature piezoelectric pump with high performance." AIP Advances 12, no. 6 (June 1, 2022): 065316. http://dx.doi.org/10.1063/5.0094633.

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The high performance and miniaturization of the piezoelectric pump are essential for its application. A single-chamber piezoelectric pump with a circular unimorph piezoelectric actuator and cantilever check valves is proposed in this work, which has good output performance and smaller overall size. The working principle of the piezoelectric pump was described, and the theoretical working characteristics of the cantilever check valve were analyzed in detail. The corresponding experimental prototype was made for the output performance assessment. The experimental results show that the pump has good self-suck ability under well-assembled process conditions, which provides a guarantee for the high flow rate and the output pressure of the piezoelectric pump. The maximum flow rate of 4.5 ml/min is obtained when the pump is driven by an offset sinusoidal voltage of 180Vpp at 50 Hz; the maximum output pressure of the pump reaches 52 kPa under 180Vpp at 150 Hz. In addition, at 70 Hz, 180Vpp, the comprehensive performance of the piezoelectric pump is better, with a flow rate above 3 ml/min and an output pressure over 35 kPa. The proposed piezoelectric pump has the characteristics of simple structure, high performance, small size, and low cost, which can be applied in microelectronic cooling, biomedical, and other fields.
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Matzen, S., S. Gable, N. Lequet, S. Yousfi, K. Rani, T. Maroutian, G. Agnus, H. Bouyanfif, and P. Lecoeur. "High piezoelectricity in epitaxial BiFeO3 microcantilevers." Applied Physics Letters 121, no. 14 (October 3, 2022): 142901. http://dx.doi.org/10.1063/5.0105404.

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The large switchable ferroelectric polarization and lead-free composition of BiFeO3 make it a promising candidate as an active material in numerous applications, in particular, in micro-electro-mechanical systems (MEMS) when BiFeO3 is integrated in a thin film form on a silicon substrate. Here, 200-nm-thick Mn-doped BiFeO3 thin films have been epitaxially grown on a SrRuO3/SrTiO3/Si substrate and patterned into microcantilevers as prototype device structures for piezoelectric actuation. The devices demonstrate excellent ferroelectric response with a remanent polarization of 55 μC/cm2. The epitaxial BiFeO3 MEMS exhibit very high piezoelectric response with transverse piezoelectric coefficient d31 reaching 83 pm/V. The BiFeO3 cantilevers show larger electromechanical performance (the ratio of curvature/electric field) than that of state-of-art piezoelectric cantilevers, including well-known PZT (Pb(Zr,Ti)O3) and the hyper-active PMN–PT (Pb(Mg1/3Nb2/3)O3-PbTiO3). In addition, the piezoelectricity in BiFeO3 MEMS is found to depend on the ferroelectric polarization direction, which could originate from the flexoelectric effect and be exploited to further enhance the electromechanical performance of the devices. These results could potentially lead to a replacement of lead-based piezoelectrics by BiFeO3 in many microdevices.
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Dissertations / Theses on the topic "PIEZOELECTRIC PERFORMANCE"

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Gupta, Shashaank. "High Performance Lead--free Piezoelectric Materials." Diss., Virginia Tech, 2013. http://hdl.handle.net/10919/50959.

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Piezoelectric materials find applications in number of devices requiring inter-conversion of mechanical and electrical energy.  These devices include different types of sensors, actuators and energy harvesting devices. A number of lead-based perovskite compositions (PZT, PMN-PT, PZN-PT etc.) have dominated the field in last few decades owing to their giant piezoresponse and convenient application relevant tunability. With increasing environmental concerns, in the last one decade, focus has been shifted towards developing a better understanding of lead-free piezoelectric compositions in order to achieve an improved application relevant performance.  Sodium potassium niobate (KxNa1-xNbO3, abbreviated as KNN) is one of the most interesting candidates in the class of lead-free piezoelectrics. Absence of any poisonous element makes it unique among all the other lead-free candidates having presence of bismuth. Curie temperature of 400"C, even higher than that of PZT is another advantage from the point of view of device applications.
               Present work focuses on the development of fundamental understanding of the crystallographic nature, domain structure and domain dynamics of KNN. Since compositions close to x = 0.5 are of primary interest because of their superior piezoelectric activity among other compositions (0 < x < 1), crystallographic and domain structure studies are focused on this region of the phase diagram. KNN random ceramic, textured ceramic and single crystals were synthesized, which in complement to each other help in understanding the behavior of KNN.
            K0.5Na0.5NbO3 single crystals grown by the flux method were characterized for their ferroelectric and piezoelectric behavior and dynamical scaling analysis was performed to reveal the origin of their moderate piezoelectric performance. Optical birefringence technique used to reveal the macro level crystallographic nature of x = 0.4, 0.5 and 0.6 crystals suggested them to have monoclinic Mc, monoclinic MA/B and orthorhombic structures respectively. Contrary to that, pair distribution function analysis performed on same composition crystals implies them to belonging to monoclinic Mc structure at local scale. Linear birefringence and piezoresponse force microscopy (PFM) were used to reveal the domain structure at macro and micros scales respectively.
                 A noble sintering technique was developed to achieve > 99% density for KNN ceramics. These high density ceramics were characterized for their dielectric, ferroelectric and piezoelectric properties. A significant improvement in different piezoelectric coefficients of these ceramics validates the advantages of this sintering technique. Also lower defect levels in these high density ceramics lead to the superior ferroelectric fatigue behavior as well. To understand the role of seed crystals in switching behavior of textured ceramic, highly textured KNN ceramics (Lotgering factor ~ 88 %) were synthesized using TGG method. A sintering technique similar to one employed for random ceramics, was used to sinter textured KNN ceramics as well. Piezoresponse force microscopy (PFM) study suggested these textured ceramics to have about 6¼m domains as compared to 2¼m domain size for random ceramics.  Local switching behavior studied using switching spectroscopy (SS-PFM) revealed about two and half time improvement of local piezoresponse as compared to random counterpart.

Ph. D.
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Almajid, Abdulhakim A. "Design of high performance piezo composites actuators /." Thesis, Connect to this title online; UW restricted, 2002. http://hdl.handle.net/1773/7130.

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Mtawa, Alexander Nikwanduka. "Influence of geometry and material properties on the optimum performance of the C-shape piezo-composite actuator." Thesis, Cape Peninsula University of Technology, 2008. http://hdl.handle.net/20.500.11838/1301.

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Thesis (DTech (Mechanical Engineering))--Cape Peninsula University of Technology, 2008
In recent years, due to rapid advances in technology there has been an increasingly high demand for large displacement and large force, precise positioning, fast response, low power consuming miniature piezoelectric actuators. In certain smart structure applications, the use of curved piezoelectric actuators is necessary. The present work extends the earlier investigations on the C- shape actuator by providing a detailed investigation on the influence of geometric and material properties of the individual layers of the C-shape piezocomposite for its optimal performance as an actuator. Analytical models have. been used to optimize the geometry of the actuator. Experimental and finite element analyses (using general purpose finite element software i.e. CoventerWare and MSC. Marc) have been used for validation. The present work has established that, by maintaining the thickness of the substrate and piezoceramic layers constant; changing the external radius, for example increasing it, the stiffness of the structure decreases and thus yielding large displacement This has a negative effect on the force produced by the actuator. With fixed thickness of the substrate and varying the thickness of the piezoceramic (for fixed external radius) the result is as follows: Increasing the thickness of the piezoceramic layer has the effect of decreasing the displacement while the force increases. With fixed PZT thickness as well as the external radius, varying the substrate thickness has the following effect: As the thickness of the substrate increases the displacement increases reaching a maximum. Subsequent increase in the thickness of the substrate the displacement is reduced. The force continues increasing at least for the ratios up to 1.0, further increase of the substrate, subsequent decrease of force is also noted. In addition to changing the thickness of the substrate, the choice of different material for the substrate has the following effect: For substrate/PZT ratios of up to 0.6. an actuator with substrate material having higher elastic modulus will produce larger displacement while for ratios beyond this ratio the situation is reversed. The causes for this kind of behaviour have been addressed. In all cases both force and displacement are found to be directly proportional to applied voltage.
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Robinson, Michelle Christina. "Microstructural and geometric effects on the piezoelectric performance of PZT MEMS." Online access for everyone, 2007. http://www.dissertations.wsu.edu/Dissertations/Fall2007/m_robinson_091307.pdf.

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Rosatti, Lyric Michael. "Fatigue performance of macro-fiber piezoelectric composite actuator with respect to variable beam geometry." Thesis, Montana State University, 2012. http://etd.lib.montana.edu/etd/2012/rosatti/RosattiL1212.pdf.

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This study is an investigation into the reliability and performance over the lifetime of the piezoelectric fiber composite, macro fiber composite (MFC), with respect to variable beam geometry. MFC's are a class of smart structure utilizing the piezoelectric effect. The MFC is a thin flexible composite system that can be laminated to surfaces or embedded in classic composite structures for actuation and sensing. These piezocomposite structures are rectangular patches made of Lead-Zirconium-Titinate (PZT) piezoceramic fibers, copper-clad polyimide film, and epoxy. MFC's were originally developed at NASA Langley Research Center and are now commercially available from a single manufacturer. In this study, lifespan and performance were characterized by using the MFC as an actuator to impart deflection in a substrate. This structure is referred to as a Unimorph. The beam geometry affects the bending stiffness of the beam, and thus affects the reaction of the MFC. The only free geometrical dimension in this study was beam height. The unimorph was actuated cyclically by an electrical field of 3E+6 volts per micron at a frequency of 3750 Hz. Expected cycles to failure was 10 ⁹ cycles. The test specimens consisted of cantilevered A2 tool steel beams, with six discrete beam heights, and an MFC patch laminated to one surface by a two-part epoxy. Beam tip displacement measurements were taken using a laser displacement sensor as an indication of cyclical performance over time. The beams were cycled until failure or 10 ⁹ cycles for all beam geometries. The results of the experiment indicate a severe drop off in life with an increase of work energy out of the system. This is a function of the ratio of beam stiffness to MFC stiffness. After a break-in period of less than 250E+6 cycles, no significant degradation in operational performance was indicated by the recorded tip displacement despite an immense amount of crack propagation in the piezoceramic fibers. The results of this testing can be used in designing piezoelectric actuators and as a basis for further study of MFC's.
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Roberts, Patrick James. "An Experimental Study of Concurrent Methods for Adaptively Controlling Vertical Tail Buffet in High Performance Aircraft." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/19863.

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High performance twin-tail aircraft, like the F-15 and F/A-18, encounter a condition known as tail buffet. At high angles of attack, vortices are generated at the wing fuselage interface (shoulder) or other leading edge extensions. These vortices are directed toward the twin vertical tails. When the flow interacts with the vertical tail it creates pressure variations that can oscillate the vertical tail assembly. This results in fatigue cracks in the vertical tail assembly that can decrease the fatigue life and increase maintenance costs. For many years, research has been conducted to understand this phenomenon of buffet and to reduce its adverse effects on the fatigue life of aerospace structures. Many proposed solutions to this tail buffet problem have had limited success. These include strengthening the tail, modifying the vortex flow, using an active rudder control, and leading edge extensions. Some of the proposed active controls include piezoelectric actuators. Recently, an offset piezoceramic stack actuator was used on an F-15 wind tunnel model to control buffet induced vibrations at high angles of attack. The controller was based on acceleration feedback control methods. In this thesis a procedure for designing the offset piezoceramic stack actuators is developed. This design procedure includes determining the quantity and type of piezoceramic stacks used in these actuators. The changes of stresses, in the vertical tail caused by these actuators during an active control, are investigated. In many cases, linear controllers are very effective in reducing vibrations. However, during flight, the natural frequencies of the vertical tail structural system changes as the airspeed increases. This in turn, reduces the effectiveness of a linear controller. Other causes such as the unmodeled dynamics and nonlinear effects due to debonds also reduce the effectiveness of linear controllers. In this thesis, an adaptive neural network is used to augment the linear controller to correct these effects.
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Xiong, Xingyu. "Development of vibration-based multi-resonance energy harvesters using piezoelectric materials." Thesis, University of Manchester, 2014. https://www.research.manchester.ac.uk/portal/en/theses/development-of-vibrationbased-multiresonance-energy-harvesters-using-piezoelectric-materials(62d0d760-8b9c-4958-94a9-677b0e57082d).html.

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The development of self-powered wireless sensor networks for structural and machinery health monitoring has attracted considerable attention in the research field during the last decade. Since the low-duty-cycle wireless sensor networks have significantly reduced the power requirements to the range of tens to hundreds of microwatts, it is possible to harvest environmental energy as the power supply instead of using batteries. Vibration energy harvesting using piezoelectric materials has become the most popular technique, which has a good potential to generate adequate power. However, there is a limitation for the conventional beam-shaped harvester designs in real applications due to their limited bandwidth. In order to overcome this limitation, the essential objective of this thesis is to develop harvesters with multi-resonance structures. The multi-resonance harvester with good broadband performance can achieve close resonance frequencies and relatively large power output in each vibration mode. The main tasks and contributions of this thesis are summarised as follows: • A parametric analysis is presented to determine how the modal structural and electromechanical performances of cantilevered beam harvesters are affected by two modal factors designated as mass ratio and electromechanical coupling coefficient (EMCC). The modal performance of using rectangular, convergent and divergent tapered configurations with and without extra masses are systematically analysed by geometric variation using the finite element analysis (FEA) software ABAQUS. • A modal approach using the two modal factors to evaluate the modal performance of harvesters is introduced and a configurational optimization strategy based on the modal approach is developed to pre-select the configurations of multi-resonance harvesters with better modal structural performance and close resonance frequencies in multiple modes. Using this optimization strategy obviates the need to run the full analysis at the first stage. • A novel two-layer stacked harvester, which consists of a base cantilevered beam that is connected to an upper beam by a rigid mass, is developed. By altering the dimensions and the locations of the masses, the two-layer harvester can generate two close resonance frequencies with relatively large power output. The effects of using rectangular, convergent and divergent tapered beam configurations are systematically analysed. • Multi-layer stacked harvesters with up to five layers are developed. The three-layer harvesters with different mass positions, which can generate three close resonance frequencies, are optimized using the configurational optimization strategy. • A novel doubly-clamped multi-layer harvester, which is able to generate five close resonance frequencies with relatively large power output, is developed and thoroughly analysed. • An experimental study of the multi-layer stacked harvester is presented to validate the simulated results and the configurational optimization strategy. • An experimental study of the two-layer stacked harvester using high performance single crystal piezoelectric material PIMNT is presented. The harvester using PIMNT can generate nearly 10 times larger power output and 3.5 times wider bandwidth than using PZT. Besides, by modifying the location of the piezoelectric layer, anti-resonances between two adjacent modes can be eliminated.
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Mei, Jie. "Simulation and characterization on optimum performance of piezoelectric energy harvesters by utiliizing multimode mechanical response." Thesis, Swansea University, 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.678400.

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Zhang, Wenli. "HIGH PERFORMANCE PIEZOELECTRIC MATERIALS AND DEVICES FOR MULTILAYER LOW TEMPERATURE CO-FIRED CERAMIC BASED MICROFLUIDIC SYSTEMS." UKnowledge, 2011. http://uknowledge.uky.edu/gradschool_diss/200.

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The incorporation of active piezoelectric elements and fluidic components into micro-electromechanical systems (MEMS) is of great interest for the development of sensors, actuators, and integrated systems used in microfluidics. Low temperature cofired ceramics (LTCC), widely used as electronic packaging materials, offer the possibility of manufacturing highly integrated microfluidic systems with complex 3-D features and various co-firable functional materials in a multilayer module. It would be desirable to integrate high performance lead zirconate titanate (PZT) based ceramics into LTCC-based MEMS using modern thick film and 3-D packaging technologies. The challenges for fabricating functional LTCC/PZT devices are: 1) formulating piezoelectric compositions which have similar sintering conditions to LTCC materials; 2) reducing elemental inter-diffusion between the LTCC package and PZT materials in co-firing process; and 3) developing active piezoelectric layers with desirable electric properties. The goal of present work was to develop low temperature fired PZT-based materials and compatible processing methods which enable integration of piezoelectric elements with LTCC materials and production of high performance integrated multilayer devices for microfluidics. First, the low temperature sintering behavior of piezoelectric ceramics in the solid solution of Pb(Zr0.53,Ti0.47)O3-Sr(K0.25, Nb0.75)O3 (PZT-SKN) with sintering aids has been investigated. 1 wt% LiBiO2 + 1 wt% CuO fluxed PZT-SKN ceramics sintered at 900oC for 1 h exhibited desirable piezoelectric and dielectric properties with a reduction of sintering temperature by 350oC. Next, the fluxed PZT-SKN tapes were successfully laminated and co-fired with LTCC materials to build the hybrid multilayer structures. HL2000/PZT-SKN multilayer ceramics co-fired at 900oC for 0.5 h exhibited the optimal properties with high field d33 piezoelectric coefficient of 356 pm/V. A potential application of the developed LTCC/PZT-SKN multilayer ceramics as a microbalance was demonstrated. The final research focus was the fabrication of an HL2000/PZT-SKN multilayer piezoelectric micropump and the characterization of pumping performance. The measured maximum flow rate and backpressure were 450 μl/min and 1.4 kPa respectively. Use of different microchannel geometries has been studied to improve the pumping performance. It is believed that the high performance multilayer piezoelectric devices implemented in this work will enable the development of highly integrated LTCC-based microfluidic systems for many future applications.
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Mettananda, E. A. C. Himanga. "A high performance winding traverse mechanism for textile precision winders using electromagnetic/piezoelectric dual-stage positioning." Thesis, University of Leeds, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.410965.

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Books on the topic "PIEZOELECTRIC PERFORMANCE"

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E, Garcia, and United States. National Aeronautics and Space Administration., eds. Design, modeling and performance optimization of a novel rotary piezoelectric motor. [Washington, DC: National Aeronautics and Space Administration, 1997.

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United States. National Aeronautics and Space Administration., ed. Investigation of solar active regions at high resolution by balloon flights of the solar optical universal polarimeter: Extended definition phase : final report : period of performance May, 1992 to May, 1993. Palo Alto, CA: Research and Development Division, Lockheed Missiles and Space Co., Inc., 1993.

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Performance of Nonlinear Mechanical, Resonant-Shunted Piezoelectric, and Electronic Vibrations Absorbers for Multi-Degree-of-Freedom Structures. Storming Media, 1997.

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Book chapters on the topic "PIEZOELECTRIC PERFORMANCE"

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Yuan, Song Mei, Lu Tao Yan, and Qiang Liu. "A Novel Piezoelectric Nebulizer." In High-Performance Ceramics V, 221–22. Stafa: Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/0-87849-473-1.221.

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Ji, Ye, Xiang Cheng Chu, Long Tu Li, and Zhi Lun Gui. "A Novel Piezoelectric Micro-Motor Using Multilayer Co-Firing Piezoelectric Ceramics." In High-Performance Ceramics V, 208–10. Stafa: Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/0-87849-473-1.208.

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Kakimoto, Kenichi. "Material Design of Alkaline Niobate Piezoelectric Ceramics." In High-Performance Ceramics V, 1879–82. Stafa: Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/0-87849-473-1.1879.

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Wang, Bao Wei, Xiang Cheng Chua, and Long Tu Li. "A Piezoelectric Micropump Based on MEMS Fabrication." In High-Performance Ceramics V, 215–17. Stafa: Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/0-87849-473-1.215.

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Hehn, Thorsten, and Yiannos Manoli. "Performance Analysis of the PSCE Chip." In CMOS Circuits for Piezoelectric Energy Harvesters, 129–85. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-9288-2_6.

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Zhu, Zhi Gang, Bao Shan Li, Guo Rong Li, and Qing Rui Yin. "Effects of SiO2 Substitution on Piezoelectric and Mechanical Properties of PMS-PZT Ternary Piezoelectric Ceramics." In High-Performance Ceramics III, 215–18. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-959-8.215.

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Chu, Xiang Cheng, Long Ma, Long Tu Li, and Zhi Lun Gui. "A Micro Piezoelectric Motor with a Disk-Pivot Structure." In High-Performance Ceramics V, 202–3. Stafa: Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/0-87849-473-1.202.

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Zhou, Jing, Wen Chen, Hua Jun Sun, and Qing Xu. "Electron Structure and Piezoelectric Characteristics of PMZN System Piezoceramics." In High-Performance Ceramics III, 185–88. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-959-8.185.

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Wang, Li Feng, and Qingchi Sun. "Processing and Properties of PSZN-PZT Quaternary Piezoelectric Ceramics." In High-Performance Ceramics III, 205–8. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-959-8.205.

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Pan, Jin Song, Xiao Wen Zhang, Ke Pi Chen, and Chao Lei. "Structure and Piezoelectric Properties of PZN-PNN-PT Ceramics." In High-Performance Ceramics III, 223–26. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-959-8.223.

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Conference papers on the topic "PIEZOELECTRIC PERFORMANCE"

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Mauck, Lisa D., William S. Oates, and Christopher S. Lynch. "Piezoelectric hydraulic pump performance." In SPIE's 8th Annual International Symposium on Smart Structures and Materials, edited by Anna-Maria R. McGowan. SPIE, 2001. http://dx.doi.org/10.1117/12.429662.

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Chole, Ajay M., and B. G. Fernandes. "Performance Study on Piezoelectric Transformers." In 2006 2nd International Conference on Power Electronics Systems and Applications. IEEE, 2006. http://dx.doi.org/10.1109/pesa.2006.343075.

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Zhang, Xiaoqing, Xinwu Zhang, Gerhard M. Sessler, and Xiangshan Gong. "Piezoelectric performance of polytetrafluoroethylene ferroelectrets." In 2013 IEEE Conference on Electrical Insulation and Dielectric Phenomena - (CEIDP 2013). IEEE, 2013. http://dx.doi.org/10.1109/ceidp.2013.6748276.

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Jensen, Flemming, Bjørn Andersen, Charles Mangeot, and Cédric Goueffon. "New high-performance piezoelectric actuator." In The 14th International Symposium on: Smart Structures and Materials & Nondestructive Evaluation and Health Monitoring, edited by Marcelo J. Dapino. SPIE, 2007. http://dx.doi.org/10.1117/12.715548.

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Lefeuvre, Elie, Adrien Badel, Claude Richard, and Daniel Guyomar. "High-performance piezoelectric vibration energy reclamation." In Smart Structures and Materials, edited by Alison B. Flatau. SPIE, 2004. http://dx.doi.org/10.1117/12.532709.

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Chole, Ajay M., and B. G. Fernandes. "Performance Study on Smart Piezoelectric Transformers." In 2006 2nd International Conference on Power Electronics Systems and Applications. IEEE, 2006. http://dx.doi.org/10.1109/pesa.2006.343115.

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Kang, Lae-Hyong, and Jae-Hung Han. "Performance Evaluation of the Pre-Stressed Piezoelectric Unimorph Using Nonlinear Piezoelectric Properties." In ASME 2010 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASMEDC, 2010. http://dx.doi.org/10.1115/smasis2010-3650.

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Piezoelectric actuators operate when the electric field (voltage) is applied to them. This piezoelectric behavior is defined using piezoelectric strain coefficients which are generally assumed to be constant. However, when high electric fields are applied to the piezoelectric actuators the piezoelectric strain constant may increase up to more than twice of the nominal value and, thus, cannot be considered as a constant value. Besides, in case of the pre-stressed piezoelectric unimorph actuators, the stress conditions inside piezoelectric actuators can affect piezoelectric behaviors. For reasons mentioned above, actuation performance of PUMPS actuator, which is one of the pre-stressed piezoelectric actuators developed by present authors, cannot be predicted accurately without consideration of piezoelectric nonlinearities such as voltage and stress effects. Generally, the piezoelectric behavior is mainly affected by the piezoelectric strain coefficient and the elastic modulus. Therefore, the voltage and stress effects on the piezoelectric strain coefficient and the elastic modulus of piezoelectric layer were investigated, and the results were used for prediction of actuation performance of PUMPS. Taking the nonlinear material properties of the piezoelectric layer into account, the actuation performance of PUMPS was accurately predicted in this study.
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Lundstrom, Troy, and Nader Jalili. "Adaptive Piezoelectric Self-Sensing Performance for Varying Piezoelectric Capacitance and Adaptation Gain." In ASME 2017 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/dscc2017-5192.

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The simultaneous measurement/electrical actuation of piezoelectric elements has been a subject of considerable interest in previous research. Within a limited bandwidth, piezoelectric materials can be modeled electrically as a voltage source and capacitor in series and when these components are integrated into a balanced capacitive bridge, simultaneous actuation and strain sensing is possible. Unfortunately, due to the sensitivity of piezoelectric materials to changing environmental conditions (temperature) and applied voltages, an adaptive scheme is required to maintain a balanced bridge and reduce high voltage spillover into the measurement channel. Even minute changes in the piezoelectric capacitance can overwhelm the strain sensing signal with high voltage content thereby preventing accurate strain sensing. The purpose of this work is to apply the self-sensing algorithm to a flexible structure with piezoelectric sensors/actuators mounted to its surface. The flexible structure utilized in this paper is composed of a small, cantilever resonator beam with two piezoelectric patches integrated into its structure and this beam is mounted at a arbitrary location to a larger, primary cantilever beam. The first two resonances of the actuator beam were tuned to that of the primary beam. High voltage signals are applied to the patch near the root of the resonator beam and simultaneous strain-induced voltage sensing is performed. Simulations have shown that estimation performance degrades with increasing rates of piezoelectric capacitance variation and conversely, adaptation times were found to decrease with increasing adaptive gains over the limited ranges of gains applied.
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Marinushkin, Pavel S. "Performance analysis of the piezoelectric vibratory gyroscope." In 2010 IEEE 2nd Russia School and Seminar on Fundamental Problems of Micro/Nanosystems Technologies (MNST). IEEE, 2010. http://dx.doi.org/10.1109/mnst.2010.5687131.

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Zhang, Yan-ming, Hao Chen, Long-xiang Dai, Hong-ping Hu, Gui-fen Fan, and Wen-zhong Lv. "Analysis on performance of flextensional piezoelectric hydrophone." In 2017 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA). IEEE, 2017. http://dx.doi.org/10.1109/spawda.2017.8340330.

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Reports on the topic "PIEZOELECTRIC PERFORMANCE"

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Kommepalli, H., A. Hirsh, C. Rahn, and S. Tadigadapa. Performance Piezoelectric Airframes for Nano Air Vehicles. Fort Belvoir, VA: Defense Technical Information Center, June 2008. http://dx.doi.org/10.21236/ada483748.

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Kommepalli, H., A. Hirsh, C. Rahn, and S. Tadigadapa. High Performance Piezoelectric Airframes for Nano Air Vehicles. Fort Belvoir, VA: Defense Technical Information Center, June 2008. http://dx.doi.org/10.21236/ada484806.

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Kommepalli, H., A. Hirsh, C. Rahn, and S. Tadigadapa. High Performance Piezoelectric Airframes for Nano Air Vehicles. Fort Belvoir, VA: Defense Technical Information Center, June 2008. http://dx.doi.org/10.21236/ada485469.

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Rahn, Christopher D., and Srinivas A. Tadigadapa. High Performance Piezoelectric Actuators and Wings for Nano Air Vehicles. Fort Belvoir, VA: Defense Technical Information Center, August 2012. http://dx.doi.org/10.21236/ada567097.

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Near, Craig D. Flexible Fabrication of High Performance Piezoelectric Actuators by Injection Molding. Fort Belvoir, VA: Defense Technical Information Center, November 1999. http://dx.doi.org/10.21236/ada379116.

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Thompson, Stephen C., Richard J. Meyer, and Douglas C. Markley. Performance of Transducers with Segmented Piezoelectric Stacks using Materials with High Electromechanical Coupling Coefficient. Fort Belvoir, VA: Defense Technical Information Center, December 2012. http://dx.doi.org/10.21236/ada576511.

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Kirchstetter, Thomas, and Ethem Aktakka. High-Performance Piezoelectric MEMS Manufacturing & Application on Micro Power Generators (CRADA Final Report). Office of Scientific and Technical Information (OSTI), August 2021. http://dx.doi.org/10.2172/1874029.

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Jones, Gary D., Roger Alan Assink, Tim Richard Dargaville, Pavel Mikhail Chaplya, Roger Lee Clough, Julie M. Elliott, Jeffrey W. Martin, Daniel Michael Mowery, and Mathew Christopher Celina. Characterization, performance and optimization of PVDF as a piezoelectric film for advanced space mirror concepts. Office of Scientific and Technical Information (OSTI), November 2005. http://dx.doi.org/10.2172/876343.

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Schmidt, V., and G. Tuthill. NMR and optical studies of piezoelectric polymers. Final performance report, April 1, 1993--March 31, 1994. Office of Scientific and Technical Information (OSTI), December 1995. http://dx.doi.org/10.2172/10102383.

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Roach, Dennis. Performance Evaluation of Comparative Vacuum Monitoring and Piezoelectric Sensors for Structural Health Monitoring of Rotorcraft Components. Office of Scientific and Technical Information (OSTI), July 2021. http://dx.doi.org/10.2172/1809128.

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